709 lines
23 KiB
Plaintext
709 lines
23 KiB
Plaintext
# aclocal.m4 generated automatically by aclocal 1.5
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# Copyright 1996, 1997, 1998, 1999, 2000, 2001
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# Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE.
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AC_DEFUN(hs_ULONG_CONST,
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[ AC_EGREP_CPP(Circus,
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[#define ACAT(a,b)a ## b
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ACAT(Cir,cus)
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], AC_DEFINE([ULONG_CONST(a)], [a ## UL]),
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AC_EGREP_CPP(Reiser,
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[#define RCAT(a,b)a/**/b
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RCAT(Rei,ser)
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], AC_DEFINE([ULONG_CONST(a)], [a/**/L]),
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AC_MSG_ERROR([How do we create an unsigned long constant?])))])
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dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION])
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dnl
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dnl This macro defines (with AC_DEFINE) VARNAME to the expansion of the DIR
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dnl variable, taking care of fixing up ${prefix} and such.
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dnl
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dnl Note that the 3 argument form is only supported with autoconf 2.13 and
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dnl later (i.e. only where AC_DEFINE supports 3 arguments).
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dnl
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dnl Examples:
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dnl
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dnl AC_DEFINE_DIR(DATADIR, datadir)
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dnl AC_DEFINE_DIR(PROG_PATH, bindir, [Location of installed binaries])
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dnl
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dnl @version $Id$
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dnl @author Alexandre Oliva <oliva@lsd.ic.unicamp.br>
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AC_DEFUN(AC_DEFINE_DIR, [
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ac_expanded=`(
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test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
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eval echo \""[$]$2"\"
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)`
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ifelse($3, ,
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AC_DEFINE_UNQUOTED($1, "$ac_expanded"),
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AC_DEFINE_UNQUOTED($1, "$ac_expanded", $3))
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])
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# Like AC_CONFIG_HEADER, but automatically create stamp file.
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# serial 3
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# When config.status generates a header, we must update the stamp-h file.
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# This file resides in the same directory as the config header
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# that is generated. We must strip everything past the first ":",
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# and everything past the last "/".
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AC_PREREQ([2.12])
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AC_DEFUN([AM_CONFIG_HEADER],
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[ifdef([AC_FOREACH],dnl
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[dnl init our file count if it isn't already
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m4_ifndef([_AM_Config_Header_Index], m4_define([_AM_Config_Header_Index], [0]))
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dnl prepare to store our destination file list for use in config.status
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AC_FOREACH([_AM_File], [$1],
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[m4_pushdef([_AM_Dest], m4_patsubst(_AM_File, [:.*]))
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m4_define([_AM_Config_Header_Index], m4_incr(_AM_Config_Header_Index))
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dnl and add it to the list of files AC keeps track of, along
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dnl with our hook
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AC_CONFIG_HEADERS(_AM_File,
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dnl COMMANDS, [, INIT-CMDS]
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[# update the timestamp
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echo timestamp >"AS_ESCAPE(_AM_DIRNAME(]_AM_Dest[))/stamp-h]_AM_Config_Header_Index["
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][$2]m4_ifval([$3], [, [$3]]))dnl AC_CONFIG_HEADERS
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m4_popdef([_AM_Dest])])],dnl
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[AC_CONFIG_HEADER([$1])
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AC_OUTPUT_COMMANDS(
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ifelse(patsubst([$1], [[^ ]], []),
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[],
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[test -z "$CONFIG_HEADERS" || echo timestamp >dnl
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patsubst([$1], [^\([^:]*/\)?.*], [\1])stamp-h]),dnl
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[am_indx=1
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for am_file in $1; do
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case " \$CONFIG_HEADERS " in
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*" \$am_file "*)
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am_dir=\`echo \$am_file |sed 's%:.*%%;s%[^/]*\$%%'\`
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if test -n "\$am_dir"; then
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am_tmpdir=\`echo \$am_dir |sed 's%^\(/*\).*\$%\1%'\`
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for am_subdir in \`echo \$am_dir |sed 's%/% %'\`; do
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am_tmpdir=\$am_tmpdir\$am_subdir/
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if test ! -d \$am_tmpdir; then
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mkdir \$am_tmpdir
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fi
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done
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fi
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echo timestamp > "\$am_dir"stamp-h\$am_indx
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;;
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esac
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am_indx=\`expr \$am_indx + 1\`
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done])
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])]) # AM_CONFIG_HEADER
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# _AM_DIRNAME(PATH)
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# -----------------
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# Like AS_DIRNAME, only do it during macro expansion
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AC_DEFUN([_AM_DIRNAME],
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[m4_if(m4_regexp([$1], [^.*[^/]//*[^/][^/]*/*$]), -1,
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m4_if(m4_regexp([$1], [^//\([^/]\|$\)]), -1,
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m4_if(m4_regexp([$1], [^/.*]), -1,
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[.],
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m4_patsubst([$1], [^\(/\).*], [\1])),
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m4_patsubst([$1], [^\(//\)\([^/].*\|$\)], [\1])),
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m4_patsubst([$1], [^\(.*[^/]\)//*[^/][^/]*/*$], [\1]))[]dnl
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]) # _AM_DIRNAME
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# Do all the work for Automake. This macro actually does too much --
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# some checks are only needed if your package does certain things.
