98e903e7a0
bison, keeping full compatibility with our previous yacc implementation. Also bring the ability to create reentrant parser This fix bin/140309 [1] PR: bin/140309 [1] Submitted by: Philippe Pepiot <ksh@philpep.org> [1] Approved by: des (mentor) MFC after: 1 month
1145 lines
34 KiB
Plaintext
1145 lines
34 KiB
Plaintext
dnl $Id: aclocal.m4,v 1.19 2012/01/13 14:10:56 tom Exp $
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dnl Macros for byacc configure script (Thomas E. Dickey)
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dnl ---------------------------------------------------------------------------
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dnl Copyright 2004-2011,2012 Thomas E. Dickey
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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 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 CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
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dnl -------------
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dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
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dnl The second parameter if given makes this macro verbose.
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dnl
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dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
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dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
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dnl confused by the quotes (which require backslashes to keep them usable).
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AC_DEFUN([CF_ADD_CFLAGS],
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[
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cf_fix_cppflags=no
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cf_new_cflags=
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cf_new_cppflags=
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cf_new_extra_cppflags=
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for cf_add_cflags in $1
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do
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case $cf_fix_cppflags in
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no)
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case $cf_add_cflags in #(vi
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-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
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case $cf_add_cflags in
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-D*)
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cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
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test "${cf_add_cflags}" != "${cf_tst_cflags}" \
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&& test -z "${cf_tst_cflags}" \
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&& cf_fix_cppflags=yes
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if test $cf_fix_cppflags = yes ; then
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cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
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continue
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elif test "${cf_tst_cflags}" = "\"'" ; then
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cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
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continue
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fi
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;;
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esac
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case "$CPPFLAGS" in
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*$cf_add_cflags) #(vi
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;;
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*) #(vi
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case $cf_add_cflags in #(vi
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-D*)
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cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
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CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
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;;
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esac
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cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
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;;
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esac
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;;
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*)
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cf_new_cflags="$cf_new_cflags $cf_add_cflags"
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;;
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esac
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;;
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yes)
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cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
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cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
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test "${cf_add_cflags}" != "${cf_tst_cflags}" \
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&& test -z "${cf_tst_cflags}" \
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&& cf_fix_cppflags=no
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;;
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esac
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done
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if test -n "$cf_new_cflags" ; then
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ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
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CFLAGS="$CFLAGS $cf_new_cflags"
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fi
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if test -n "$cf_new_cppflags" ; then
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ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
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CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
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fi
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if test -n "$cf_new_extra_cppflags" ; then
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ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
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EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
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fi
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AC_SUBST(EXTRA_CPPFLAGS)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45
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dnl ----------------
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dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
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dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
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AC_DEFUN([CF_ANSI_CC_CHECK],
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[
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# This should have been defined by AC_PROG_CC
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: ${CC:=cc}
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# Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
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# into CC. This will not help with broken scripts that wrap the compiler with
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# options, but eliminates a more common category of user confusion.
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AC_MSG_CHECKING(\$CC variable)
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case "$CC" in #(vi
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*[[\ \ ]]-[[IUD]]*)
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AC_MSG_RESULT(broken)
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AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
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# humor him...
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cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
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CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
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CF_ADD_CFLAGS($cf_flags)
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;;
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*)
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AC_MSG_RESULT(ok)
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;;
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esac
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AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
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cf_cv_ansi_cc=no
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cf_save_CFLAGS="$CFLAGS"
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cf_save_CPPFLAGS="$CPPFLAGS"
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# Don't try gcc -ansi; that turns off useful extensions and
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# breaks some systems' header files.
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# AIX -qlanglvl=ansi
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# Ultrix and OSF/1 -std1
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# HP-UX -Aa -D_HPUX_SOURCE
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# SVR4 -Xc
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# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
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for cf_arg in "-DCC_HAS_PROTOS" \
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"" \
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-qlanglvl=ansi \
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-std1 \
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-Ae \
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"-Aa -D_HPUX_SOURCE" \
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-Xc
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do
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CF_ADD_CFLAGS($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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CPPFLAGS="$cf_save_CPPFLAGS"
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])
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if test "$cf_cv_ansi_cc" != "no"; then
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if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
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CF_ADD_CFLAGS($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 CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
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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_MSG_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 CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
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dnl --------------
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dnl Allow user to disable a normally-on option.
