15589c42fa
Mostly this is intended to resolve the trace() badness once and for all. Obtained from: ftp://dickey.his.com/ncurses/
2383 lines
67 KiB
Plaintext
2383 lines
67 KiB
Plaintext
dnl***************************************************************************
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dnl Copyright (c) 1998-2000 Free Software Foundation, Inc. *
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dnl *
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dnl Permission is hereby granted, free of charge, to any person obtaining a *
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dnl copy of this software and associated documentation files (the *
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dnl "Software"), to deal in the Software without restriction, including *
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dnl without limitation the rights to use, copy, modify, merge, publish, *
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dnl distribute, distribute with modifications, sublicense, and/or sell *
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dnl copies of the Software, and to permit persons to whom the Software is *
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dnl furnished to do so, subject to the following conditions: *
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dnl *
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dnl The above copyright notice and this permission notice shall be included *
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dnl in all copies or substantial portions of the Software. *
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dnl *
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dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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dnl *
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dnl Except as contained in this notice, the name(s) of the above copyright *
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dnl holders shall not be used in advertising or otherwise to promote the *
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dnl sale, use or other dealings in this Software without prior written *
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dnl authorization. *
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dnl***************************************************************************
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dnl
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dnl Author: Thomas E. Dickey <dickey@clark.net> 1996,1997,1998
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dnl
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dnl $Id: aclocal.m4,v 1.206 2000/07/01 20:37:36 tom Exp $
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dnl Macros used in NCURSES auto-configuration script.
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dnl
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dnl ---------------------------------------------------------------------------
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dnl ---------------------------------------------------------------------------
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dnl Construct the list of include-options for the C programs in the Ada95
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dnl binding.
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AC_DEFUN([CF_ADA_INCLUDE_DIRS],
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[
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ACPPFLAGS="$ACPPFLAGS -I. -I../../include"
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if test "$srcdir" != "."; then
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ACPPFLAGS="$ACPPFLAGS -I\$(srcdir)/../../include"
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fi
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if test -z "$GCC"; then
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ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
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elif test "$includedir" != "/usr/include"; then
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if test "$includedir" = '${prefix}/include' ; then
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if test $prefix != /usr ; then
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ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
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fi
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else
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ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
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fi
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fi
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AC_SUBST(ACPPFLAGS)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
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dnl in the sharutils 4.2 distribution.
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AC_DEFUN([CF_ANSI_CC_CHECK],
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[
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AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
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AC_CACHE_VAL(cf_cv_ansi_cc,[
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cf_cv_ansi_cc=no
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cf_save_CFLAGS="$CFLAGS"
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# Don't try gcc -ansi; that turns off useful extensions and
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# breaks some systems' header files.
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# AIX -qlanglvl=ansi
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# Ultrix and OSF/1 -std1
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# HP-UX -Aa -D_HPUX_SOURCE
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# SVR4 -Xc
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# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
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for cf_arg in "-DCC_HAS_PROTOS" \
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"" \
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-qlanglvl=ansi \
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-std1 \
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-Ae \
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"-Aa -D_HPUX_SOURCE" \
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-Xc
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do
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CFLAGS="$cf_save_CFLAGS $cf_arg"
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AC_TRY_COMPILE(
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[
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#ifndef CC_HAS_PROTOS
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#if !defined(__STDC__) || (__STDC__ != 1)
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choke me
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#endif
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#endif
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],[
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int test (int i, double x);
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struct s1 {int (*f) (int a);};
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struct s2 {int (*f) (double a);};],
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[cf_cv_ansi_cc="$cf_arg"; break])
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done
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CFLAGS="$cf_save_CFLAGS"
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])
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AC_MSG_RESULT($cf_cv_ansi_cc)
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if test "$cf_cv_ansi_cc" != "no"; then
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if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
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CFLAGS="$CFLAGS $cf_cv_ansi_cc"
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else
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AC_DEFINE(CC_HAS_PROTOS)
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fi
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl For programs that must use an ANSI compiler, obtain compiler options that
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dnl will make it recognize prototypes. We'll do preprocessor checks in other
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dnl macros, since tools such as unproto can fake prototypes, but only part of
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dnl the preprocessor.
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AC_DEFUN([CF_ANSI_CC_REQD],
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[AC_REQUIRE([CF_ANSI_CC_CHECK])
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if test "$cf_cv_ansi_cc" = "no"; then
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AC_ERROR(
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[Your compiler does not appear to recognize prototypes.
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You have the following choices:
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a. adjust your compiler options
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b. get an up-to-date compiler
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c. use a wrapper such as unproto])
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Test if 'bool' is a builtin type in the configured C++ compiler. Some
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dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
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dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
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dnl
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dnl Treat the configuration-variable specially here, since we're directly
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dnl substituting its value (i.e., 1/0).
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AC_DEFUN([CF_BOOL_DECL],
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[
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AC_MSG_CHECKING([for builtin ifelse(AC_LANG,[C],$CC,$CXX) bool type])
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AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
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AC_TRY_COMPILE([
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#include <stdio.h>
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#include <sys/types.h>
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],[bool x = false],
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[ifelse($1,,cf_cv_builtin_bool,[$1])=1],
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[ifelse($1,,cf_cv_builtin_bool,[$1])=0])
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])
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if test $ifelse($1,,cf_cv_builtin_bool,[$1]) = 1
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then AC_MSG_RESULT(yes)
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else AC_MSG_RESULT(no)
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
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dnl Don't bother looking for bool.h, since it's been deprecated.
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AC_DEFUN([CF_BOOL_SIZE],
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[
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AC_MSG_CHECKING([for size of ifelse(AC_LANG,[C],$CC,$CXX) bool])
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AC_CACHE_VAL(cf_cv_type_of_bool,[
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rm -f cf_test.out
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AC_TRY_RUN([
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#include <stdlib.h>
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#include <stdio.h>
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#if HAVE_GXX_BUILTIN_H
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#include <g++/builtin.h>
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#elif HAVE_GPP_BUILTIN_H
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#include <gpp/builtin.h>
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#elif HAVE_BUILTIN_H
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#include <builtin.h>
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#endif
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main()
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{
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FILE *fp = fopen("cf_test.out", "w");
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if (fp != 0) {
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bool x = true;
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if ((bool)(-x) >= 0)
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fputs("unsigned ", fp);
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if (sizeof(x) == sizeof(int)) fputs("int", fp);
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else if (sizeof(x) == sizeof(char)) fputs("char", fp);
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else if (sizeof(x) == sizeof(short))fputs("short",fp);
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else if (sizeof(x) == sizeof(long)) fputs("long", fp);
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fclose(fp);
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}
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exit(0);
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}
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],
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[cf_cv_type_of_bool=`cat cf_test.out`],
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[cf_cv_type_of_bool=unknown],
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[cf_cv_type_of_bool=unknown])
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])
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rm -f cf_test.out
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AC_MSG_RESULT($cf_cv_type_of_bool)
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if test "$cf_cv_type_of_bool" = unknown ; then
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AC_MSG_WARN(Assuming unsigned for type of bool)
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cf_cv_type_of_bool=unsigned
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Determine the default configuration into which we'll install ncurses. This
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dnl can be overridden by the user's command-line options. There's two items to
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dnl look for:
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dnl 1. the prefix (e.g., /usr)
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dnl 2. the header files (e.g., /usr/include/ncurses)
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dnl We'll look for a previous installation of ncurses and use the same defaults.
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dnl
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dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
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dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
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dnl programs from a vendor's.
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AC_DEFUN([CF_CFG_DEFAULTS],
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[
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AC_MSG_CHECKING(for prefix)
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if test "x$prefix" = "xNONE" ; then
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case "$cf_cv_system_name" in
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# non-vendor systems don't have a conflict
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openbsd*|netbsd*|freebsd*|linux*)
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prefix=/usr
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;;
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*) prefix=$ac_default_prefix
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;;
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esac
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fi
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AC_MSG_RESULT($prefix)
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if test "x$prefix" = "xNONE" ; then
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AC_MSG_CHECKING(for default include-directory)
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test -n "$verbose" && echo 1>&AC_FD_MSG
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for cf_symbol in \
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$includedir \
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$includedir/ncurses \
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$prefix/include \
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$prefix/include/ncurses \
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/usr/local/include \
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/usr/local/include/ncurses \
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/usr/include \
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/usr/include/ncurses
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do
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cf_dir=`eval echo $cf_symbol`
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if test -f $cf_dir/curses.h ; then
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if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
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includedir="$cf_symbol"
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test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
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break
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fi
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fi
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test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
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done
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AC_MSG_RESULT($includedir)
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Check if the terminal-capability database functions are available. If not,
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dnl ncurses has a much-reduced version.
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AC_DEFUN([CF_CGETENT],[
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AC_MSG_CHECKING(for terminal-capability database functions)
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AC_CACHE_VAL(cf_cv_cgetent,[
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AC_TRY_LINK([
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#include <stdlib.h>],[
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char temp[128];
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char *buf = temp;
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char *db_array = temp;
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cgetent(&buf, /* int *, */ &db_array, "vt100");
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cgetcap(buf, "tc", '=');
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cgetmatch(buf, "tc");
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],
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[cf_cv_cgetent=yes],
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[cf_cv_cgetent=no])
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])
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AC_MSG_RESULT($cf_cv_cgetent)
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test $cf_cv_cgetent = yes && AC_DEFINE(HAVE_BSD_CGETENT)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Check if we're accidentally using a cache from a different machine.
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dnl Derive the system name, as a check for reusing the autoconf cache.
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dnl
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dnl If we've packaged config.guess and config.sub, run that (since it does a
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dnl better job than uname).
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AC_DEFUN([CF_CHECK_CACHE],
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[
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if test -f $srcdir/config.guess ; then
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AC_CANONICAL_HOST
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system_name="$host_os"
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else
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system_name="`(uname -s -r) 2>/dev/null`"
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if test -z "$system_name" ; then
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system_name="`(hostname) 2>/dev/null`"
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fi
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fi
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test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
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AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
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test -z "$system_name" && system_name="$cf_cv_system_name"
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test -n "$cf_cv_system_name" && AC_MSG_RESULT("Configuring for $cf_cv_system_name")
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if test ".$system_name" != ".$cf_cv_system_name" ; then
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AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
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AC_ERROR("Please remove config.cache and try again.")
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
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dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it
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dnl ourselves.
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dnl
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dnl (I would use AC_CACHE_CHECK here, but it will not work when called in a
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dnl loop from CF_SYS_ERRLIST).
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dnl
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dnl $1 = the name to check
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AC_DEFUN([CF_CHECK_ERRNO],
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[
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AC_MSG_CHECKING(if external $1 is declared)
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AC_CACHE_VAL(cf_cv_dcl_$1,[
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AC_TRY_COMPILE([
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#include <stdio.h>
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#include <sys/types.h>
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#include <errno.h> ],
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[long x = (long) $1],
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[eval 'cf_cv_dcl_'$1'=yes'],
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[eval 'cf_cv_dcl_'$1'=no'])
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])
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eval 'cf_result=$cf_cv_dcl_'$1
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AC_MSG_RESULT($cf_result)
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if test "$cf_result" = no ; then
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eval 'cf_result=DECL_'$1
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CF_UPPER(cf_result,$cf_result)
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AC_DEFINE_UNQUOTED($cf_result)
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fi
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# It's possible (for near-UNIX clones) that the data doesn't exist
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CF_CHECK_EXTERN_DATA($1,int)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Check for existence of external data in the current set of libraries. If
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dnl we can modify it, it's real enough.