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# But this isn't really a big deal.
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# serial 5
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# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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# written in clear, in which case automake, when reading aclocal.m4,
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# will think it sees a *use*, and therefore will trigger all it's
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# C support machinery. Also note that it means that autoscan, seeing
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# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
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# We require 2.13 because we rely on SHELL being computed by configure.
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AC_PREREQ([2.13])
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# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
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# -----------------------------------------------------------
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# If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED.
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# The purpose of this macro is to provide the user with a means to
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# check macros which are provided without letting her know how the
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# information is coded.
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# If this macro is not defined by Autoconf, define it here.
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ifdef([AC_PROVIDE_IFELSE],
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[],
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[define([AC_PROVIDE_IFELSE],
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[ifdef([AC_PROVIDE_$1],
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[$2], [$3])])])
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# AM_INIT_AUTOMAKE(PACKAGE,VERSION, [NO-DEFINE])
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# ----------------------------------------------
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AC_DEFUN([AM_INIT_AUTOMAKE],
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[AC_REQUIRE([AC_PROG_INSTALL])dnl
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# test to see if srcdir already configured
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if test "`CDPATH=:; cd $srcdir && pwd`" != "`pwd`" &&
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test -f $srcdir/config.status; then
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AC_MSG_ERROR([source directory already configured; run \"make distclean\" there first])
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fi
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# Define the identity of the package.
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PACKAGE=$1
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AC_SUBST(PACKAGE)dnl
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VERSION=$2
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AC_SUBST(VERSION)dnl
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ifelse([$3],,
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[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
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AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])
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# Autoconf 2.50 wants to disallow AM_ names. We explicitly allow
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# the ones we care about.
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ifdef([m4_pattern_allow],
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[m4_pattern_allow([^AM_[A-Z]+FLAGS])])dnl
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# Autoconf 2.50 always computes EXEEXT. However we need to be
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# compatible with 2.13, for now. So we always define EXEEXT, but we
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# don't compute it.
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AC_SUBST(EXEEXT)
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# Similar for OBJEXT -- only we only use OBJEXT if the user actually
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# requests that it be used. This is a bit dumb.
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: ${OBJEXT=o}
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AC_SUBST(OBJEXT)
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# Some tools Automake needs.
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AC_REQUIRE([AM_SANITY_CHECK])dnl
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AC_REQUIRE([AC_ARG_PROGRAM])dnl
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AM_MISSING_PROG(ACLOCAL, aclocal)
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AM_MISSING_PROG(AUTOCONF, autoconf)
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AM_MISSING_PROG(AUTOMAKE, automake)
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AM_MISSING_PROG(AUTOHEADER, autoheader)
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AM_MISSING_PROG(MAKEINFO, makeinfo)
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AM_MISSING_PROG(AMTAR, tar)
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AM_PROG_INSTALL_SH
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AM_PROG_INSTALL_STRIP
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# We need awk for the "check" target. The system "awk" is bad on
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# some platforms.