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AC_DEFUN([CF_ARG_DISABLE],
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[CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
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dnl ---------------------------------------------------------------------------
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dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
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dnl -------------
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dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
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dnl values.
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dnl
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dnl Parameters:
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dnl $1 = option name
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dnl $2 = help-string
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dnl $3 = action to perform if option is not default
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dnl $4 = action if perform if option is default
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dnl $5 = default option value (either 'yes' or 'no')
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AC_DEFUN([CF_ARG_OPTION],
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[AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
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if test "$enableval" != "$5" ; then
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ifelse([$3],,[ :]dnl
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,[ $3]) ifelse([$4],,,[
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else
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$4])
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fi],[enableval=$5 ifelse([$4],,,[
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$4
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])dnl
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])])dnl
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dnl ---------------------------------------------------------------------------
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dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
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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). Normally we'll use AC_CANONICAL_HOST, but allow
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dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
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dnl which is useful in cross-compiles.
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dnl
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dnl Note: we would use $ac_config_sub, but that is one of the places where
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dnl autoconf 2.5x broke compatibility with autoconf 2.13
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AC_DEFUN([CF_CHECK_CACHE],
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[
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if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
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ifelse([$1],,[AC_CANONICAL_HOST],[$1])
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system_name="$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_MSG_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 CF_DISABLE_ECHO version: 11 updated: 2009/12/13 13:16:57
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dnl ---------------
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dnl You can always use "make -n" to see the actual options, but it's hard to
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dnl pick out/analyze warning messages when the compile-line is long.
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dnl
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dnl Sets:
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dnl ECHO_LT - symbol to control if libtool is verbose
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dnl ECHO_LD - symbol to prefix "cc -o" lines
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dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
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dnl SHOW_CC - symbol to put before explicit "cc -c" lines
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dnl ECHO_CC - symbol to put before any "cc" line
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dnl
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AC_DEFUN([CF_DISABLE_ECHO],[
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AC_MSG_CHECKING(if you want to see long compiling messages)
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CF_ARG_DISABLE(echo,
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[ --disable-echo display "compiling" commands],
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[
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ECHO_LT='--silent'
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ECHO_LD='@echo linking [$]@;'
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RULE_CC='@echo compiling [$]<'
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SHOW_CC='@echo compiling [$]@'
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ECHO_CC='@'
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],[
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ECHO_LT=''
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ECHO_LD=''
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RULE_CC=''
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SHOW_CC=''
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ECHO_CC=''
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])
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AC_MSG_RESULT($enableval)
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AC_SUBST(ECHO_LT)
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AC_SUBST(ECHO_LD)
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AC_SUBST(RULE_CC)
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AC_SUBST(SHOW_CC)
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AC_SUBST(ECHO_CC)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl CF_DISABLE_LEAKS version: 6 updated: 2010/07/23 04:14:32
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dnl ----------------
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dnl Combine no-leak checks with the libraries or tools that are used for the
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dnl checks.
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AC_DEFUN([CF_DISABLE_LEAKS],[
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AC_REQUIRE([CF_WITH_DMALLOC])
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AC_REQUIRE([CF_WITH_DBMALLOC])
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AC_REQUIRE([CF_WITH_VALGRIND])
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AC_MSG_CHECKING(if you want to perform memory-leak testing)
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AC_ARG_ENABLE(leaks,
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[ --disable-leaks test: free permanent memory, analyze leaks],
|
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[if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
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: ${with_no_leaks:=no})
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AC_MSG_RESULT($with_no_leaks)
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if test "$with_no_leaks" = yes ; then
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AC_DEFINE(NO_LEAKS)
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AC_DEFINE(YY_NO_LEAKS)
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
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dnl -----------------
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dnl Test for availability of useful gcc __attribute__ directives to quiet
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dnl compiler warnings. Though useful, not all are supported -- and contrary
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dnl to documentation, unrecognized directives cause older compilers to barf.