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dnl $1 = the name to check
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dnl $2 = its type
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AC_DEFUN([CF_CHECK_EXTERN_DATA],
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[
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AC_MSG_CHECKING(if external $1 exists)
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AC_CACHE_VAL(cf_cv_have_$1,[
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AC_TRY_LINK([
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#undef $1
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extern $2 $1;
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],
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[$1 = 2],
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[eval 'cf_cv_have_'$1'=yes'],
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|
[eval 'cf_cv_have_'$1'=no'])])
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eval 'cf_result=$cf_cv_have_'$1
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AC_MSG_RESULT($cf_result)
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|
|
if test "$cf_result" = yes ; then
|
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eval 'cf_result=HAVE_'$1
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CF_UPPER(cf_result,$cf_result)
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AC_DEFINE_UNQUOTED($cf_result)
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fi
|
|
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check if the C++ compiler accepts duplicate parameter initialization. This
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dnl is a late feature for the standard and is not in some recent compilers
|
|
dnl (1999/9/11).
|
|
AC_DEFUN([CF_CPP_PARAM_INIT],
|
|
[
|
|
if test -n "$CXX" ; then
|
|
AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
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|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
class TEST {
|
|
private:
|
|
int value;
|
|
public:
|
|
TEST(int x = 1);
|
|
~TEST();
|
|
};
|
|
|
|
TEST::TEST(int x = 1) // some compilers do not like second initializer
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|
{
|
|
value = x;
|
|
}
|
|
void main() { }
|
|
],
|
|
[cf_cv_cpp_param_init=yes],
|
|
[cf_cv_cpp_param_init=no],
|
|
[cf_cv_cpp_param_init=unknown])
|
|
])
|
|
fi
|
|
test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
AC_DEFUN([CF_DIRS_TO_MAKE],
|
|
[
|
|
DIRS_TO_MAKE="lib"
|
|
for cf_item in $cf_list_models
|
|
do
|
|
CF_OBJ_SUBDIR($cf_item,cf_subdir)
|
|
DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
|
|
done
|
|
for cf_dir in $DIRS_TO_MAKE
|
|
do
|
|
test ! -d $cf_dir && mkdir $cf_dir
|
|
done
|
|
AC_SUBST(DIRS_TO_MAKE)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check if 'errno' is declared in <errno.h>
|
|
AC_DEFUN([CF_ERRNO],
|
|
[
|
|
CF_CHECK_ERRNO(errno)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
|
|
dnl math.h and builtin.h, only for ncurses
|
|
AC_DEFUN([CF_ETIP_DEFINES],
|
|
[
|
|
AC_MSG_CHECKING(for special defines needed for etip.h)
|
|
cf_save_CXXFLAGS="$CXXFLAGS"
|
|
cf_result="none"
|
|
for cf_math in "" MATH_H
|
|
do
|
|
for cf_excp in "" MATH_EXCEPTION
|
|
do
|
|
CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu"
|
|
test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
|
|
test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
|
|
AC_TRY_COMPILE([
|
|
#include <etip.h.in>
|
|
],[],[
|
|
test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
|
|
test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
|
|
cf_result="$cf_math $cf_excp"
|
|
break
|
|
],[])
|
|
done
|
|
done
|
|
AC_MSG_RESULT($cf_result)
|
|
CXXFLAGS="$cf_save_CXXFLAGS"
|
|
])
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check for memmove, or a bcopy that can handle overlapping copy. If neither
|
|
dnl is found, add our own version of memmove to the list of objects.
|
|
AC_DEFUN([CF_FUNC_MEMMOVE],
|
|
[
|
|
AC_CHECK_FUNC(memmove,,[
|
|
AC_CHECK_FUNC(bcopy,[
|
|
AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
|
|
AC_TRY_RUN([
|
|
int main() {
|
|
static char data[] = "abcdefghijklmnopqrstuwwxyz";
|
|
char temp[40];
|
|
bcopy(data, temp, sizeof(data));
|
|
bcopy(temp+10, temp, 15);
|
|
bcopy(temp+5, temp+15, 10);
|
|
exit (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
|
|
}
|
|
],
|
|
[cf_cv_good_bcopy=yes],
|
|
[cf_cv_good_bcopy=no],
|
|
[cf_cv_good_bcopy=unknown])
|
|
])
|
|
],[cf_cv_good_bcopy=no])
|
|
if test $cf_cv_good_bcopy = yes ; then
|
|
AC_DEFINE(USE_OK_BCOPY)
|
|
else
|
|
AC_DEFINE(USE_MY_MEMMOVE)
|
|
fi
|
|
])])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl See if the poll function really works. Some platforms have poll(), but
|
|
dnl it does not work for terminals or files.
|
|
AC_DEFUN([CF_FUNC_POLL],[
|
|
AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
|
|
AC_TRY_RUN([
|
|
#include <stdio.h>
|
|
#ifdef HAVE_POLL_H
|
|
#include <poll.h>
|
|
#else
|
|
#include <sys/poll.h>
|
|
#endif
|
|
int main() {
|
|
struct pollfd myfds;
|
|
int ret;
|
|
|
|
myfds.fd = 0;
|
|
myfds.events = POLLIN;
|
|
|
|
ret = poll(&myfds, 1, 100);
|
|
exit(ret != 0);
|
|
}],
|
|
[cf_cv_working_poll=yes],
|
|
[cf_cv_working_poll=no],
|
|
[cf_cv_working_poll=unknown])])
|
|
test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Test for availability of useful gcc __attribute__ directives to quiet
|
|
dnl compiler warnings. Though useful, not all are supported -- and contrary
|
|
dnl to documentation, unrecognized directives cause older compilers to barf.
|
|
AC_DEFUN([CF_GCC_ATTRIBUTES],
|
|
[
|
|
if test -n "$GCC"
|
|
then
|
|
cat > conftest.i <<EOF
|
|
#ifndef GCC_PRINTF
|
|
#define GCC_PRINTF 0
|
|
#endif
|
|
#ifndef GCC_SCANF
|
|
#define GCC_SCANF 0
|
|
#endif
|
|
#ifndef GCC_NORETURN
|
|
#define GCC_NORETURN /* nothing */
|
|
#endif
|
|
#ifndef GCC_UNUSED
|
|
#define GCC_UNUSED /* nothing */
|
|
#endif
|
|
EOF
|
|
if test -n "$GCC"
|
|
then
|
|
AC_CHECKING([for $CC __attribute__ directives])
|
|
changequote(,)dnl
|
|
cat > conftest.$ac_ext <<EOF
|
|
#line __oline__ "configure"
|
|
#include "confdefs.h"
|
|
#include "conftest.h"
|
|
#include "conftest.i"
|
|
#if GCC_PRINTF
|
|
#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
|
|
#else
|
|
#define GCC_PRINTFLIKE(fmt,var) /*nothing*/
|
|
#endif
|
|
#if GCC_SCANF
|
|
#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
|
|
#else
|
|
#define GCC_SCANFLIKE(fmt,var) /*nothing*/
|
|
#endif
|
|
extern void wow(char *,...) GCC_SCANFLIKE(1,2);
|
|
extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
|
|
extern void foo(void) GCC_NORETURN;
|
|
int main(int argc GCC_UNUSED, char *argv[] GCC_UNUSED) { return 0; }
|
|
EOF
|
|
changequote([,])dnl
|
|
for cf_attribute in scanf printf unused noreturn
|
|
do
|
|
CF_UPPER(CF_ATTRIBUTE,$cf_attribute)
|
|
cf_directive="__attribute__(($cf_attribute))"
|
|
echo "checking for $CC $cf_directive" 1>&AC_FD_CC
|
|
case $cf_attribute in
|
|
scanf|printf)
|
|
cat >conftest.h <<EOF
|
|
#define GCC_$CF_ATTRIBUTE 1
|
|
EOF
|
|
;;
|
|
*)
|
|
cat >conftest.h <<EOF
|
|
#define GCC_$CF_ATTRIBUTE $cf_directive
|
|
EOF
|
|
;;
|
|
esac
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
|
|
cat conftest.h >>confdefs.h
|
|
# else
|
|
# sed -e 's/__attr.*/\/*nothing*\//' conftest.h >>confdefs.h
|
|
fi
|
|
done
|
|
else
|
|
fgrep define conftest.i >>confdefs.h
|
|
fi
|
|
rm -rf conftest*
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check if the compiler supports useful warning options. There's a few that
|
|
dnl we don't use, simply because they're too noisy:
|
|
dnl
|
|
dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
|
|
dnl -Wredundant-decls (system headers make this too noisy)
|
|
dnl -Wtraditional (combines too many unrelated messages, only a few useful)
|
|
dnl -Wwrite-strings (too noisy, but should review occasionally)
|
|
dnl -pedantic
|
|
dnl
|
|
AC_DEFUN([CF_GCC_WARNINGS],
|
|
[
|
|
if test -n "$GCC"
|
|
then
|
|
changequote(,)dnl
|
|
cat > conftest.$ac_ext <<EOF
|
|
#line __oline__ "configure"
|
|
int main(int argc, char *argv[]) { return (argv[argc-1] == 0) ; }
|
|
EOF
|
|
changequote([,])dnl
|
|
AC_CHECKING([for $CC warning options])
|
|
cf_save_CFLAGS="$CFLAGS"
|
|
EXTRA_CFLAGS="-W -Wall"
|
|
cf_warn_CONST=""
|
|
test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
|
|
for cf_opt in \
|
|
Wbad-function-cast \
|
|
Wcast-align \
|
|
Wcast-qual \
|
|
Winline \
|
|
Wmissing-declarations \
|
|
Wmissing-prototypes \
|
|
Wnested-externs \
|
|
Wpointer-arith \
|
|
Wshadow \
|
|
Wstrict-prototypes $cf_warn_CONST
|
|
do
|
|
CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
|
|
EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
|
|
test "$cf_opt" = Wcast-qual && EXTRA_CFLAGS="$EXTRA_CFLAGS -DXTSTRINGDEFINES"
|
|
fi
|
|
done
|
|
rm -f conftest*
|
|
CFLAGS="$cf_save_CFLAGS"
|
|
fi
|
|
AC_SUBST(EXTRA_CFLAGS)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Verify that a test program compiles and runs with GNAT
|
|
dnl $cf_ada_make is set to the program that compiles/links
|
|
AC_DEFUN([CF_GNAT_TRY_RUN],
|
|
[
|
|
rm -f conftest*
|
|
cat >>conftest.ads <<CF_EOF
|
|
$1
|
|
CF_EOF
|
|
cat >>conftest.adb <<CF_EOF
|
|
$2
|
|
CF_EOF
|
|
if ( $cf_ada_make conftest 1>&AC_FD_CC 2>&1 ) ; then
|
|
if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
|
|
ifelse($3,, :,[ $3])
|
|
ifelse($4,,,[ else
|
|
$4])
|
|
fi
|
|
ifelse($4,,,[else
|
|
$4])
|
|
fi
|
|
rm -f conftest*
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Verify Version of GNAT.
|
|
AC_DEFUN([CF_GNAT_VERSION],
|
|
[
|
|
changequote(<<, >>)dnl
|
|
cf_cv_gnat_version=`$cf_ada_make -v 2>&1 | grep '[0-9].[0-9][0-9]*' |\
|
|
sed -e 's/[^0-9 \.]//g' | $AWK '{print $<<1>>;}'`
|
|
case $cf_cv_gnat_version in
|
|
3.1[1-9]*|3.[2-9]*|[4-9].*)
|
|
cf_cv_prog_gnat_correct=yes
|
|
;;
|
|
*) echo Unsupported GNAT version $cf_cv_gnat_version. Required is 3.11 or better. Disabling Ada95 binding.
|
|
cf_cv_prog_gnat_correct=no
|
|
;;
|
|
esac
|
|
case $cf_cv_gnat_version in
|
|
3.1*|[4-9].*)
|
|
cf_compile_generics=generics
|
|
cf_generic_objects="\$(GENOBJS)"
|
|
;;
|
|
*) cf_compile_generics=
|
|
cf_generic_objects=
|
|
;;
|
|
esac
|
|
changequote([, ])dnl
|
|
])
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl If we're trying to use g++, test if libg++ is installed (a rather common
|
|
dnl problem :-). If we have the compiler but no library, we'll be able to
|
|
dnl configure, but won't be able to build the c++ demo program.