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AC_REQUIRE([AC_PROG_AWK])dnl
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AC_REQUIRE([AC_PROG_MAKE_SET])dnl
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AC_REQUIRE([AM_DEP_TRACK])dnl
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AC_REQUIRE([AM_SET_DEPDIR])dnl
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AC_PROVIDE_IFELSE([AC_PROG_][CC],
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[_AM_DEPENDENCIES(CC)],
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[define([AC_PROG_][CC],
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defn([AC_PROG_][CC])[_AM_DEPENDENCIES(CC)])])dnl
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AC_PROVIDE_IFELSE([AC_PROG_][CXX],
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[_AM_DEPENDENCIES(CXX)],
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[define([AC_PROG_][CXX],
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defn([AC_PROG_][CXX])[_AM_DEPENDENCIES(CXX)])])dnl
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])
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#
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# Check to make sure that the build environment is sane.
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#
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# serial 3
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# AM_SANITY_CHECK
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# ---------------
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AC_DEFUN([AM_SANITY_CHECK],
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[AC_MSG_CHECKING([whether build environment is sane])
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# Just in case
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sleep 1
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echo timestamp > conftest.file
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# Do `set' in a subshell so we don't clobber the current shell's
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# arguments. Must try -L first in case configure is actually a
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# symlink; some systems play weird games with the mod time of symlinks
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# (eg FreeBSD returns the mod time of the symlink's containing
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# directory).
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if (
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set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
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if test "$[*]" = "X"; then
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# -L didn't work.
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set X `ls -t $srcdir/configure conftest.file`
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fi
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rm -f conftest.file
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if test "$[*]" != "X $srcdir/configure conftest.file" \
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&& test "$[*]" != "X conftest.file $srcdir/configure"; then
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# If neither matched, then we have a broken ls. This can happen
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# if, for instance, CONFIG_SHELL is bash and it inherits a
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# broken ls alias from the environment. This has actually
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# happened. Such a system could not be considered "sane".
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AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
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alias in your environment])
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fi
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test "$[2]" = conftest.file
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)
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then
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# Ok.
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:
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else
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AC_MSG_ERROR([newly created file is older than distributed files!
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Check your system clock])
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fi
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AC_MSG_RESULT(yes)])
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# serial 2
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# AM_MISSING_PROG(NAME, PROGRAM)
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# ------------------------------
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AC_DEFUN([AM_MISSING_PROG],
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[AC_REQUIRE([AM_MISSING_HAS_RUN])
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$1=${$1-"${am_missing_run}$2"}
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AC_SUBST($1)])
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# AM_MISSING_HAS_RUN
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# ------------------
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# Define MISSING if not defined so far and test if it supports --run.
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# If it does, set am_missing_run to use it, otherwise, to nothing.
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AC_DEFUN([AM_MISSING_HAS_RUN],
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[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
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# Use eval to expand $SHELL
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if eval "$MISSING --run true"; then
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am_missing_run="$MISSING --run "
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else
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am_missing_run=
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am_backtick='`'
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AC_MSG_WARN([${am_backtick}missing' script is too old or missing])
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fi
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])
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# AM_AUX_DIR_EXPAND
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# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
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# $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to
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# `$srcdir', `$srcdir/..', or `$srcdir/../..'.
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#
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# Of course, Automake must honor this variable whenever it calls a
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# tool from the auxiliary directory. The problem is that $srcdir (and
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# therefore $ac_aux_dir as well) can be either absolute or relative,
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# depending on how configure is run. This is pretty annoying, since
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# it makes $ac_aux_dir quite unusable in subdirectories: in the top
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# source directory, any form will work fine, but in subdirectories a
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# relative path needs to be adjusted first.
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#
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# $ac_aux_dir/missing
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# fails when called from a subdirectory if $ac_aux_dir is relative
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# $top_srcdir/$ac_aux_dir/missing
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# fails if $ac_aux_dir is absolute,
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# fails when called from a subdirectory in a VPATH build with
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# a relative $ac_aux_dir
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#
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# The reason of the latter failure is that $top_srcdir and $ac_aux_dir
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# are both prefixed by $srcdir. In an in-source build this is usually
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# harmless because $srcdir is `.', but things will broke when you
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# start a VPATH build or use an absolute $srcdir.