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AC_DEFUN([CF_GCC_ATTRIBUTES],
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[
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if test "$GCC" = yes
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then
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cat > conftest.i <<EOF
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#ifndef GCC_PRINTF
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#define GCC_PRINTF 0
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#endif
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#ifndef GCC_SCANF
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#define GCC_SCANF 0
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#endif
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#ifndef GCC_NORETURN
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#define GCC_NORETURN /* nothing */
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#endif
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#ifndef GCC_UNUSED
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#define GCC_UNUSED /* nothing */
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#endif
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EOF
|
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if test "$GCC" = yes
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then
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AC_CHECKING([for $CC __attribute__ directives])
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cat > conftest.$ac_ext <<EOF
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#line __oline__ "${as_me:-configure}"
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#include "confdefs.h"
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#include "conftest.h"
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#include "conftest.i"
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#if GCC_PRINTF
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#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
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|
#else
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#define GCC_PRINTFLIKE(fmt,var) /*nothing*/
|
|
#endif
|
|
#if GCC_SCANF
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#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
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|
#else
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#define GCC_SCANFLIKE(fmt,var) /*nothing*/
|
|
#endif
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|
extern void wow(char *,...) GCC_SCANFLIKE(1,2);
|
|
extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
|
|
extern void foo(void) GCC_NORETURN;
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|
int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
|
|
EOF
|
|
cf_printf_attribute=no
|
|
cf_scanf_attribute=no
|
|
for cf_attribute in scanf printf unused noreturn
|
|
do
|
|
CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
|
|
cf_directive="__attribute__(($cf_attribute))"
|
|
echo "checking for $CC $cf_directive" 1>&AC_FD_CC
|
|
|
|
case $cf_attribute in #(vi
|
|
printf) #(vi
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|
cf_printf_attribute=yes
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|
cat >conftest.h <<EOF
|
|
#define GCC_$cf_ATTRIBUTE 1
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|
EOF
|
|
;;
|
|
scanf) #(vi
|
|
cf_scanf_attribute=yes
|
|
cat >conftest.h <<EOF
|
|
#define GCC_$cf_ATTRIBUTE 1
|
|
EOF
|
|
;;
|
|
*) #(vi
|
|
cat >conftest.h <<EOF
|
|
#define GCC_$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
|
|
case $cf_attribute in #(vi
|
|
printf) #(vi
|
|
if test "$cf_printf_attribute" = no ; then
|
|
cat >>confdefs.h <<EOF
|
|
#define GCC_PRINTFLIKE(fmt,var) /* nothing */
|
|
EOF
|
|
else
|
|
cat >>confdefs.h <<EOF
|
|
#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
|
|
EOF
|
|
fi
|
|
;;
|
|
scanf) #(vi
|
|
if test "$cf_scanf_attribute" = no ; then
|
|
cat >>confdefs.h <<EOF
|
|
#define GCC_SCANFLIKE(fmt,var) /* nothing */
|
|
EOF
|
|
else
|
|
cat >>confdefs.h <<EOF
|
|
#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
|
|
EOF
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
done
|
|
else
|
|
fgrep define conftest.i >>confdefs.h
|
|
fi
|
|
rm -rf conftest*
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
|
|
dnl --------------
|
|
dnl Find version of gcc
|
|
AC_DEFUN([CF_GCC_VERSION],[
|
|
AC_REQUIRE([AC_PROG_CC])
|
|
GCC_VERSION=none
|
|
if test "$GCC" = yes ; then
|
|
AC_MSG_CHECKING(version of $CC)
|
|
GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
|
|
test -z "$GCC_VERSION" && GCC_VERSION=unknown
|
|
AC_MSG_RESULT($GCC_VERSION)
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
|
|
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). This
|
|
dnl is enabled for ncurses using "--enable-const".