|
|
AC_DEFUN([CF_GPP_LIBRARY],
|
|
[
|
|
cf_cxx_library=unknown
|
|
case $cf_cv_system_name in #(vi
|
|
os2*) #(vi
|
|
cf_gpp_libname=gpp
|
|
;;
|
|
*)
|
|
cf_gpp_libname=g++
|
|
;;
|
|
esac
|
|
if test $ac_cv_prog_gxx = yes; then
|
|
AC_MSG_CHECKING([for lib$cf_gpp_libname])
|
|
cf_save="$LIBS"
|
|
LIBS="$LIBS -l$cf_gpp_libname"
|
|
AC_TRY_LINK([
|
|
#include <$cf_gpp_libname/builtin.h>
|
|
],
|
|
[two_arg_error_handler_t foo2 = lib_error_handler],
|
|
[cf_cxx_library=yes
|
|
CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
|
|
if test "$cf_gpp_libname" = cpp ; then
|
|
AC_DEFINE(HAVE_GPP_BUILTIN_H)
|
|
else
|
|
AC_DEFINE(HAVE_GXX_BUILTIN_H)
|
|
fi],
|
|
[AC_TRY_LINK([
|
|
#include <builtin.h>
|
|
],
|
|
[two_arg_error_handler_t foo2 = lib_error_handler],
|
|
[cf_cxx_library=yes
|
|
CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
|
|
AC_DEFINE(HAVE_BUILTIN_H)],
|
|
[cf_cxx_library=no])])
|
|
LIBS="$cf_save"
|
|
AC_MSG_RESULT($cf_cxx_library)
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
|
|
AC_DEFUN([CF_HELP_MESSAGE],
|
|
[AC_DIVERT_HELP([$1])dnl
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Construct the list of include-options according to whether we're building
|
|
dnl in the source directory or using '--srcdir=DIR' option. If we're building
|
|
dnl with gcc, don't append the includedir if it happens to be /usr/include,
|
|
dnl since that usually breaks gcc's shadow-includes.
|
|
AC_DEFUN([CF_INCLUDE_DIRS],
|
|
[
|
|
CPPFLAGS="$CPPFLAGS -I. -I../include"
|
|
if test "$srcdir" != "."; then
|
|
CPPFLAGS="$CPPFLAGS -I\$(srcdir)/../include"
|
|
fi
|
|
if test -z "$GCC"; then
|
|
CPPFLAGS="$CPPFLAGS -I\$(includedir)"
|
|
elif test "$includedir" != "/usr/include"; then
|
|
if test "$includedir" = '${prefix}/include' ; then
|
|
if test $prefix != /usr ; then
|
|
CPPFLAGS="$CPPFLAGS -I\$(includedir)"
|
|
fi
|
|
else
|
|
CPPFLAGS="$CPPFLAGS -I\$(includedir)"
|
|
fi
|
|
fi
|
|
AC_SUBST(CPPFLAGS)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check if we have either a function or macro for 'isascii()'.
|
|
AC_DEFUN([CF_ISASCII],
|
|
[
|
|
AC_MSG_CHECKING(for isascii)
|
|
AC_CACHE_VAL(cf_cv_have_isascii,[
|
|
AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
|
|
[cf_cv_have_isascii=yes],
|
|
[cf_cv_have_isascii=no])
|
|
])dnl
|
|
AC_MSG_RESULT($cf_cv_have_isascii)
|
|
test $cf_cv_have_isascii = yes && AC_DEFINE(HAVE_ISASCII)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Compute the library-prefix for the given host system
|
|
dnl $1 = variable to set
|
|
AC_DEFUN([CF_LIB_PREFIX],
|
|
[
|
|
case $cf_cv_system_name in
|
|
os2) LIB_PREFIX='' ;;
|
|
*) LIB_PREFIX='lib' ;;
|
|
esac
|
|
ifelse($1,,,[$1=$LIB_PREFIX])
|
|
AC_SUBST(LIB_PREFIX)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Append definitions and rules for the given models to the subdirectory
|
|
dnl Makefiles, and the recursion rule for the top-level Makefile. If the
|
|
dnl subdirectory is a library-source directory, modify the LIBRARIES list in
|
|
dnl the corresponding makefile to list the models that we'll generate.
|
|
dnl
|
|
dnl For shared libraries, make a list of symbolic links to construct when
|
|
dnl generating each library. The convention used for Linux is the simplest
|
|
dnl one:
|
|
dnl lib<name>.so ->
|
|
dnl lib<name>.so.<major> ->
|
|
dnl lib<name>.so.<maj>.<minor>
|
|
AC_DEFUN([CF_LIB_RULES],
|
|
[
|
|
CF_LIB_PREFIX(cf_prefix)
|
|
AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
|
|
for cf_dir in $SRC_SUBDIRS
|
|
do
|
|
if test -f $srcdir/$cf_dir/modules; then
|
|
|
|
cf_libs_to_make=
|
|
for cf_item in $CF_LIST_MODELS
|
|
do
|
|
CF_LIB_SUFFIX($cf_item,cf_suffix)
|
|
cf_libs_to_make="$cf_libs_to_make ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
|
|
done
|
|
|
|
if test $cf_dir = ncurses ; then
|
|
case "$LIB_SUBSETS" in
|
|
termlib+*) #(vi
|
|
;;
|
|
*) #(vi
|
|
cf_item=`echo $cf_libs_to_make |sed -e s/$LIB_NAME/$TINFO_NAME/g`
|
|
cf_libs_to_make="$cf_item $cf_libs_to_make"
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
sed -e "s@\@LIBS_TO_MAKE\@@$cf_libs_to_make@" \
|
|
$cf_dir/Makefile >$cf_dir/Makefile.out
|
|
mv $cf_dir/Makefile.out $cf_dir/Makefile
|
|
|
|
$AWK -f $srcdir/mk-0th.awk \
|
|
name=$cf_dir \
|
|
$srcdir/$cf_dir/modules >>$cf_dir/Makefile
|
|
|
|
for cf_item in $CF_LIST_MODELS
|
|
do
|
|
echo 'Appending rules for '$cf_item' model ('$cf_dir')'
|
|
CF_UPPER(CF_ITEM,$cf_item)
|
|
CF_LIB_SUFFIX($cf_item,cf_suffix)
|
|
CF_OBJ_SUBDIR($cf_item,cf_subdir)
|
|
|
|
# These dependencies really are for development, not
|
|
# builds, but they are useful in porting, too.
|
|
cf_depend="../include/ncurses_cfg.h"
|
|
if test "$srcdir" = "."; then
|
|
cf_reldir="."
|
|
else
|
|
cf_reldir="\$(srcdir)"
|
|
fi
|
|
|
|
if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
|
|
cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
|
|
elif test -f $srcdir/$cf_dir/curses.priv.h; then
|
|
cf_depend="$cf_depend $cf_reldir/curses.priv.h"
|
|
fi
|
|
|
|
for cf_subset in $LIB_SUBSETS
|
|
do
|
|
$AWK -f $srcdir/mk-1st.awk \
|
|
name=$cf_dir \
|
|
traces=$LIB_TRACING \
|
|
MODEL=$CF_ITEM \
|
|
model=$cf_subdir \
|
|
prefix=$cf_prefix \
|
|
suffix=$cf_suffix \
|
|
subset=$cf_subset \
|
|
DoLinks=$cf_cv_do_symlinks \
|
|
rmSoLocs=$cf_cv_rm_so_locs \
|
|
ldconfig="$LDCONFIG" \
|
|
overwrite=$WITH_OVERWRITE \
|
|
depend="$cf_depend" \
|
|
target="$target" \
|
|
$srcdir/$cf_dir/modules >>$cf_dir/Makefile
|
|
test $cf_dir = ncurses && WITH_OVERWRITE=no
|
|
$AWK -f $srcdir/mk-2nd.awk \
|
|
name=$cf_dir \
|
|
traces=$LIB_TRACING \
|
|
MODEL=$CF_ITEM \
|
|
model=$cf_subdir \
|
|
subset=$cf_subset \
|
|
srcdir=$srcdir \
|
|
echo=$WITH_ECHO \
|
|
$srcdir/$cf_dir/modules >>$cf_dir/Makefile
|
|
done
|
|
done
|
|
fi
|
|
|
|
echo ' cd '$cf_dir' && $(MAKE) $(CF_MFLAGS) [$]@' >>Makefile
|
|
done
|
|
|
|
for cf_dir in $SRC_SUBDIRS
|
|
do
|
|
if test -f $cf_dir/Makefile ; then
|
|
case "$cf_dir" in
|
|
Ada95) #(vi
|
|
echo 'libs \' >> Makefile
|
|
echo 'install.libs \' >> Makefile
|
|
echo 'uninstall.libs ::' >> Makefile
|
|
echo ' cd '$cf_dir' && $(MAKE) $(CF_MFLAGS) [$]@' >> Makefile
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
if test -f $srcdir/$cf_dir/modules; then
|
|
echo >> Makefile
|
|
if test -f $srcdir/$cf_dir/headers; then
|
|
cat >> Makefile <<CF_EOF
|
|
install.includes \\
|
|
uninstall.includes \\
|
|
CF_EOF
|
|
fi
|
|
if test "$cf_dir" != "c++" ; then
|
|
echo 'lint \' >> Makefile
|
|
fi
|
|
cat >> Makefile <<CF_EOF
|
|
libs \\
|
|
lintlib \\
|
|
install.libs \\
|
|
uninstall.libs \\
|
|
install.$cf_dir \\
|
|
uninstall.$cf_dir ::
|
|
cd $cf_dir && \$(MAKE) \$(CF_MFLAGS) \[$]@
|
|
CF_EOF
|
|
elif test -f $srcdir/$cf_dir/headers; then
|
|
cat >> Makefile <<CF_EOF
|
|
|
|
libs \\
|
|
install.libs \\
|
|
uninstall.libs \\
|
|
install.includes \\
|
|
uninstall.includes ::
|
|
cd $cf_dir && \$(MAKE) \$(CF_MFLAGS) \[$]@
|
|
CF_EOF
|
|
fi
|
|
done
|
|
|
|
cat >> Makefile <<CF_EOF
|
|
|
|
install.data \
|
|
uninstall.data ::
|
|
cd misc && \$(MAKE) \$(CF_MFLAGS) \[$]@
|
|
|
|
install.man \
|
|
uninstall.man ::
|
|
cd man && \$(MAKE) \$(CF_MFLAGS) \[$]@
|
|
|
|
distclean ::
|
|
rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
|
|
rm -f headers.sh headers.sed
|
|
rm -rf \$(DIRS_TO_MAKE)
|
|
CF_EOF
|
|
|
|
dnl If we're installing into a subdirectory of /usr/include, etc., we should
|
|
dnl prepend the subdirectory's name to the "#include" paths. It won't hurt
|
|
dnl anything, and will make it more standardized. It's awkward to decide this
|
|
dnl at configuration because of quoting, so we'll simply make all headers
|
|
dnl installed via a script that can do the right thing.