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#
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# So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
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# iff we strip the leading $srcdir from $ac_aux_dir. That would be:
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# am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
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# and then we would define $MISSING as
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# MISSING="\${SHELL} $am_aux_dir/missing"
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# This will work as long as MISSING is not called from configure, because
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# unfortunately $(top_srcdir) has no meaning in configure.
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# However there are other variables, like CC, which are often used in
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# configure, and could therefore not use this "fixed" $ac_aux_dir.
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#
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# Another solution, used here, is to always expand $ac_aux_dir to an
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# absolute PATH. The drawback is that using absolute paths prevent a
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# configured tree to be moved without reconfiguration.
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AC_DEFUN([AM_AUX_DIR_EXPAND], [
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# expand $ac_aux_dir to an absolute path
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am_aux_dir=`CDPATH=:; cd $ac_aux_dir && pwd`
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])
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# AM_PROG_INSTALL_SH
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# ------------------
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# Define $install_sh.
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AC_DEFUN([AM_PROG_INSTALL_SH],
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[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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install_sh=${install_sh-"$am_aux_dir/install-sh"}
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AC_SUBST(install_sh)])
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# One issue with vendor `install' (even GNU) is that you can't
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# specify the program used to strip binaries. This is especially
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# annoying in cross-compiling environments, where the build's strip
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# is unlikely to handle the host's binaries.
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# Fortunately install-sh will honor a STRIPPROG variable, so we
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# always use install-sh in `make install-strip', and initialize
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# STRIPPROG with the value of the STRIP variable (set by the user).
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AC_DEFUN([AM_PROG_INSTALL_STRIP],
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[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
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INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
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AC_SUBST([INSTALL_STRIP_PROGRAM])])
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# serial 4 -*- Autoconf -*-
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# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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# written in clear, in which case automake, when reading aclocal.m4,
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# will think it sees a *use*, and therefore will trigger all it's
|
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# C support machinery. Also note that it means that autoscan, seeing
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# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
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# _AM_DEPENDENCIES(NAME)
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# ---------------------
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# See how the compiler implements dependency checking.
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# NAME is "CC", "CXX" or "OBJC".
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# We try a few techniques and use that to set a single cache variable.
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#
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# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
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# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
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# dependency, and given that the user is not expected to run this macro,
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# just rely on AC_PROG_CC.
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AC_DEFUN([_AM_DEPENDENCIES],
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[AC_REQUIRE([AM_SET_DEPDIR])dnl
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AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
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AC_REQUIRE([AM_MAKE_INCLUDE])dnl
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AC_REQUIRE([AM_DEP_TRACK])dnl
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ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
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[$1], CXX, [depcc="$CXX" am_compiler_list=],
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[$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc']
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[$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
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[depcc="$$1" am_compiler_list=])
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AC_CACHE_CHECK([dependency style of $depcc],
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[am_cv_$1_dependencies_compiler_type],
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[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
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# We make a subdir and do the tests there. Otherwise we can end up
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# making bogus files that we don't know about and never remove. For
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# instance it was reported that on HP-UX the gcc test will end up
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# making a dummy file named `D' -- because `-MD' means `put the output
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# in D'.
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mkdir conftest.dir
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# Copy depcomp to subdir because otherwise we won't find it if we're
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# using a relative directory.
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cp "$am_depcomp" conftest.dir
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cd conftest.dir
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am_cv_$1_dependencies_compiler_type=none
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if test "$am_compiler_list" = ""; then
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am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
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fi
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for depmode in $am_compiler_list; do
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# We need to recreate these files for each test, as the compiler may
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# overwrite some of them when testing with obscure command lines.
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# This happens at least with the AIX C compiler.