|
|
dnl -pedantic
|
|
dnl
|
|
dnl Parameter:
|
|
dnl $1 is an optional list of gcc warning flags that a particular
|
|
dnl application might want to use, e.g., "no-unused" for
|
|
dnl -Wno-unused
|
|
dnl Special:
|
|
dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
|
|
dnl
|
|
AC_DEFUN([CF_GCC_WARNINGS],
|
|
[
|
|
AC_REQUIRE([CF_GCC_VERSION])
|
|
CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
|
|
|
|
cat > conftest.$ac_ext <<EOF
|
|
#line __oline__ "${as_me:-configure}"
|
|
int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
|
|
EOF
|
|
|
|
if test "$INTEL_COMPILER" = yes
|
|
then
|
|
# The "-wdXXX" options suppress warnings:
|
|
# remark #1419: external declaration in primary source file
|
|
# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
|
|
# remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
|
|
# remark #193: zero used for undefined preprocessing identifier
|
|
# remark #593: variable "curs_sb_left_arrow" was set but never used
|
|
# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
|
|
# remark #869: parameter "tw" was never referenced
|
|
# remark #981: operands are evaluated in unspecified order
|
|
# warning #279: controlling expression is constant
|
|
|
|
AC_CHECKING([for $CC warning options])
|
|
cf_save_CFLAGS="$CFLAGS"
|
|
EXTRA_CFLAGS="-Wall"
|
|
for cf_opt in \
|
|
wd1419 \
|
|
wd1683 \
|
|
wd1684 \
|
|
wd193 \
|
|
wd593 \
|
|
wd279 \
|
|
wd810 \
|
|
wd869 \
|
|
wd981
|
|
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"
|
|
fi
|
|
done
|
|
CFLAGS="$cf_save_CFLAGS"
|
|
|
|
elif test "$GCC" = yes
|
|
then
|
|
AC_CHECKING([for $CC warning options])
|
|
cf_save_CFLAGS="$CFLAGS"
|
|
EXTRA_CFLAGS=
|
|
cf_warn_CONST=""
|
|
test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
|
|
for cf_opt in W Wall \
|
|
Wbad-function-cast \
|
|
Wcast-align \
|
|
Wcast-qual \
|
|
Winline \
|
|
Wmissing-declarations \
|
|
Wmissing-prototypes \
|
|
Wnested-externs \
|
|
Wpointer-arith \
|
|
Wshadow \
|
|
Wstrict-prototypes \
|
|
Wundef $cf_warn_CONST $1
|
|
do
|
|
CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
|
|
case $cf_opt in #(vi
|
|
Wcast-qual) #(vi
|
|
CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
|
|
;;
|
|
Winline) #(vi
|
|
case $GCC_VERSION in
|
|
[[34]].*)
|
|
CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
|
|
continue;;
|
|
esac
|
|
;;
|
|
esac
|
|
EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
|
|
fi
|
|
done
|
|
CFLAGS="$cf_save_CFLAGS"
|
|
fi
|
|
rm -rf conftest*
|
|
|
|
AC_SUBST(EXTRA_CFLAGS)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
|
|
dnl -------------
|
|
dnl Check if we must define _GNU_SOURCE to get a reasonable value for
|
|
dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
|
|
dnl (or misfeature) of glibc2, which breaks portability of many applications,
|
|
dnl since it is interwoven with GNU extensions.
|
|
dnl
|
|
dnl Well, yes we could work around it...
|
|
AC_DEFUN([CF_GNU_SOURCE],
|
|
[
|
|
AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
|
|
AC_TRY_COMPILE([#include <sys/types.h>],[
|
|
#ifndef _XOPEN_SOURCE
|
|
make an error
|
|
#endif],
|
|
[cf_cv_gnu_source=no],
|
|
[cf_save="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
|
|
AC_TRY_COMPILE([#include <sys/types.h>],[
|
|
#ifdef _XOPEN_SOURCE
|
|
make an error
|
|
#endif],
|
|
[cf_cv_gnu_source=no],
|
|
[cf_cv_gnu_source=yes])
|
|
CPPFLAGS="$cf_save"
|
|
])
|
|
])
|
|
test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
|
|
dnl -----------------
|
|
dnl Check if the given compiler is really the Intel compiler for Linux. It
|
|
dnl tries to imitate gcc, but does not return an error when it finds a mismatch
|
|
dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
|
|
dnl
|
|
dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
|
|
dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
|
|
dnl the wrappers for gcc and g++ warnings.
|
|
dnl
|
|
dnl $1 = GCC (default) or GXX
|
|
dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
|
|
dnl $3 = CFLAGS (default) or CXXFLAGS
|
|
AC_DEFUN([CF_INTEL_COMPILER],[
|
|
ifelse([$2],,INTEL_COMPILER,[$2])=no
|
|
|
|
if test "$ifelse([$1],,[$1],GCC)" = yes ; then
|
|
case $host_os in
|
|
linux*|gnu*)
|
|
AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
|
|
cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
|
|
ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
|
|
AC_TRY_COMPILE([],[
|
|
#ifdef __INTEL_COMPILER
|
|
#else
|
|
make an error
|
|
#endif
|
|
],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
|
|
cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
|
|
],[])
|
|
ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
|
|
AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
|
|
;;
|
|
esac
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
|
|
dnl ------------
|
|
dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
|
|
dnl a monocase filesystem.