|
|
|
|
rm -f headers.sed headers.sh
|
|
|
|
dnl ( generating this script makes the makefiles a little tidier :-)
|
|
echo creating headers.sh
|
|
cat >headers.sh <<CF_EOF
|
|
#! /bin/sh
|
|
# This shell script is generated by the 'configure' script. It is invoked in a
|
|
# subdirectory of the build tree. It generates a sed-script in the parent
|
|
# directory that is used to adjust includes for header files that reside in a
|
|
# subdirectory of /usr/include, etc.
|
|
PRG=""
|
|
while test \[$]# != 3
|
|
do
|
|
PRG="\$PRG \[$]1"; shift
|
|
done
|
|
DST=\[$]1
|
|
REF=\[$]2
|
|
SRC=\[$]3
|
|
echo installing \$SRC in \$DST
|
|
case \$DST in
|
|
/*/include/*)
|
|
TMPSRC=\${TMPDIR-/tmp}/\`basename \$SRC\`\$\$
|
|
TMPSED=\${TMPDIR-/tmp}/headers.sed\$\$
|
|
END=\`basename \$DST\`
|
|
for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
|
|
do
|
|
NAME=\`basename \$i\`
|
|
echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
|
|
done
|
|
rm -f \$TMPSRC
|
|
sed -f \$TMPSED \$SRC > \$TMPSRC
|
|
eval \$PRG \$TMPSRC \$DST/\$SRC
|
|
rm -f \$TMPSRC \$TMPSED
|
|
;;
|
|
*)
|
|
eval \$PRG \$SRC \$DST
|
|
;;
|
|
esac
|
|
CF_EOF
|
|
|
|
chmod 0755 headers.sh
|
|
|
|
for cf_dir in $SRC_SUBDIRS
|
|
do
|
|
if test -f $srcdir/$cf_dir/headers; then
|
|
cat >>$cf_dir/Makefile <<CF_EOF
|
|
\$(INSTALL_PREFIX)\$(includedir) :
|
|
\$(srcdir)/../mkinstalldirs \[$]@
|
|
|
|
install \\
|
|
install.libs \\
|
|
install.includes :: \$(INSTALL_PREFIX)\$(includedir) \\
|
|
CF_EOF
|
|
j=""
|
|
for i in `cat $srcdir/$cf_dir/headers |fgrep -v "#"`
|
|
do
|
|
test -n "$j" && echo " $j \\" >>$cf_dir/Makefile
|
|
j=$i
|
|
done
|
|
echo " $j" >>$cf_dir/Makefile
|
|
for i in `cat $srcdir/$cf_dir/headers |fgrep -v "#"`
|
|
do
|
|
echo " @ (cd \$(INSTALL_PREFIX)\$(includedir) && rm -f `basename $i`) ; ../headers.sh \$(INSTALL_DATA) \$(INSTALL_PREFIX)\$(includedir) \$(srcdir) $i" >>$cf_dir/Makefile
|
|
test $i = curses.h && echo " @ (cd \$(INSTALL_PREFIX)\$(includedir) && rm -f ncurses.h && \$(LN_S) curses.h ncurses.h)" >>$cf_dir/Makefile
|
|
done
|
|
|
|
cat >>$cf_dir/Makefile <<CF_EOF
|
|
|
|
uninstall \\
|
|
uninstall.libs \\
|
|
uninstall.includes ::
|
|
CF_EOF
|
|
for i in `cat $srcdir/$cf_dir/headers |fgrep -v "#"`
|
|
do
|
|
i=`basename $i`
|
|
echo " -@ (cd \$(INSTALL_PREFIX)\$(includedir) && rm -f $i)" >>$cf_dir/Makefile
|
|
test $i = curses.h && echo " -@ (cd \$(INSTALL_PREFIX)\$(includedir) && rm -f ncurses.h)" >>$cf_dir/Makefile
|
|
done
|
|
fi
|
|
done
|
|
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Compute the library file-suffix from the given model name
|
|
dnl $1 = model name
|
|
dnl $2 = variable to set
|
|
dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
|
|
AC_DEFUN([CF_LIB_SUFFIX],
|
|
[
|
|
AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
|
|
case $1 in
|
|
normal) $2='.a' ;;
|
|
debug) $2='_g.a' ;;
|
|
profile) $2='_p.a' ;;
|
|
shared)
|
|
case $cf_cv_system_name in
|
|
openbsd*|freebsd*)
|
|
$2='.so.$(REL_VERSION)' ;;
|
|
netbsd*)
|
|
if test -f /usr/libexec/ld.elf_so; then
|
|
$2='.so'
|
|
else
|
|
$2='.so.$(REL_VERSION)'
|
|
fi
|
|
;;
|
|
hpux*) $2='.sl' ;;
|
|
*) $2='.so' ;;
|
|
esac
|
|
esac
|
|
test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Compute the string to append to -library from the given model name
|
|
dnl $1 = model name
|
|
dnl $2 = variable to set
|
|
dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
|
|
AC_DEFUN([CF_LIB_TYPE],
|
|
[
|
|
case $1 in
|
|
normal) $2='' ;;
|
|
debug) $2='_g' ;;
|
|
profile) $2='_p' ;;
|
|
shared) $2='' ;;
|
|
esac
|
|
test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
|
|
dnl only data (i.e., no functions), for example NeXT. On those systems we'll
|
|
dnl have to provide wrappers for global tables to ensure they're linked
|
|
dnl properly.
|
|
AC_DEFUN([CF_LINK_DATAONLY],
|
|
[
|
|
AC_MSG_CHECKING([if data-only library module links])
|
|
AC_CACHE_VAL(cf_cv_link_dataonly,[
|
|
rm -f conftest.a
|
|
changequote(,)dnl
|
|
cat >conftest.$ac_ext <<EOF
|
|
#line __oline__ "configure"
|
|
int testdata[3] = { 123, 456, 789 };
|
|
EOF
|
|
changequote([,])dnl
|
|
if AC_TRY_EVAL(ac_compile) ; then
|
|
mv conftest.o data.o && \
|
|
( $AR $AR_OPTS conftest.a data.o ) 2>&5 1>/dev/null
|
|
fi
|
|
rm -f conftest.$ac_ext data.o
|
|
changequote(,)dnl
|
|
cat >conftest.$ac_ext <<EOF
|
|
#line __oline__ "configure"
|
|
int testfunc()
|
|
{
|
|
#if defined(NeXT)
|
|
exit(1); /* I'm told this linker is broken */
|
|
#else
|
|
extern int testdata[3];
|
|
return testdata[0] == 123
|
|
&& testdata[1] == 456
|
|
&& testdata[2] == 789;
|
|
#endif
|
|
}
|
|
EOF
|
|
changequote([,])dnl
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
mv conftest.o func.o && \
|
|
( $AR $AR_OPTS conftest.a func.o ) 2>&5 1>/dev/null
|
|
fi
|
|
rm -f conftest.$ac_ext func.o
|
|
( eval $ac_cv_prog_RANLIB conftest.a ) 2>&5 >/dev/null
|
|
cf_saveLIBS="$LIBS"
|
|
LIBS="conftest.a $LIBS"
|
|
AC_TRY_RUN([
|
|
int main()
|
|
{
|
|
extern int testfunc();
|
|
exit (!testfunc());
|
|
}
|
|
],
|
|
[cf_cv_link_dataonly=yes],
|
|
[cf_cv_link_dataonly=no],
|
|
[cf_cv_link_dataonly=unknown])
|
|
LIBS="$cf_saveLIBS"
|
|
])
|
|
AC_MSG_RESULT($cf_cv_link_dataonly)
|
|
test $cf_cv_link_dataonly = no && AC_DEFINE(BROKEN_LINKER)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Most Unix systems have both link and symlink, a few don't have symlink.
|
|
dnl A few non-Unix systems implement symlink, but not link.
|
|
dnl A few non-systems implement neither (or have nonfunctional versions).
|
|
AC_DEFUN([CF_LINK_FUNCS],
|
|
[
|
|
AC_CHECK_FUNCS( \
|
|
remove \
|
|
unlink )
|
|
|
|
if test "$ac_cv_prog_cc_cross" = yes ; then
|
|
AC_CHECK_FUNCS( \
|
|
link \
|
|
symlink )
|
|
else
|
|
AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
|
|
cf_cv_link_funcs=
|
|
for cf_func in link symlink ; do
|
|
AC_TRY_RUN([
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
int main()
|
|
{
|
|
int fail = 0;
|
|
char *src = "config.log";
|
|
char *dst = "conftest.chk";
|
|
struct stat src_sb;
|
|
struct stat dst_sb;
|
|
|
|
stat(src, &src_sb);
|
|
fail = ($cf_func("config.log", "conftest.chk") < 0)
|
|
|| (stat(dst, &dst_sb) < 0)
|
|
|| (dst_sb.st_mtime != src_sb.st_mtime);
|
|
#ifdef HAVE_UNLINK
|
|
unlink(dst);
|
|
#else
|
|
remove(dst);
|
|
#endif
|
|
exit (fail);
|
|
}
|
|
],[
|
|
cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
|
|
eval 'ac_cv_func_'$cf_func'=yes'
|
|
CF_UPPER(cf_FUNC,$cf_func)
|
|
AC_DEFINE_UNQUOTED(HAVE_$cf_FUNC)],[
|
|
eval 'ac_cv_func_'$cf_func'=no'],[
|
|
eval 'ac_cv_func_'$cf_func'=error'])
|
|
done
|
|
test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
|
|
])
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Some 'make' programs support $(MAKEFLAGS), some $(MFLAGS), to pass 'make'
|
|
dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
|
|
dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
|
|
dnl $(MAKEFLAGS) variable incompatible because it adds the assignments :-)
|
|
AC_DEFUN([CF_MAKEFLAGS],
|
|
[
|
|
AC_MSG_CHECKING([for makeflags variable])
|
|
AC_CACHE_VAL(cf_cv_makeflags,[
|
|
cf_cv_makeflags=''
|
|
for cf_option in '-$(MAKEFLAGS)' '$(MFLAGS)'
|
|
do
|
|
cat >cf_makeflags.tmp <<CF_EOF
|
|
all :
|
|
@ echo '.$cf_option'
|
|
CF_EOF
|
|
cf_result=`${MAKE-make} -k -f cf_makeflags.tmp 2>/dev/null`
|
|
case "$cf_result" in
|
|
.*k)
|
|
cf_result=`${MAKE-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
|
|
case "$cf_result" in
|
|
.*CC=*) cf_cv_makeflags=
|
|
;;
|
|
*) cf_cv_makeflags=$cf_option
|
|
;;
|
|
esac
|
|
break
|
|
;;
|
|
*) echo no match "$cf_result"
|
|
;;
|
|
esac
|
|
done
|
|
rm -f cf_makeflags.tmp])
|
|
AC_MSG_RESULT($cf_cv_makeflags)
|
|
AC_SUBST(cf_cv_makeflags)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Option to allow user to override automatic configuration of manpage format.
|
|
dnl There are several special cases.
|
|
AC_DEFUN([CF_MANPAGE_FORMAT],
|
|
[ AC_MSG_CHECKING(format of man-pages)
|
|
|
|
AC_ARG_WITH(manpage-format,
|
|
[ --with-manpage-format specify manpage-format: gzip/compress/BSDI/normal and
|
|
optionally formatted, e.g., gzip,formatted],
|
|
[cf_manpage_form=$withval],
|
|
[cf_manpage_form=unknown])
|
|
|
|
case ".$cf_manpage_form" in
|
|
.gzip|.compress|.BSDI|.normal|.formatted) # (vi
|
|
;;
|
|
.unknown|.) # (vi
|
|
if test -z "$MANPATH" ; then
|
|
MANPATH="/usr/man:/usr/share/man"
|
|
fi
|
|
# look for the 'date' man-page (it's most likely to be installed!)
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
|
|
cf_manpage_form=unknown
|
|
for cf_dir in $MANPATH; do
|
|
test -z "$cf_dir" && cf_dir=/usr/man
|
|
changequote({{,}})dnl
|
|
for cf_name in $cf_dir/*/date.[01]* $cf_dir/*/date
|
|
changequote([,])dnl
|
|
do
|
|
cf_test=`echo $cf_name | sed -e 's/*//'`
|
|
if test "x$cf_test" = "x$cf_name" ; then
|
|
case "$cf_name" in
|
|
*.gz) cf_manpage_form=gzip;;
|
|
*.Z) cf_manpage_form=compress;;
|
|
*.0) cf_manpage_form=BSDI,formatted;;
|
|
*) cf_manpage_form=normal;;
|
|
esac
|
|
break
|
|
fi
|
|
done
|
|
if test "$cf_manpage_form" != "unknown" ; then
|
|
break
|
|
fi
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
;;
|
|
.*) # (vi
|
|
AC_MSG_WARN(Unexpected manpage-format)
|
|
;;
|
|
esac
|
|
|
|
AC_MSG_RESULT($cf_manpage_form)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl The Debian people have their own naming convention for manpages. This
|
|
dnl option lets us override the name of the file containing renaming, or
|
|
dnl disable it altogether.