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echo '#include "conftest.h"' > conftest.c
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echo 'int i;' > conftest.h
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echo "${am__include} ${am__quote}conftest.Po${am__quote}" > confmf
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case $depmode in
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nosideeffect)
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# after this tag, mechanisms are not by side-effect, so they'll
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# only be used when explicitly requested
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if test "x$enable_dependency_tracking" = xyes; then
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continue
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else
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break
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fi
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;;
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none) break ;;
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esac
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# We check with `-c' and `-o' for the sake of the "dashmstdout"
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# mode. It turns out that the SunPro C++ compiler does not properly
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# handle `-M -o', and we need to detect this.
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if depmode=$depmode \
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source=conftest.c object=conftest.o \
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depfile=conftest.Po tmpdepfile=conftest.TPo \
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$SHELL ./depcomp $depcc -c conftest.c -o conftest.o >/dev/null 2>&1 &&
|
|
grep conftest.h conftest.Po > /dev/null 2>&1 &&
|
|
${MAKE-make} -s -f confmf > /dev/null 2>&1; then
|
|
am_cv_$1_dependencies_compiler_type=$depmode
|
|
break
|
|
fi
|
|
done
|
|
|
|
cd ..
|
|
rm -rf conftest.dir
|
|
else
|
|
am_cv_$1_dependencies_compiler_type=none
|
|
fi
|
|
])
|
|
$1DEPMODE="depmode=$am_cv_$1_dependencies_compiler_type"
|
|
AC_SUBST([$1DEPMODE])
|
|
])
|
|
|
|
|
|
# AM_SET_DEPDIR
|
|
# -------------
|
|
# Choose a directory name for dependency files.
|
|
# This macro is AC_REQUIREd in _AM_DEPENDENCIES
|
|
AC_DEFUN([AM_SET_DEPDIR],
|
|
[rm -f .deps 2>/dev/null
|
|
mkdir .deps 2>/dev/null
|
|
if test -d .deps; then
|
|
DEPDIR=.deps
|
|
else
|
|
# MS-DOS does not allow filenames that begin with a dot.
|
|
DEPDIR=_deps
|
|
fi
|
|
rmdir .deps 2>/dev/null
|
|
AC_SUBST(DEPDIR)
|
|
])
|
|
|
|
|
|
# AM_DEP_TRACK
|
|
# ------------
|
|
AC_DEFUN([AM_DEP_TRACK],
|
|
[AC_ARG_ENABLE(dependency-tracking,
|
|
[ --disable-dependency-tracking Speeds up one-time builds
|
|
--enable-dependency-tracking Do not reject slow dependency extractors])
|
|
if test "x$enable_dependency_tracking" != xno; then
|
|
am_depcomp="$ac_aux_dir/depcomp"
|
|
AMDEPBACKSLASH='\'
|
|
fi
|
|
AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
|
|
pushdef([subst], defn([AC_SUBST]))
|
|
subst(AMDEPBACKSLASH)
|
|
popdef([subst])
|
|
])
|
|
|
|
# Generate code to set up dependency tracking.
|
|
# This macro should only be invoked once -- use via AC_REQUIRE.
|
|
# Usage:
|
|
# AM_OUTPUT_DEPENDENCY_COMMANDS
|
|
|
|
#
|
|
# This code is only required when automatic dependency tracking
|
|
# is enabled. FIXME. This creates each `.P' file that we will
|
|
# need in order to bootstrap the dependency handling code.
|
|
AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],[
|
|
AC_OUTPUT_COMMANDS([
|
|
test x"$AMDEP_TRUE" != x"" ||
|
|
for mf in $CONFIG_FILES; do
|
|
case "$mf" in
|
|
Makefile) dirpart=.;;
|
|
*/Makefile) dirpart=`echo "$mf" | sed -e 's|/[^/]*$||'`;;
|
|
*) continue;;
|
|
esac
|
|
grep '^DEP_FILES *= *[^ #]' < "$mf" > /dev/null || continue
|
|
# Extract the definition of DEP_FILES from the Makefile without
|
|
# running `make'.
|
|
DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"`
|
|
test -z "$DEPDIR" && continue
|
|
# When using ansi2knr, U may be empty or an underscore; expand it
|
|
U=`sed -n -e '/^U = / s///p' < "$mf"`
|
|
test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR"