|
|
AC_DEFUN([CF_MAKE_TAGS],[
|
|
AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
|
|
|
|
AC_CHECK_PROGS(CTAGS, exctags ctags)
|
|
AC_CHECK_PROGS(ETAGS, exetags etags)
|
|
|
|
AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
|
|
|
|
if test "$cf_cv_mixedcase" = yes ; then
|
|
AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
|
|
else
|
|
MAKE_UPPER_TAGS=no
|
|
fi
|
|
|
|
if test "$MAKE_UPPER_TAGS" = yes ; then
|
|
MAKE_UPPER_TAGS=
|
|
else
|
|
MAKE_UPPER_TAGS="#"
|
|
fi
|
|
|
|
if test "$MAKE_LOWER_TAGS" = yes ; then
|
|
MAKE_LOWER_TAGS=
|
|
else
|
|
MAKE_LOWER_TAGS="#"
|
|
fi
|
|
|
|
AC_SUBST(CTAGS)
|
|
AC_SUBST(ETAGS)
|
|
|
|
AC_SUBST(MAKE_UPPER_TAGS)
|
|
AC_SUBST(MAKE_LOWER_TAGS)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
|
|
dnl ----------------------
|
|
dnl Check if the file-system supports mixed-case filenames. If we're able to
|
|
dnl create a lowercase name and see it as uppercase, it doesn't support that.
|
|
AC_DEFUN([CF_MIXEDCASE_FILENAMES],
|
|
[
|
|
AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
|
|
if test "$cross_compiling" = yes ; then
|
|
case $target_alias in #(vi
|
|
*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
|
|
cf_cv_mixedcase=no
|
|
;;
|
|
*)
|
|
cf_cv_mixedcase=yes
|
|
;;
|
|
esac
|
|
else
|
|
rm -f conftest CONFTEST
|
|
echo test >conftest
|
|
if test -f CONFTEST ; then
|
|
cf_cv_mixedcase=no
|
|
else
|
|
cf_cv_mixedcase=yes
|
|
fi
|
|
rm -f conftest CONFTEST
|
|
fi
|
|
])
|
|
test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_MKSTEMP version: 7 updated: 2010/08/14 18:25:37
|
|
dnl ----------
|
|
dnl Check for a working mkstemp. This creates two files, checks that they are
|
|
dnl successfully created and distinct (AmigaOS apparently fails on the last).
|
|
AC_DEFUN([CF_MKSTEMP],[
|
|
AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
|
|
rm -rf conftest*
|
|
AC_TRY_RUN([
|
|
#include <sys/types.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
int main()
|
|
{
|
|
char *tmpl = "conftestXXXXXX";
|
|
char name[2][80];
|
|
int n;
|
|
int result = 0;
|
|
int fd;
|
|
struct stat sb;
|
|
|
|
umask(077);
|
|
for (n = 0; n < 2; ++n) {
|
|
strcpy(name[n], tmpl);
|
|
if ((fd = mkstemp(name[n])) >= 0) {
|
|
if (!strcmp(name[n], tmpl)
|
|
|| stat(name[n], &sb) != 0
|
|
|| (sb.st_mode & S_IFMT) != S_IFREG
|
|
|| (sb.st_mode & 077) != 0) {
|
|
result = 1;
|
|
}
|
|
close(fd);
|
|
}
|
|
}
|
|
if (result == 0
|
|
&& !strcmp(name[0], name[1]))
|
|
result = 1;
|
|
${cf_cv_main_return:-return}(result);
|
|
}
|
|
],[cf_cv_func_mkstemp=yes
|
|
],[cf_cv_func_mkstemp=no
|
|
],[AC_CHECK_FUNC(mkstemp)
|
|
])
|
|
])
|
|
if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
|
|
AC_DEFINE(HAVE_MKSTEMP)
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
|
|
dnl ----------
|
|
dnl Write a debug message to config.log, along with the line number in the
|
|
dnl configure script.