|
|
AC_DEFUN([CF_MANPAGE_RENAMES],
|
|
[
|
|
AC_MSG_CHECKING(for manpage renaming)
|
|
|
|
AC_ARG_WITH(manpage-renames,
|
|
[ --with-manpage-renames specify manpage-renaming],
|
|
[cf_manpage_renames=$withval],
|
|
[cf_manpage_renames=yes])
|
|
|
|
case ".$cf_manpage_renames" in #(vi
|
|
.no) #(vi
|
|
;;
|
|
.|.yes)
|
|
# Debian 'man' program?
|
|
if test -f /etc/debian_version ; then
|
|
cf_manpage_renames=`cd $srcdir && pwd`/man/man_db.renames
|
|
else
|
|
cf_manpage_renames=no
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
if test "$cf_manpage_renames" != no ; then
|
|
if test ! -f $cf_manpage_renames ; then
|
|
AC_MSG_ERROR(not a filename: $cf_manpage_renames)
|
|
fi
|
|
|
|
test ! -d man && mkdir man
|
|
|
|
# Construct a sed-script to perform renaming within man-pages
|
|
if test -n "$cf_manpage_renames" ; then
|
|
test ! -d man && mkdir man
|
|
$srcdir/man/make_sed.sh $cf_manpage_renames >man/edit_man.sed
|
|
fi
|
|
fi
|
|
|
|
AC_MSG_RESULT($cf_manpage_renames)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Some people expect each tool to make all aliases for manpages in the
|
|
dnl man-directory. This accommodates the older, less-capable implementations
|
|
dnl of 'man', and is optional.
|
|
AC_DEFUN([CF_MANPAGE_SYMLINKS],
|
|
[
|
|
AC_MSG_CHECKING(for manpage symlinks)
|
|
|
|
AC_ARG_WITH(manpage-symlinks,
|
|
[ --with-manpage-symlinks specify manpage-symlinks],
|
|
[cf_manpage_symlinks=$withval],
|
|
[cf_manpage_symlinks=yes])
|
|
|
|
AC_MSG_RESULT($cf_manpage_symlinks)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Try to determine if the man-pages on the system are compressed, and if
|
|
dnl so, what format is used. Use this information to construct a script that
|
|
dnl will install man-pages.
|
|
AC_DEFUN([CF_MAN_PAGES],
|
|
[
|
|
CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:)
|
|
CF_MANPAGE_FORMAT
|
|
CF_MANPAGE_RENAMES
|
|
CF_MANPAGE_SYMLINKS
|
|
|
|
if test "$prefix" = "NONE" ; then
|
|
cf_prefix="$ac_default_prefix"
|
|
else
|
|
cf_prefix="$prefix"
|
|
fi
|
|
|
|
case "$cf_manpage_form" in # (vi
|
|
*formatted*) # (vi
|
|
cf_subdir='$mandir/cat'
|
|
cf_format=yes
|
|
;;
|
|
*)
|
|
cf_subdir='$mandir/man'
|
|
cf_format=no
|
|
;;
|
|
esac
|
|
|
|
test ! -d man && mkdir man
|
|
cat >man/edit_man.sh <<CF_EOF
|
|
changequote({{,}})dnl
|
|
#! /bin/sh
|
|
# this script is generated by the configure-script
|
|
prefix="$cf_prefix"
|
|
datadir="$datadir"
|
|
MKDIRS="`cd $srcdir && pwd`/mkinstalldirs"
|
|
INSTALL="$INSTALL"
|
|
INSTALL_DATA="$INSTALL_DATA"
|
|
|
|
TMP=\${TMPDIR-/tmp}/man\$\$
|
|
trap "rm -f \$TMP" 0 1 2 5 15
|
|
|
|
verb=\{{$}}1
|
|
shift
|
|
|
|
mandir=\{{$}}1
|
|
shift
|
|
|
|
srcdir=\{{$}}1
|
|
shift
|
|
|
|
for i in \{{$}}* ; do
|
|
case \$i in #(vi
|
|
*.orig|*.rej) ;; #(vi
|
|
*.[0-9]*)
|
|
section=\`expr "\$i" : '.*\\.\\([0-9]\\)[xm]*'\`;
|
|
if test \$verb = installing ; then
|
|
if test ! -d $cf_subdir\${section} ; then
|
|
\$MKDIRS $cf_subdir\$section
|
|
fi
|
|
fi
|
|
aliases=
|
|
source=\`basename \$i\`
|
|
CF_EOF
|
|
if test "$cf_manpage_symlinks" = yes ; then
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
aliases=\`sed -f \$srcdir/manlinks.sed \$source | sort -u\`
|
|
CF_EOF
|
|
fi
|
|
if test "$cf_manpage_renames" = no ; then
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
target=$cf_subdir\${section}/\$source
|
|
sed -e "s,@DATADIR@,\$datadir," < \$i >\$TMP
|
|
CF_EOF
|
|
else
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
target=\`grep "^\$source" $cf_manpage_renames | $AWK '{print \{{$}}2}'\`
|
|
if test -z "\$target" ; then
|
|
echo '? missing rename for '\$source
|
|
target="\$source"
|
|
fi
|
|
target="$cf_subdir\$section/\$target"
|
|
test \$verb = installing && sed -e "s,@DATADIR@,\$datadir," < \$i | sed -f edit_man.sed >\$TMP
|
|
CF_EOF
|
|
fi
|
|
if test $cf_format = yes ; then
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
nroff -man \$TMP >\$TMP.out
|
|
mv \$TMP.out \$TMP
|
|
CF_EOF
|
|
fi
|
|
case "$cf_manpage_form" in #(vi
|
|
*compress*) #(vi
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
if test \$verb = installing ; then
|
|
if ( compress -f \$TMP )
|
|
then
|
|
mv \$TMP.Z \$TMP
|
|
fi
|
|
fi
|
|
target="\$target.Z"
|
|
CF_EOF
|
|
;;
|
|
*gzip*) #(vi
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
if test \$verb = installing ; then
|
|
if ( gzip -f \$TMP )
|
|
then
|
|
mv \$TMP.gz \$TMP
|
|
fi
|
|
fi
|
|
target="\$target.gz"
|
|
CF_EOF
|
|
;;
|
|
*BSDI*)
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
# BSDI installs only .0 suffixes in the cat directories
|
|
target="\`echo \$target|sed -e 's/\.[1-9]\+.\?/.0/'\`"
|
|
CF_EOF
|
|
;;
|
|
esac
|
|
cat >>man/edit_man.sh <<CF_EOF
|
|
echo \$verb \$target
|
|
suffix=\`basename \$target | sed -e 's/^[^.]*//'\`
|
|
if test \$verb = installing ; then
|
|
\$INSTALL_DATA \$TMP \$target
|
|
test -n "\$aliases" && (
|
|
cd $cf_subdir\${section} && (
|
|
target=\`basename \$target\`
|
|
for cf_alias in \$aliases
|
|
do
|
|
if test -f \$cf_alias\${suffix} ; then
|
|
if ( cmp -s \$target \$cf_alias\${suffix} )
|
|
then
|
|
:
|
|
else
|
|
echo .. \$verb alias \$cf_alias\${suffix}
|
|
rm -f \$cf_alias\${suffix}
|
|
$LN_S \$target \$cf_alias\${suffix}
|
|
fi
|
|
else
|
|
echo .. \$verb alias \$cf_alias\${suffix}
|
|
rm -f \$cf_alias\${suffix}
|
|
$LN_S \$target \$cf_alias\${suffix}
|
|
fi
|
|
done
|
|
)
|
|
)
|
|
else
|
|
rm -f \$target
|
|
test -n "\$aliases" && (
|
|
cd $cf_subdir\${section} && (
|
|
for cf_alias in \$aliases
|
|
do
|
|
echo .. \$verb alias \$cf_alias\${suffix}
|
|
rm -f \$cf_alias\${suffix}
|
|
done
|
|
)
|
|
)
|
|
fi
|
|
;;
|
|
esac
|
|
done
|
|
exit 0
|
|
CF_EOF
|
|
changequote([,])dnl
|
|
chmod 755 man/edit_man.sh
|
|
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Checks for libraries. At least one UNIX system, Apple Macintosh
|
|
dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler
|
|
dnl AC_CHECK_LIB(m,sin), because that fails for C++.
|
|
AC_DEFUN([CF_MATH_LIB],
|
|
[
|
|
AC_CACHE_CHECK(if -lm needed for math functions,
|
|
cf_cv_need_libm,[
|
|
AC_TRY_LINK([
|
|
#include <stdio.h>
|
|
#include <math.h>
|
|
],
|
|
[double x = rand(); printf("result = %g\n", ]ifelse($2,,sin(x),$2)[)],
|
|
[cf_cv_need_libm=no],
|
|
[cf_cv_need_libm=yes])])
|
|
if test "$cf_cv_need_libm" = yes
|
|
then
|
|
ifelse($1,,[
|
|
LIBS="$LIBS -lm"
|
|
],[$1=-lm])
|
|
fi
|
|
])
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Compute the object-directory name from the given model name
|
|
AC_DEFUN([CF_OBJ_SUBDIR],
|
|
[
|
|
case $1 in
|
|
normal) $2='objects' ;;
|
|
debug) $2='obj_g' ;;
|
|
profile) $2='obj_p' ;;
|
|
shared) $2='obj_s' ;;
|
|
esac
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check the argument to see that it looks like a pathname. Rewrite it if it
|
|
dnl begins with one of the prefix/exec_prefix variables, and then again if the
|
|
dnl result begins with 'NONE'. This is necessary to workaround autoconf's
|
|
dnl delayed evaluation of those symbols.
|
|
AC_DEFUN([CF_PATH_SYNTAX],[
|
|
case ".[$]$1" in #(vi
|
|
./*) #(vi
|
|
;;
|
|
.[a-zA-Z]:[\\/]*) #(vi OS/2 EMX
|
|
;;
|
|
.\[$]{*prefix}*) #(vi
|
|
eval $1="[$]$1"
|
|
case ".[$]$1" in #(vi
|
|
.NONE/*)
|
|
$1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@`
|
|
;;
|
|
esac
|
|
;; #(vi
|
|
.NONE/*)
|
|
$1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@`
|
|
;;
|
|
*)
|
|
AC_ERROR(expected a pathname)
|
|
;;
|
|
esac
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
|
|
AC_DEFUN([CF_PROG_EXT],
|
|
[
|
|
AC_REQUIRE([CF_CHECK_CACHE])
|
|
PROG_EXT=
|
|
case $cf_cv_system_name in
|
|
os2*)
|
|
# We make sure -Zexe is not used -- it would interfere with @PROG_EXT@
|
|
CFLAGS="$CFLAGS -Zmt -D__ST_MT_ERRNO__"
|
|
CXXFLAGS="$CXXFLAGS -Zmt -D__ST_MT_ERRNO__"
|
|
LDFLAGS=`echo "$LDFLAGS -Zmt -Zcrtdll" | sed "s/-Zexe//g"`
|
|
PROG_EXT=".exe"
|
|
;;
|
|
cygwin*)
|
|
PROG_EXT=".exe"
|
|
;;
|
|
esac
|
|
AC_SUBST(PROG_EXT)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
|
|
dnl misc/tabset install won't work properly. Usually this happens only when
|
|
dnl using the fallback mkinstalldirs script
|
|
AC_DEFUN([CF_PROG_INSTALL],
|
|
[AC_PROG_INSTALL
|
|
case $INSTALL in
|
|
/*)
|
|
;;
|
|
*)
|
|
changequote({{,}})dnl
|
|
cf_dir=`echo $INSTALL|sed -e 's%/[^/]*$%%'`
|
|
test -z "$cf_dir" && cf_dir=.