|
|
# We invoke sed twice because it is the simplest approach to
|
|
# changing $(DEPDIR) to its actual value in the expansion.
|
|
for file in `sed -n -e '
|
|
/^DEP_FILES = .*\\\\$/ {
|
|
s/^DEP_FILES = //
|
|
:loop
|
|
s/\\\\$//
|
|
p
|
|
n
|
|
/\\\\$/ b loop
|
|
p
|
|
}
|
|
/^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \
|
|
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
|
|
# Make sure the directory exists.
|
|
test -f "$dirpart/$file" && continue
|
|
fdir=`echo "$file" | sed -e 's|/[^/]*$||'`
|
|
$ac_aux_dir/mkinstalldirs "$dirpart/$fdir" > /dev/null 2>&1
|
|
# echo "creating $dirpart/$file"
|
|
echo '# dummy' > "$dirpart/$file"
|
|
done
|
|
done
|
|
], [AMDEP_TRUE="$AMDEP_TRUE"
|
|
ac_aux_dir="$ac_aux_dir"])])
|
|
|
|
# AM_MAKE_INCLUDE()
|
|
# -----------------
|
|
# Check to see how make treats includes.
|
|
AC_DEFUN([AM_MAKE_INCLUDE],
|
|
[am_make=${MAKE-make}
|
|
cat > confinc << 'END'
|
|
doit:
|
|
@echo done
|
|
END
|
|
# If we don't find an include directive, just comment out the code.
|
|
AC_MSG_CHECKING([for style of include used by $am_make])
|
|
am__include='#'
|
|
am__quote=
|
|
_am_result=none
|
|
# First try GNU make style include.
|
|
echo "include confinc" > confmf
|
|
# We grep out `Entering directory' and `Leaving directory'
|
|
# messages which can occur if `w' ends up in MAKEFLAGS.
|
|
# In particular we don't look at `^make:' because GNU make might
|
|
# be invoked under some other name (usually "gmake"), in which
|
|
# case it prints its new name instead of `make'.
|
|
if test "`$am_make -s -f confmf 2> /dev/null | fgrep -v 'ing directory'`" = "done"; then
|
|
am__include=include
|
|
am__quote=
|
|
_am_result=GNU
|
|
fi
|
|
# Now try BSD make style include.
|
|
if test "$am__include" = "#"; then
|
|
echo '.include "confinc"' > confmf
|
|
if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
|
|
am__include=.include
|
|
am__quote='"'
|
|
_am_result=BSD
|
|
fi
|
|
fi
|
|
AC_SUBST(am__include)
|
|
AC_SUBST(am__quote)
|
|
AC_MSG_RESULT($_am_result)
|
|
rm -f confinc confmf
|
|
])
|
|
|
|
# serial 3
|
|
|
|
# AM_CONDITIONAL(NAME, SHELL-CONDITION)
|
|
# -------------------------------------
|
|
# Define a conditional.
|
|
#
|
|
# FIXME: Once using 2.50, use this:
|
|
# m4_match([$1], [^TRUE\|FALSE$], [AC_FATAL([$0: invalid condition: $1])])dnl
|
|
AC_DEFUN([AM_CONDITIONAL],
|
|
[ifelse([$1], [TRUE],
|
|
[errprint(__file__:__line__: [$0: invalid condition: $1
|
|
])dnl
|
|
m4exit(1)])dnl
|
|
ifelse([$1], [FALSE],
|
|
[errprint(__file__:__line__: [$0: invalid condition: $1
|
|
])dnl
|
|
m4exit(1)])dnl
|
|
AC_SUBST([$1_TRUE])
|
|
AC_SUBST([$1_FALSE])
|
|
if $2; then
|
|
$1_TRUE=
|
|
$1_FALSE='#'
|
|
else
|
|
$1_TRUE='#'
|
|
$1_FALSE=
|
|
fi])
|
|
|
|
|
|
# serial 1
|
|
|
|
AC_DEFUN([AM_C_PROTOTYPES],
|
|
[AC_REQUIRE([AM_PROG_CC_STDC])
|
|
AC_REQUIRE([AC_PROG_CPP])
|
|
AC_MSG_CHECKING([for function prototypes])
|
|
if test "$am_cv_prog_cc_stdc" != no; then
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(PROTOTYPES,1,[Define if compiler has function prototypes])