|
|
AC_DEFUN([CF_MSG_LOG],[
|
|
echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
|
|
dnl ------------------
|
|
dnl see CF_WITH_NO_LEAKS
|
|
AC_DEFUN([CF_NO_LEAKS_OPTION],[
|
|
AC_MSG_CHECKING(if you want to use $1 for testing)
|
|
AC_ARG_WITH($1,
|
|
[$2],
|
|
[AC_DEFINE($3)ifelse([$4],,[
|
|
$4
|
|
])
|
|
: ${with_cflags:=-g}
|
|
: ${with_no_leaks:=yes}
|
|
with_$1=yes],
|
|
[with_$1=])
|
|
AC_MSG_RESULT(${with_$1:-no})
|
|
|
|
case .$with_cflags in #(vi
|
|
.*-g*)
|
|
case .$CFLAGS in #(vi
|
|
.*-g*) #(vi
|
|
;;
|
|
*)
|
|
CF_ADD_CFLAGS([-g])
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
|
|
dnl -----------------
|
|
dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
|
|
dnl
|
|
dnl POSIX.1-1990 _POSIX_SOURCE
|
|
dnl POSIX.1-1990 and _POSIX_SOURCE and
|
|
dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
|
|
dnl Bindings Option
|
|
dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
|
|
dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
|
|
dnl X/Open 2000 _POSIX_C_SOURCE=200112L
|
|
dnl
|
|
dnl Parameters:
|
|
dnl $1 is the nominal value for _POSIX_C_SOURCE
|
|
AC_DEFUN([CF_POSIX_C_SOURCE],
|
|
[
|
|
cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
|
|
|
|
cf_save_CFLAGS="$CFLAGS"
|
|
cf_save_CPPFLAGS="$CPPFLAGS"
|
|
|
|
CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
|
|
CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
|
|
|
|
AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
|
|
CF_MSG_LOG(if the symbol is already defined go no further)
|
|
AC_TRY_COMPILE([#include <sys/types.h>],[
|
|
#ifndef _POSIX_C_SOURCE
|
|
make an error
|
|
#endif],
|
|
[cf_cv_posix_c_source=no],
|
|
[cf_want_posix_source=no
|
|
case .$cf_POSIX_C_SOURCE in #(vi
|
|
.[[12]]??*) #(vi
|
|
cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
|
|
;;
|
|
.2) #(vi
|
|
cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
|
|
cf_want_posix_source=yes
|
|
;;
|
|
.*)
|
|
cf_want_posix_source=yes
|
|
;;
|
|
esac
|
|
if test "$cf_want_posix_source" = yes ; then
|
|
AC_TRY_COMPILE([#include <sys/types.h>],[
|
|
#ifdef _POSIX_SOURCE
|
|
make an error
|
|
#endif],[],
|
|
cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
|
|
fi
|
|
CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
|
|
CFLAGS="$cf_trim_CFLAGS"
|
|
CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
|
|
CF_MSG_LOG(if the second compile does not leave our definition intact error)
|
|
AC_TRY_COMPILE([#include <sys/types.h>],[
|
|
#ifndef _POSIX_C_SOURCE
|
|
make an error
|
|
#endif],,
|
|
[cf_cv_posix_c_source=no])
|
|
CFLAGS="$cf_save_CFLAGS"
|
|
CPPFLAGS="$cf_save_CPPFLAGS"
|
|
])
|
|
])
|
|
|
|
if test "$cf_cv_posix_c_source" != no ; then
|
|
CFLAGS="$cf_trim_CFLAGS"
|
|
CPPFLAGS="$cf_trim_CPPFLAGS"
|
|
CF_ADD_CFLAGS($cf_cv_posix_c_source)
|
|
fi
|
|
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
|
|
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])
|
|
case $cf_cv_system_name in
|
|
os2*)
|
|
CFLAGS="$CFLAGS -Zmt"
|
|
CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
|
|
CXXFLAGS="$CXXFLAGS -Zmt"
|
|
# autoconf's macro sets -Zexe and suffix both, which conflict:w
|
|
LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
|
|
ac_cv_exeext=.exe
|
|
;;
|
|
esac
|
|
|
|
AC_EXEEXT
|
|
AC_OBJEXT
|
|
|
|
PROG_EXT="$EXEEXT"
|
|
AC_SUBST(PROG_EXT)
|
|
test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
|
|
dnl ------------
|
|
AC_DEFUN([CF_PROG_LINT],
|
|
[
|
|
AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
|
|
AC_SUBST(LINT_OPTS)
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
|
|
dnl ----------------
|
|
dnl Remove all -U and -D options that refer to the given symbol from a list
|
|
dnl of C compiler options. This works around the problem that not all
|
|
dnl compilers process -U and -D options from left-to-right, so a -U option
|
|
dnl cannot be used to cancel the effect of a preceding -D option.