|
|
changequote([,])dnl
|
|
INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's:^.*/::'`
|
|
;;
|
|
esac
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Attempt to determine if we've got one of the flavors of regular-expression
|
|
dnl code that we can support.
|
|
AC_DEFUN([CF_REGEX],
|
|
[
|
|
AC_MSG_CHECKING([for regular-expression headers])
|
|
AC_CACHE_VAL(cf_cv_regex,[
|
|
AC_TRY_LINK([#include <sys/types.h>
|
|
#include <regex.h>],[
|
|
regex_t *p;
|
|
int x = regcomp(p, "", 0);
|
|
int y = regexec(p, "", 0, 0, 0);
|
|
regfree(p);
|
|
],[cf_cv_regex="regex.h"],[
|
|
AC_TRY_LINK([#include <regexp.h>],[
|
|
char *p = compile("", "", "", 0);
|
|
int x = step("", "");
|
|
],[cf_cv_regex="regexp.h"],[
|
|
cf_save_LIBS="$LIBS"
|
|
LIBS="-lgen $LIBS"
|
|
AC_TRY_LINK([#include <regexpr.h>],[
|
|
char *p = compile("", "", "");
|
|
int x = step("", "");
|
|
],[cf_cv_regex="regexpr.h"],[LIBS="$cf_save_LIBS"])])])
|
|
])
|
|
AC_MSG_RESULT($cf_cv_regex)
|
|
case $cf_cv_regex in
|
|
regex.h) AC_DEFINE(HAVE_REGEX_H_FUNCS) ;;
|
|
regexp.h) AC_DEFINE(HAVE_REGEXP_H_FUNCS) ;;
|
|
regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS) ;;
|
|
esac
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Attempt to determine the appropriate CC/LD options for creating a shared
|
|
dnl library.
|
|
dnl
|
|
dnl Note: $(LOCAL_LDFLAGS) is used to link executables that will run within the
|
|
dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
|
|
dnl We avoid compiling-in a ../lib path for the shared library since that can
|
|
dnl lead to unexpected results at runtime.
|
|
dnl $(LOCAL_LDFLAGS2) has the same intention but assumes that the shared libraries
|
|
dnl are compiled in ../../lib
|
|
dnl
|
|
dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
|
|
dnl to install symbolic links to the rel/abi versions of shared libraries.
|
|
dnl
|
|
dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
|
|
dnl version when making symbolic links.
|
|
dnl
|
|
dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
|
|
AC_DEFUN([CF_SHARED_OPTS],
|
|
[
|
|
AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
|
|
LOCAL_LDFLAGS=
|
|
LOCAL_LDFLAGS2=
|
|
LD_SHARED_OPTS=
|
|
INSTALL_LIB="-m 644"
|
|
|
|
cf_cv_do_symlinks=no
|
|
|
|
AC_MSG_CHECKING(if release/abi version should be used for shared libs)
|
|
AC_ARG_WITH(shlib-version,
|
|
[ --with-shlib-version=X Specify rel or abi version for shared libs],
|
|
[test -z "$withval" && withval=auto
|
|
case $withval in #(vi
|
|
yes) #(vi
|
|
cf_cv_shlib_version=auto
|
|
;;
|
|
rel|abi|auto|no) #(vi
|
|
cf_cv_shlib_version=$withval
|
|
;;
|
|
*)
|
|
AC_ERROR([option value must be one of: rel, abi, auto or no])
|
|
;;
|
|
esac
|
|
],[cf_cv_shlib_version=auto])
|
|
AC_MSG_RESULT($cf_cv_shlib_version)
|
|
|
|
cf_cv_rm_so_locs=no
|
|
|
|
# Some less-capable ports of gcc support only -fpic
|
|
CC_SHARED_OPTS=
|
|
if test -n "$GCC"
|
|
then
|
|
AC_MSG_CHECKING(which $CC option to use)
|
|
cf_save_CFLAGS="$CFLAGS"
|
|
for CC_SHARED_OPTS in -fPIC -fpic ''
|
|
do
|
|
CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
|
|
AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
|
|
done
|
|
AC_MSG_RESULT($CC_SHARED_OPTS)
|
|
CFLAGS="$cf_save_CFLAGS"
|
|
fi
|
|
|
|
case $cf_cv_system_name in
|
|
beos*)
|
|
MK_SHARED_LIB='$(CC) -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
|
|
;;
|
|
hpux10.*)
|
|
# (tested with gcc 2.7.2 -- I don't have c89)
|
|
if test -n "$GCC"; then
|
|
LD_SHARED_OPTS='-Xlinker +b -Xlinker $(libdir)'
|
|
else
|
|
CC_SHARED_OPTS='+Z'
|
|
LD_SHARED_OPTS='-Wl,+b,$(libdir)'
|
|
fi
|
|
MK_SHARED_LIB='$(LD) +b $(libdir) -b +h `basename $[@]` -o $[@]'
|
|
# HP-UX shared libraries must be executable, and should be
|
|
# readonly to exploit a quirk in the memory manager.
|
|
INSTALL_LIB="-m 555"
|
|
cf_cv_do_symlinks=reverse
|
|
;;
|
|
hpux*)
|
|
# (tested with gcc 2.7.2 -- I don't have c89)
|
|
if test -n "$GCC"; then
|
|
LD_SHARED_OPTS='-Xlinker +b -Xlinker $(libdir)'
|
|
else
|
|
CC_SHARED_OPTS='+Z'
|
|
LD_SHARED_OPTS='-Wl,+b,$(libdir)'
|
|
fi
|
|
MK_SHARED_LIB='$(LD) +b $(libdir) -b -o $[@]'
|
|
# HP-UX shared libraries must be executable, and should be
|
|
# readonly to exploit a quirk in the memory manager.
|
|
INSTALL_LIB="-m 555"
|
|
;;
|
|
irix*)
|
|
# tested with IRIX 5.2 and 'cc'.
|
|
if test -z "$GCC"; then
|
|
CC_SHARED_OPTS='-KPIC'
|
|
fi
|
|
MK_SHARED_LIB='$(LD) -shared -rdata_shared -soname `basename $[@]` -o $[@]'
|
|
cf_cv_rm_so_locs=yes
|
|
;;
|
|
linux*|gnu*)
|
|
# tested with Linux 2.0.29 and gcc 2.7.2 (ELF)
|
|
test $cf_cv_ld_rpath = yes && cf_ld_rpath_opt="-Wl,-rpath,"
|
|
if test $DFT_LWR_MODEL = "shared" ; then
|
|
LOCAL_LDFLAGS='-Wl,-rpath,../lib'
|
|
LOCAL_LDFLAGS2='-Wl,-rpath,../../lib'
|
|
fi
|
|
test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel
|
|
if test $cf_cv_shlib_version = no ; then
|
|
MK_SHARED_LIB='$(CC) -shared -Wl,-stats,-lc -o $[@]'
|
|
else
|
|
MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@].$(ABI_VERSION)`,-stats,-lc -o $[@]'
|
|
fi
|
|
;;
|
|
openbsd2*)
|
|
CC_SHARED_OPTS='$CC_SHARED_OPTS -DPIC'
|
|
MK_SHARED_LIB='$(LD) -Bshareable -soname,`basename $[@].$(ABI_VERSION)` -o $[@]'
|
|
;;
|
|
openbsd*|freebsd*)
|
|
CC_SHARED_OPTS='$CC_SHARED_OPTS -DPIC'
|
|
MK_SHARED_LIB='$(LD) -Bshareable -o $[@]'
|
|
test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel
|
|
;;
|
|
netbsd*)
|
|
CC_SHARED_OPTS='$CC_SHARED_OPTS -DPIC'
|
|
test $cf_cv_ld_rpath = yes && cf_ld_rpath_opt="-Wl,-rpath,"
|
|
if test $DFT_LWR_MODEL = "shared" && test $cf_cv_ld_rpath = yes ; then
|
|
LOCAL_LDFLAGS='-Wl,-rpath,../lib'
|
|
LOCAL_LDFLAGS2='-Wl,-rpath,../../lib'
|
|
EXTRA_LDFLAGS="-Wl,-rpath,\$(libdir) $EXTRA_LDFLAGS"
|
|
MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@].$(ABI_VERSION)` -o $[@]'
|
|
test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel
|
|
else
|
|
MK_SHARED_LIB='$(LD) -Bshareable -o $[@]'
|
|
fi
|
|
;;
|
|
osf*|mls+*)
|
|
# tested with OSF/1 V3.2 and 'cc'
|
|
# tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
|
|
# link with shared libs).
|
|
MK_SHARED_LIB='$(LD) -set_version $(REL_VERSION):$(ABI_VERSION) -expect_unresolved "*" -shared -soname `basename $[@]`'
|
|
test $cf_cv_ld_rpath = yes && cf_ld_rpath_opt="-rpath"
|
|
case $host_os in
|
|
osf4*)
|
|
MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
|
|
;;
|
|
esac
|
|
MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
|
|
if test $DFT_LWR_MODEL = "shared" ; then
|
|
LOCAL_LDFLAGS='-Wl,-rpath,../lib'
|
|
LOCAL_LDFLAGS2='-Wl,-rpath,../../lib'
|
|
fi
|
|
cf_cv_rm_so_locs=yes
|
|
;;
|
|
sco3.2v5*) # (also uw2* and UW7) hops 13-Apr-98
|
|
# tested with osr5.0.5
|
|
if test $ac_cv_prog_gcc != yes; then
|
|
CC_SHARED_OPTS='-belf -KPIC'
|
|
fi
|
|
MK_SHARED_LIB='$(LD) -dy -G -h `basename [$]@.$(ABI_VERSION)` -o [$]@'
|
|
if test $cf_cv_ld_rpath = yes ; then
|
|
# only way is to set LD_RUN_PATH but no switch for it
|
|
RUN_PATH=$libdir
|
|
fi
|
|
test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel
|
|
LINK_PROGS='LD_RUN_PATH=$(libdir)'
|
|
LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
|
|
;;
|
|
sunos4*)
|
|
# tested with SunOS 4.1.1 and gcc 2.7.0
|
|
if test $ac_cv_prog_gcc != yes; then
|
|
CC_SHARED_OPTS='-KPIC'
|
|
fi
|
|
MK_SHARED_LIB='$(LD) -assert pure-text -o $[@]'
|
|
test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel
|
|
;;
|
|
solaris2*)
|
|
# tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
|
|
if test $ac_cv_prog_gcc != yes; then
|
|
CC_SHARED_OPTS='-KPIC'
|
|
fi
|
|
MK_SHARED_LIB='$(LD) -dy -G -h `basename $[@].$(ABI_VERSION)` -o $[@]'
|
|
if test $cf_cv_ld_rpath = yes ; then
|
|
cf_ld_rpath_opt="-R"
|
|
EXTRA_LDFLAGS="-R ../lib:\$(libdir) $EXTRA_LDFLAGS"
|
|
fi
|
|
test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel
|
|
;;
|
|
sysv5uw7*|unix_sv*)
|
|
# tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
|
|
if test $ac_cv_prog_gcc != yes; then
|
|
CC_SHARED_OPTS='-KPIC'
|
|
fi
|
|
MK_SHARED_LIB='$(LD) -d y -G -o [$]@'
|
|
;;
|
|
*)
|
|
CC_SHARED_OPTS='unknown'
|
|
MK_SHARED_LIB='echo unknown'
|
|
;;