|
|
U= ANSI2KNR=
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
U=_ ANSI2KNR=./ansi2knr
|
|
fi
|
|
# Ensure some checks needed by ansi2knr itself.
|
|
AC_HEADER_STDC
|
|
AC_CHECK_HEADERS(string.h)
|
|
AC_SUBST(U)dnl
|
|
AC_SUBST(ANSI2KNR)dnl
|
|
])
|
|
|
|
|
|
# serial 1
|
|
|
|
# @defmac AC_PROG_CC_STDC
|
|
# @maindex PROG_CC_STDC
|
|
# @ovindex CC
|
|
# If the C compiler in not in ANSI C mode by default, try to add an option
|
|
# to output variable @code{CC} to make it so. This macro tries various
|
|
# options that select ANSI C on some system or another. It considers the
|
|
# compiler to be in ANSI C mode if it handles function prototypes correctly.
|
|
#
|
|
# If you use this macro, you should check after calling it whether the C
|
|
# compiler has been set to accept ANSI C; if not, the shell variable
|
|
# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
|
|
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
|
|
# program @code{ansi2knr}, which comes with Ghostscript.
|
|
# @end defmac
|
|
|
|
AC_DEFUN([AM_PROG_CC_STDC],
|
|
[AC_REQUIRE([AC_PROG_CC])
|
|
AC_BEFORE([$0], [AC_C_INLINE])
|
|
AC_BEFORE([$0], [AC_C_CONST])
|
|
dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
|
|
dnl a magic option to avoid problems with ANSI preprocessor commands
|
|
dnl like #elif.
|
|
dnl FIXME: can't do this because then AC_AIX won't work due to a
|
|
dnl circular dependency.
|
|
dnl AC_BEFORE([$0], [AC_PROG_CPP])
|
|
AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C])
|
|
AC_CACHE_VAL(am_cv_prog_cc_stdc,
|
|
[am_cv_prog_cc_stdc=no
|
|
ac_save_CC="$CC"
|
|
# Don't try gcc -ansi; that turns off useful extensions and
|
|
# breaks some systems' header files.
|
|
# AIX -qlanglvl=ansi
|
|
# Ultrix and OSF/1 -std1
|
|
# HP-UX 10.20 and later -Ae
|
|
# HP-UX older versions -Aa -D_HPUX_SOURCE
|
|
# SVR4 -Xc -D__EXTENSIONS__
|
|
for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
|
|
do
|
|
CC="$ac_save_CC $ac_arg"
|
|
AC_TRY_COMPILE(
|
|
[#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
|
|
struct buf { int x; };
|
|
FILE * (*rcsopen) (struct buf *, struct stat *, int);
|
|
static char *e (p, i)
|
|
char **p;
|
|
int i;
|
|
{
|
|
return p[i];
|
|
}
|
|
static char *f (char * (*g) (char **, int), char **p, ...)
|
|
{
|
|
char *s;
|
|
va_list v;
|
|
va_start (v,p);
|
|
s = g (p, va_arg (v,int));
|
|
va_end (v);
|
|
return s;
|
|
}
|
|
int test (int i, double x);
|
|
struct s1 {int (*f) (int a);};
|
|
struct s2 {int (*f) (double a);};
|
|
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
|
|
int argc;
|
|
char **argv;
|
|
], [
|
|
return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
|
|
],
|
|
[am_cv_prog_cc_stdc="$ac_arg"; break])
|
|
done
|
|
CC="$ac_save_CC"
|
|
])
|
|
if test -z "$am_cv_prog_cc_stdc"; then
|
|
AC_MSG_RESULT([none needed])
|
|
else
|
|
AC_MSG_RESULT([$am_cv_prog_cc_stdc])
|
|
fi
|
|
case "x$am_cv_prog_cc_stdc" in
|
|
x|xno) ;;
|
|
*) CC="$CC $am_cv_prog_cc_stdc" ;;
|
|
esac
|
|
])
|
|
|