|
|
dnl
|
|
dnl $1 = target (which could be the same as the source variable)
|
|
dnl $2 = source (including '$')
|
|
dnl $3 = symbol to remove
|
|
define([CF_REMOVE_DEFINE],
|
|
[
|
|
$1=`echo "$2" | \
|
|
sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
|
|
-e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
|
|
dnl -------------------
|
|
dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
|
|
dnl can define it successfully.
|
|
AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
|
|
AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
|
|
AC_TRY_COMPILE([
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
],[
|
|
#ifndef _XOPEN_SOURCE
|
|
make an error
|
|
#endif],
|
|
[cf_cv_xopen_source=no],
|
|
[cf_save="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
|
|
AC_TRY_COMPILE([
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
],[
|
|
#ifdef _XOPEN_SOURCE
|
|
make an error
|
|
#endif],
|
|
[cf_cv_xopen_source=no],
|
|
[cf_cv_xopen_source=$cf_XOPEN_SOURCE])
|
|
CPPFLAGS="$cf_save"
|
|
])
|
|
])
|
|
|
|
if test "$cf_cv_xopen_source" != no ; then
|
|
CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
|
|
CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
|
|
cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
|
|
CF_ADD_CFLAGS($cf_temp_xopen_source)
|
|
fi
|
|
])
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
|
|
dnl --------
|
|
dnl Make an uppercase version of a variable
|
|
dnl $1=uppercase($2)
|
|
AC_DEFUN([CF_UPPER],
|
|
[
|
|
$1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
|
|
dnl ----------
|
|
dnl Use AC_VERBOSE w/o the warnings
|
|
AC_DEFUN([CF_VERBOSE],
|
|
[test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
|
|
CF_MSG_LOG([$1])
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
|
|
dnl ----------------
|
|
dnl Configure-option for dbmalloc. The optional parameter is used to override
|
|
dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
|
|
AC_DEFUN([CF_WITH_DBMALLOC],[
|
|
CF_NO_LEAKS_OPTION(dbmalloc,
|
|
[ --with-dbmalloc test: use Conor Cahill's dbmalloc library],
|
|
[USE_DBMALLOC])
|
|
|
|
if test "$with_dbmalloc" = yes ; then
|
|
AC_CHECK_HEADER(dbmalloc.h,
|
|
[AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
|
|
dnl ---------------
|
|
dnl Configure-option for dmalloc. The optional parameter is used to override
|
|
dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
|
|
AC_DEFUN([CF_WITH_DMALLOC],[
|
|
CF_NO_LEAKS_OPTION(dmalloc,
|
|
[ --with-dmalloc test: use Gray Watson's dmalloc library],
|
|
[USE_DMALLOC])
|
|
|
|
if test "$with_dmalloc" = yes ; then
|
|
AC_CHECK_HEADER(dmalloc.h,
|
|
[AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
|
|
dnl ----------------
|
|
AC_DEFUN([CF_WITH_VALGRIND],[
|
|
CF_NO_LEAKS_OPTION(valgrind,
|
|
[ --with-valgrind test: use valgrind],
|
|
[USE_VALGRIND])
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_WITH_WARNINGS version: 5 updated: 2004/07/23 14:40:34
|
|
dnl ----------------
|
|
dnl Combine the checks for gcc features into a configure-script option
|
|
dnl
|
|
dnl Parameters:
|
|
dnl $1 - see CF_GCC_WARNINGS
|
|
AC_DEFUN([CF_WITH_WARNINGS],
|
|
[
|
|
if ( test "$GCC" = yes || test "$GXX" = yes )
|
|
then
|
|
AC_MSG_CHECKING(if you want to check for gcc warnings)
|
|
AC_ARG_WITH(warnings,
|
|
[ --with-warnings test: turn on gcc warnings],
|
|
[cf_opt_with_warnings=$withval],
|
|
[cf_opt_with_warnings=no])
|
|
AC_MSG_RESULT($cf_opt_with_warnings)
|
|
if test "$cf_opt_with_warnings" != no ; then
|
|
CF_GCC_ATTRIBUTES
|
|
CF_GCC_WARNINGS([$1])
|
|
fi
|
|
fi
|
|
])dnl
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl CF_XOPEN_SOURCE version: 42 updated: 2012/01/07 08:26:49
|
|
dnl ---------------
|
|
dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
|
|
dnl or adapt to the vendor's definitions to get equivalent functionality,
|
|
dnl without losing the common non-POSIX features.