|
|
esac
|
|
|
|
# This works if the last tokens in $MK_SHARED_LIB are the -o target.
|
|
case "$cf_cv_shlib_version" in #(vi
|
|
rel|abi)
|
|
case "$MK_SHARED_LIB" in #(vi
|
|
*'-o $[@]')
|
|
if test "$cf_cv_do_symlinks" = reverse ; then
|
|
AC_ERROR(cannot use --with-shlib-version with this platform)
|
|
fi
|
|
if test "$cf_cv_shlib_version" = rel ; then
|
|
MK_SHARED_LIB="$MK_SHARED_LIB"'.$(REL_VERSION)'
|
|
else
|
|
MK_SHARED_LIB="$MK_SHARED_LIB"'.$(ABI_VERSION)'
|
|
fi
|
|
cf_cv_do_symlinks=yes
|
|
;;
|
|
*)
|
|
AC_MSG_WARN(ignored --with-shlib-version)
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
|
|
if test -n "$cf_ld_rpath_opt" ; then
|
|
AC_MSG_CHECKING(if we need a space after rpath option)
|
|
cf_save_LIBS="$LIBS"
|
|
LIBS="$LIBS ${cf_ld_rpath_opt}/usr/lib"
|
|
AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
|
|
LIBS="$cf_save_LIBS"
|
|
AC_MSG_RESULT($cf_rpath_space)
|
|
test $cf_rpath_space = yes && cf_ld_rpath_opt="$cf_ld_rpath_opt "
|
|
MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\$(libdir)"
|
|
fi
|
|
|
|
AC_SUBST(CC_SHARED_OPTS)
|
|
AC_SUBST(LD_SHARED_OPTS)
|
|
AC_SUBST(MK_SHARED_LIB)
|
|
AC_SUBST(LINK_PROGS)
|
|
AC_SUBST(LINK_TESTS)
|
|
AC_SUBST(EXTRA_LDFLAGS)
|
|
AC_SUBST(LOCAL_LDFLAGS)
|
|
AC_SUBST(LOCAL_LDFLAGS2)
|
|
AC_SUBST(INSTALL_LIB)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check for definitions & structures needed for window size-changing
|
|
dnl FIXME: check that this works with "snake" (HP-UX 10.x)
|
|
AC_DEFUN([CF_SIZECHANGE],
|
|
[
|
|
AC_MSG_CHECKING([declaration of size-change])
|
|
AC_CACHE_VAL(cf_cv_sizechange,[
|
|
cf_cv_sizechange=unknown
|
|
cf_save_CFLAGS="$CFLAGS"
|
|
|
|
for cf_opts in "" "NEED_PTEM_H"
|
|
do
|
|
|
|
CFLAGS="$cf_save_CFLAGS"
|
|
test -n "$cf_opts" && CFLAGS="$CFLAGS -D$cf_opts"
|
|
AC_TRY_COMPILE([#include <sys/types.h>
|
|
#if HAVE_TERMIOS_H
|
|
#include <termios.h>
|
|
#else
|
|
#if HAVE_TERMIO_H
|
|
#include <termio.h>
|
|
#endif
|
|
#endif
|
|
#if NEED_PTEM_H
|
|
/* This is a workaround for SCO: they neglected to define struct winsize in
|
|
* termios.h -- it's only in termio.h and ptem.h
|
|
*/
|
|
#include <sys/stream.h>
|
|
#include <sys/ptem.h>
|
|
#endif
|
|
#if !defined(sun) || !defined(HAVE_TERMIOS_H)
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
],[
|
|
#ifdef TIOCGSIZE
|
|
struct ttysize win; /* FIXME: what system is this? */
|
|
int y = win.ts_lines;
|
|
int x = win.ts_cols;
|
|
#else
|
|
#ifdef TIOCGWINSZ
|
|
struct winsize win;
|
|
int y = win.ws_row;
|
|
int x = win.ws_col;
|
|
#else
|
|
no TIOCGSIZE or TIOCGWINSZ
|
|
#endif /* TIOCGWINSZ */
|
|
#endif /* TIOCGSIZE */
|
|
],
|
|
[cf_cv_sizechange=yes],
|
|
[cf_cv_sizechange=no])
|
|
|
|
CFLAGS="$cf_save_CFLAGS"
|
|
if test "$cf_cv_sizechange" = yes ; then
|
|
echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
|
|
test -n "$cf_opts" && AC_DEFINE_UNQUOTED($cf_opts)
|
|
break
|
|
fi
|
|
done
|
|
])
|
|
AC_MSG_RESULT($cf_cv_sizechange)
|
|
test $cf_cv_sizechange != no && AC_DEFINE(HAVE_SIZECHANGE)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check for datatype 'speed_t', which is normally declared via either
|
|
dnl sys/types.h or termios.h
|
|
AC_DEFUN([CF_SPEED_TYPE],
|
|
[
|
|
AC_MSG_CHECKING(for speed_t)
|
|
OSPEED_INCLUDES=
|
|
AC_TRY_COMPILE([#include <sys/types.h>],
|
|
[speed_t some_variable = 0],
|
|
[OSPEED_TYPE=speed_t],
|
|
[OSPEED_TYPE=unsigned])
|
|
AC_TRY_COMPILE([#include <termios.h>],
|
|
[speed_t some_variable = 0],
|
|
[OSPEED_TYPE=speed_t
|
|
OSPEED_INCLUDES="#include <termios.h>"],[])
|
|
AC_SUBST(OSPEED_TYPE)
|
|
AC_SUBST(OSPEED_INCLUDES)
|
|
if test "$OSPEED_TYPE" = "unsigned" ; then
|
|
AC_MSG_RESULT(no)
|
|
AC_DEFINE(speed_t,unsigned)
|
|
else
|
|
AC_MSG_RESULT(yes)
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl For each parameter, test if the source-directory exists, and if it contains
|
|
dnl a 'modules' file. If so, add to the list $cf_cv_src_modules which we'll
|
|
dnl use in CF_LIB_RULES.
|
|
dnl
|
|
dnl This uses the configured value to make the lists SRC_SUBDIRS and
|
|
dnl SUB_MAKEFILES which are used in the makefile-generation scheme.
|
|
AC_DEFUN([CF_SRC_MODULES],
|
|
[
|
|
AC_MSG_CHECKING(for src modules)
|
|
|
|
# dependencies and linker-arguments for test-programs
|
|
TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS"
|
|
TEST_ARGS="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARGS"
|
|
|
|
# dependencies and linker-arguments for utility-programs
|
|
PROG_ARGS="$TEST_ARGS"
|
|
|
|
cf_cv_src_modules=
|
|
for cf_dir in $1
|
|
do
|
|
if test -f $srcdir/$cf_dir/modules; then
|
|
|
|
# We may/may not have tack in the distribution, though the
|
|
# makefile is.
|
|
if test $cf_dir = tack ; then
|
|
if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then
|
|
continue
|
|
fi
|
|
fi
|
|
|
|
if test -z "$cf_cv_src_modules"; then
|
|
cf_cv_src_modules=$cf_dir
|
|
else
|
|
cf_cv_src_modules="$cf_cv_src_modules $cf_dir"
|
|
fi
|
|
|
|
# Make the ncurses_cfg.h file record the library interface files as
|
|
# well. These are header files that are the same name as their
|
|
# directory. Ncurses is the only library that does not follow
|
|
# that pattern.
|
|
if test $cf_dir = tack ; then
|
|
continue
|
|
elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then
|
|
CF_UPPER(cf_have_include,$cf_dir)
|
|
AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
|
|
AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
|
|
TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
|
|
TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS"
|
|
fi
|
|
fi
|
|
done
|
|
AC_MSG_RESULT($cf_cv_src_modules)
|
|
TEST_ARGS="-L${LIB_DIR} -L\$(libdir) $TEST_ARGS"
|
|
AC_SUBST(TEST_DEPS)
|
|
AC_SUBST(TEST_ARGS)
|
|
|
|
PROG_ARGS="-L${LIB_DIR} -L\$(libdir) $PROG_ARGS"
|
|
AC_SUBST(PROG_ARGS)
|
|
|
|
SRC_SUBDIRS="man include"
|
|
for cf_dir in $cf_cv_src_modules
|
|
do
|
|
SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
|
|
done
|
|
SRC_SUBDIRS="$SRC_SUBDIRS misc test"
|
|
test $cf_with_cxx_binding != no && SRC_SUBDIRS="$SRC_SUBDIRS c++"
|
|
|
|
ADA_SUBDIRS=
|
|
if test "$cf_cv_prog_gnat_correct" = yes && test -f $srcdir/Ada95/Makefile.in; then
|
|
SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
|
|
ADA_SUBDIRS="gen src samples"
|
|
fi
|
|
|
|
SUB_MAKEFILES=
|
|
for cf_dir in $SRC_SUBDIRS
|
|
do
|
|
SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
|
|
done
|
|
|
|
if test -n "$ADA_SUBDIRS"; then
|
|
for cf_dir in $ADA_SUBDIRS
|
|
do
|
|
SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile"
|
|
done
|
|
AC_SUBST(ADA_SUBDIRS)
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check for -lstdc++, which is GNU's standard C++ library.
|
|
AC_DEFUN([CF_STDCPP_LIBRARY],
|
|
[
|
|
if test -n "$GXX" ; then
|
|
case $cf_cv_system_name in #(vi
|
|
os2*) #(vi
|
|
cf_stdcpp_libname=stdcpp
|
|
;;
|
|
*)
|
|
cf_stdcpp_libname=stdc++
|
|
;;
|
|
esac
|
|
AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
|
|
cf_save="$LIBS"
|
|
LIBS="$LIBS -l$cf_stdcpp_libname"
|
|
AC_TRY_LINK([
|
|
#include <strstream.h>],[
|
|
char buf[80];
|
|
strstreambuf foo(buf, sizeof(buf))
|
|
],
|
|
[cf_cv_libstdcpp=yes],
|
|
[cf_cv_libstdcpp=no])
|
|
LIBS="$cf_save"
|
|
])
|
|
test $cf_cv_libstdcpp = yes && CXXLIBS="$CXXLIBS -l$cf_stdcpp_libname"
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Remove "-g" option from the compiler options
|
|
AC_DEFUN([CF_STRIP_G_OPT],
|
|
[$1=`echo ${$1} | sed -e 's/-g //' -e 's/-g$//'`])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check if we need _POSIX_SOURCE defined to use struct sigaction. We'll only
|
|
dnl do this if we've found the sigaction function.
|
|
dnl
|
|
dnl If needed, define SVR4_ACTION.
|
|
AC_DEFUN([CF_STRUCT_SIGACTION],[
|
|
if test $ac_cv_func_sigaction = yes; then
|
|
AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
|
|
AC_TRY_COMPILE([
|
|
#include <sys/types.h>
|
|
#include <signal.h>],
|
|
[struct sigaction act],
|
|
[sigact_bad=no],
|
|
[
|
|
AC_TRY_COMPILE([
|
|
#define _POSIX_SOURCE
|
|
#include <sys/types.h>
|
|
#include <signal.h>],
|
|
[struct sigaction act],
|
|
[sigact_bad=yes
|
|
AC_DEFINE(SVR4_ACTION)],
|
|
[sigact_bad=unknown])])
|
|
AC_MSG_RESULT($sigact_bad)
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Some machines require _POSIX_SOURCE to completely define struct termios.