|
|
dnl
|
|
dnl Parameters:
|
|
dnl $1 is the nominal value for _XOPEN_SOURCE
|
|
dnl $2 is the nominal value for _POSIX_C_SOURCE
|
|
AC_DEFUN([CF_XOPEN_SOURCE],[
|
|
|
|
cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
|
|
cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
|
|
cf_xopen_source=
|
|
|
|
case $host_os in #(vi
|
|
aix[[4-7]]*) #(vi
|
|
cf_xopen_source="-D_ALL_SOURCE"
|
|
;;
|
|
cygwin) #(vi
|
|
cf_XOPEN_SOURCE=600
|
|
;;
|
|
darwin[[0-8]].*) #(vi
|
|
cf_xopen_source="-D_APPLE_C_SOURCE"
|
|
;;
|
|
darwin*) #(vi
|
|
cf_xopen_source="-D_DARWIN_C_SOURCE"
|
|
cf_XOPEN_SOURCE=
|
|
;;
|
|
freebsd*|dragonfly*) #(vi
|
|
# 5.x headers associate
|
|
# _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
|
|
# _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
|
|
cf_POSIX_C_SOURCE=200112L
|
|
cf_XOPEN_SOURCE=600
|
|
cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
|
|
;;
|
|
hpux11*) #(vi
|
|
cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
|
|
;;
|
|
hpux*) #(vi
|
|
cf_xopen_source="-D_HPUX_SOURCE"
|
|
;;
|
|
irix[[56]].*) #(vi
|
|
cf_xopen_source="-D_SGI_SOURCE"
|
|
cf_XOPEN_SOURCE=
|
|
;;
|
|
linux*|gnu*|mint*|k*bsd*-gnu) #(vi
|
|
CF_GNU_SOURCE
|
|
;;
|
|
mirbsd*) #(vi
|
|
# setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
|
|
cf_XOPEN_SOURCE=
|
|
CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
|
|
;;
|
|
netbsd*) #(vi
|
|
cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
|
|
;;
|
|
openbsd[[4-9]]*) #(vi
|
|
# setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
|
|
cf_xopen_source="-D_BSD_SOURCE"
|
|
cf_XOPEN_SOURCE=600
|
|
;;
|
|
openbsd*) #(vi
|
|
# setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
|
|
;;
|
|
osf[[45]]*) #(vi
|
|
cf_xopen_source="-D_OSF_SOURCE"
|
|
;;
|
|
nto-qnx*) #(vi
|
|
cf_xopen_source="-D_QNX_SOURCE"
|
|
;;
|
|
sco*) #(vi
|
|
# setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
|
|
;;
|
|
solaris2.*) #(vi
|
|
cf_xopen_source="-D__EXTENSIONS__"
|
|
;;
|
|
*)
|
|
CF_TRY_XOPEN_SOURCE
|
|
CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
|
|
;;
|
|
esac
|
|
|
|
if test -n "$cf_xopen_source" ; then
|
|
CF_ADD_CFLAGS($cf_xopen_source)
|
|
fi
|
|
|
|
dnl In anything but the default case, we may have system-specific setting
|
|
dnl which is still not guaranteed to provide all of the entrypoints that
|
|
dnl _XOPEN_SOURCE would yield.
|
|
if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
|
|
AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
|
|
AC_TRY_COMPILE([#include <stdlib.h>],[
|
|
#ifndef _XOPEN_SOURCE
|
|
make an error
|
|
#endif],
|
|
[cf_XOPEN_SOURCE_set=yes],
|
|
[cf_XOPEN_SOURCE_set=no])
|
|
AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
|
|
if test $cf_XOPEN_SOURCE_set = yes
|
|
then
|
|
AC_TRY_COMPILE([#include <stdlib.h>],[
|
|
#if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
|
|
make an error
|
|
#endif],
|
|
[cf_XOPEN_SOURCE_set_ok=yes],
|
|
[cf_XOPEN_SOURCE_set_ok=no])
|
|
if test $cf_XOPEN_SOURCE_set_ok = no
|
|
then
|
|
AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
|
|
fi
|
|
else
|
|
CF_TRY_XOPEN_SOURCE
|
|
fi
|
|
fi
|
|
])
|