|
|
dnl If so, define SVR4_TERMIO
|
|
AC_DEFUN([CF_STRUCT_TERMIOS],[
|
|
if test $ac_cv_header_termios_h = yes ; then
|
|
case "$CFLAGS" in
|
|
*-D_POSIX_SOURCE*)
|
|
termios_bad=dunno ;;
|
|
*) termios_bad=maybe ;;
|
|
esac
|
|
if test $termios_bad = maybe ; then
|
|
AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
|
|
AC_TRY_COMPILE([#include <termios.h>],
|
|
[struct termios foo; int x = foo.c_iflag],
|
|
termios_bad=no, [
|
|
AC_TRY_COMPILE([
|
|
#define _POSIX_SOURCE
|
|
#include <termios.h>],
|
|
[struct termios foo; int x = foo.c_iflag],
|
|
termios_bad=unknown,
|
|
termios_bad=yes AC_DEFINE(SVR4_TERMIO))
|
|
])
|
|
AC_MSG_RESULT($termios_bad)
|
|
fi
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Shorthand macro for substituting things that the user may override
|
|
dnl with an environment variable.
|
|
dnl
|
|
dnl $1 = long/descriptive name
|
|
dnl $2 = environment variable
|
|
dnl $3 = default value
|
|
AC_DEFUN([CF_SUBST],
|
|
[AC_CACHE_VAL(cf_cv_subst_$2,[
|
|
AC_MSG_CHECKING(for $1 (symbol $2))
|
|
test -z "[$]$2" && $2=$3
|
|
AC_MSG_RESULT([$]$2)
|
|
AC_SUBST($2)
|
|
cf_cv_subst_$2=[$]$2])
|
|
$2=${cf_cv_subst_$2}
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Get the version-number for use in shared-library naming, etc.
|
|
AC_DEFUN([CF_SUBST_NCURSES_VERSION],
|
|
[
|
|
changequote(,)dnl
|
|
NCURSES_MAJOR="`egrep '^NCURSES_MAJOR[ ]*=' $srcdir/dist.mk | sed -e 's/^[^0-9]*//'`"
|
|
NCURSES_MINOR="`egrep '^NCURSES_MINOR[ ]*=' $srcdir/dist.mk | sed -e 's/^[^0-9]*//'`"
|
|
NCURSES_PATCH="`egrep '^NCURSES_PATCH[ ]*=' $srcdir/dist.mk | sed -e 's/^[^0-9]*//'`"
|
|
changequote([,])dnl
|
|
cf_cv_abi_version=${NCURSES_MAJOR}
|
|
cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
|
|
dnl Show the computed version, for logging
|
|
AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version (`date`))
|
|
dnl We need these values in the generated headers
|
|
AC_SUBST(NCURSES_MAJOR)
|
|
AC_SUBST(NCURSES_MINOR)
|
|
AC_SUBST(NCURSES_PATCH)
|
|
dnl We need these values in the generated makefiles
|
|
AC_SUBST(cf_cv_rel_version)
|
|
AC_SUBST(cf_cv_abi_version)
|
|
AC_SUBST(cf_cv_cc_bool_type)
|
|
AC_SUBST(cf_cv_builtin_bool)
|
|
AC_SUBST(cf_cv_type_of_bool)dnl
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
|
|
dnl older SCO configurations.
|
|
AC_DEFUN([CF_SYS_TIME_SELECT],
|
|
[
|
|
AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
|
|
AC_CACHE_VAL(cf_cv_sys_time_select,[
|
|
AC_TRY_COMPILE([
|
|
#include <sys/types.h>
|
|
#if HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
#if HAVE_SYS_SELECT_H
|
|
#include <sys/select.h>
|
|
#endif
|
|
],[],[cf_cv_sys_time_select=yes],
|
|
[cf_cv_sys_time_select=no])
|
|
])
|
|
AC_MSG_RESULT($cf_cv_sys_time_select)
|
|
test $cf_cv_sys_time_select = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Determine the type we should use for chtype (and attr_t, which is treated
|
|
dnl as the same thing). We want around 32 bits, so on most machines want a
|
|
dnl long, but on newer 64-bit machines, probably want an int. If we're using
|
|
dnl wide characters, we have to have a type compatible with that, as well.
|
|
AC_DEFUN([CF_TYPEOF_CHTYPE],
|
|
[
|
|
AC_REQUIRE([CF_UNSIGNED_LITERALS])
|
|
AC_MSG_CHECKING([for type of chtype])
|
|
AC_CACHE_VAL(cf_cv_typeof_chtype,[
|
|
AC_TRY_RUN([
|
|
#if USE_WIDEC_SUPPORT
|
|
#include <stddef.h> /* we want wchar_t */
|
|
#define WANT_BITS 39
|
|
#else
|
|
#define WANT_BITS 31
|
|
#endif
|
|
#include <stdio.h>
|
|
int main()
|
|
{
|
|
FILE *fp = fopen("cf_test.out", "w");
|
|
if (fp != 0) {
|
|
char *result = "long";
|
|
#if USE_WIDEC_SUPPORT
|
|
/*
|
|
* If wchar_t is smaller than a long, it must be an int or a
|
|
* short. We prefer not to use a short anyway.
|
|
*/
|
|
if (sizeof(unsigned long) > sizeof(wchar_t))
|
|
result = "int";
|
|
#endif
|
|
if (sizeof(unsigned long) > sizeof(unsigned int)) {
|
|
int n;
|
|
unsigned int x;
|
|
for (n = 0; n < WANT_BITS; n++) {
|
|
unsigned int y = (x >> n);
|
|
if (y != 1 || x == 0) {
|
|
x = 0;
|
|
break;
|
|
}
|
|
}
|
|
/*
|
|
* If x is nonzero, an int is big enough for the bits
|
|
* that we want.
|
|
*/
|
|
result = (x != 0) ? "int" : "long";
|
|
}
|
|
fputs(result, fp);
|
|
fclose(fp);
|
|
}
|
|
exit(0);
|
|
}
|
|
],
|
|
[cf_cv_typeof_chtype=`cat cf_test.out`],
|
|
[cf_cv_typeof_chtype=long],
|
|
[cf_cv_typeof_chtype=long])
|
|
rm -f cf_test.out
|
|
])
|
|
AC_MSG_RESULT($cf_cv_typeof_chtype)
|
|
|
|
AC_SUBST(cf_cv_typeof_chtype)
|
|
AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype)
|
|
|
|
cf_cv_1UL="1"
|
|
test "$cf_cv_unsigned_literals" = yes && cf_cv_1UL="${cf_cv_1UL}U"
|
|
test "$cf_cv_typeof_chtype" = long && cf_cv_1UL="${cf_cv_1UL}L"
|
|
AC_SUBST(cf_cv_1UL)
|
|
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl
|
|
AC_DEFUN([CF_TYPE_SIGACTION],
|
|
[
|
|
AC_MSG_CHECKING([for type sigaction_t])
|
|
AC_CACHE_VAL(cf_cv_type_sigaction,[
|
|
AC_TRY_COMPILE([
|
|
#include <signal.h>],
|
|
[sigaction_t x],
|
|
[cf_cv_type_sigaction=yes],
|
|
[cf_cv_type_sigaction=no])])
|
|
AC_MSG_RESULT($cf_cv_type_sigaction)
|
|
test $cf_cv_type_sigaction = yes && AC_DEFINE(HAVE_TYPE_SIGACTION)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Test if the compiler supports 'U' and 'L' suffixes. Only old compilers
|
|
dnl won't, but they're still there.
|
|
AC_DEFUN([CF_UNSIGNED_LITERALS],
|
|
[
|
|
AC_MSG_CHECKING([if unsigned literals are legal])
|
|
AC_CACHE_VAL(cf_cv_unsigned_literals,[
|
|
AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
|
|
[cf_cv_unsigned_literals=yes],
|
|
[cf_cv_unsigned_literals=no])
|
|
])
|
|
AC_MSG_RESULT($cf_cv_unsigned_literals)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Make an uppercase version of a variable
|
|
dnl $1=uppercase($2)
|
|
AC_DEFUN([CF_UPPER],
|
|
[
|
|
changequote(,)dnl
|
|
$1=`echo $2 | tr '[a-z]' '[A-Z]'`
|
|
changequote([,])dnl
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Compute the shift-mask that we'll use for wide-character indices. We use
|
|
dnl all but the index portion of chtype for storing attributes.
|
|
AC_DEFUN([CF_WIDEC_SHIFT],
|
|
[
|
|
AC_REQUIRE([CF_TYPEOF_CHTYPE])
|
|
AC_MSG_CHECKING([for number of bits in chtype])
|
|
AC_CACHE_VAL(cf_cv_shift_limit,[
|
|
AC_TRY_RUN([
|
|
#include <stdio.h>
|
|
int main()
|
|
{
|
|
FILE *fp = fopen("cf_test.out", "w");
|
|
if (fp != 0) {
|
|
int n;
|
|
unsigned TYPEOF_CHTYPE x = 1L;
|
|
for (n = 0; ; n++) {
|
|
unsigned long y = (x >> n);
|
|
if (y != 1 || x == 0)
|
|
break;
|
|
x <<= 1;
|
|
}
|
|
fprintf(fp, "%d", n);
|
|
fclose(fp);
|
|
}
|
|
exit(0);
|
|
}
|
|
],
|
|
[cf_cv_shift_limit=`cat cf_test.out`],
|
|
[cf_cv_shift_limit=32],
|
|
[cf_cv_shift_limit=32])
|
|
rm -f cf_test.out
|
|
])
|
|
AC_MSG_RESULT($cf_cv_shift_limit)
|
|
AC_SUBST(cf_cv_shift_limit)
|
|
|
|
AC_MSG_CHECKING([for width of character-index])
|
|
AC_CACHE_VAL(cf_cv_widec_shift,[
|
|
if test ".$with_widec" = ".yes" ; then
|
|
cf_attrs_width=39
|
|
if ( expr $cf_cv_shift_limit \> $cf_attrs_width >/dev/null )
|
|
then
|
|
cf_cv_widec_shift=`expr 16 + $cf_cv_shift_limit - $cf_attrs_width`
|
|
else
|
|
cf_cv_widec_shift=16
|
|
fi
|
|
else
|
|
cf_cv_widec_shift=8
|
|
fi
|
|
])
|
|
AC_MSG_RESULT($cf_cv_widec_shift)
|
|
AC_SUBST(cf_cv_widec_shift)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
|
|
dnl defaulting to yes/no.
|
|
dnl
|
|
dnl $1 = option name
|
|
dnl $2 = help-text
|
|
dnl $3 = environment variable to set
|
|
dnl $4 = default value, shown in the help-message, must be a constant
|
|
dnl $5 = default value, if it's an expression & cannot be in the help-message
|
|
dnl
|
|
AC_DEFUN([CF_WITH_PATH],
|
|
[AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
|
|
ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl
|
|
CF_PATH_SYNTAX(withval)
|
|
eval $3="$withval"
|
|
AC_SUBST($3)dnl
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl Process an option specifying a list of colon-separated paths.
|
|
dnl
|
|
dnl $1 = option name
|
|
dnl $2 = help-text
|
|
dnl $3 = environment variable to set
|
|
dnl $4 = default value, shown in the help-message, must be a constant
|
|
dnl $5 = default value, if it's an expression & cannot be in the help-message
|
|
dnl
|
|
AC_DEFUN([CF_WITH_PATHLIST],[
|
|
AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
|
|
ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl
|
|
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
|
|
cf_dst_path=
|
|
for cf_src_path in $withval
|
|
do
|
|
CF_PATH_SYNTAX(cf_src_path)
|
|
test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}:"
|
|
cf_dst_path="${cf_dst_path}${cf_src_path}"
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
|
|
eval $3="$cf_dst_path"
|
|
AC_SUBST($3)dnl
|
|
])dnl
|