📄 aclocal.m4
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# generated automatically by aclocal 1.10.2 -*- Autoconf -*-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,# 2005, 2006, 2007, 2008 Free Software Foundation, Inc.# This file is free software; the Free Software Foundation# gives unlimited permission to copy and/or distribute it,# with or without modifications, as long as this notice is preserved.# This program is distributed in the hope that it will be useful,# but WITHOUT ANY WARRANTY, to the extent permitted by law; without# even the implied warranty of MERCHANTABILITY or FITNESS FOR A# PARTICULAR PURPOSE.m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnlm4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.63],,[m4_warning([this file was generated for autoconf 2.63.You have another version of autoconf. It may work, but is not guaranteed to.If you have problems, you may need to regenerate the build system entirely.To do so, use the procedure documented by the package, typically `autoreconf'.])])# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.## This file is free software; the Free Software Foundation# gives unlimited permission to copy and/or distribute it,# with or without modifications, as long as this notice is preserved.# AM_AUTOMAKE_VERSION(VERSION)# ----------------------------# Automake X.Y traces this macro to ensure aclocal.m4 has been# generated from the m4 files accompanying Automake X.Y.# (This private macro should not be called outside this file.)AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version='1.10'dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way todnl require some minimum version. 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In other projects, it is set to# `$srcdir', `$srcdir/..', or `$srcdir/../..'.## Of course, Automake must honor this variable whenever it calls a# tool from the auxiliary directory. The problem is that $srcdir (and# therefore $ac_aux_dir as well) can be either absolute or relative,# depending on how configure is run. This is pretty annoying, since# it makes $ac_aux_dir quite unusable in subdirectories: in the top# source directory, any form will work fine, but in subdirectories a# relative path needs to be adjusted first.## $ac_aux_dir/missing# fails when called from a subdirectory if $ac_aux_dir is relative# $top_srcdir/$ac_aux_dir/missing# fails if $ac_aux_dir is absolute,# fails when called from a subdirectory in a VPATH build with# a relative $ac_aux_dir## The reason of the latter failure is that $top_srcdir and $ac_aux_dir# are both prefixed by $srcdir. 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Also note that it means that autoscan, seeing# CC etc. in the Makefile, will ask for an AC_PROG_CC use...# _AM_DEPENDENCIES(NAME)# ----------------------# See how the compiler implements dependency checking.# NAME is "CC", "CXX", "GCJ", or "OBJC".# We try a few techniques and use that to set a single cache variable.## We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular# dependency, and given that the user is not expected to run this macro,# just rely on AC_PROG_CC.AC_DEFUN([_AM_DEPENDENCIES],[AC_REQUIRE([AM_SET_DEPDIR])dnlAC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnlAC_REQUIRE([AM_MAKE_INCLUDE])dnlAC_REQUIRE([AM_DEP_TRACK])dnlifelse([$1], CC, [depcc="$CC" am_compiler_list=], [$1], CXX, [depcc="$CXX" am_compiler_list=], [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'], [$1], UPC, [depcc="$UPC" am_compiler_list=], [$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'], [depcc="$$1" am_compiler_list=])AC_CACHE_CHECK([dependency style of $depcc], [am_cv_$1_dependencies_compiler_type],[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then # We make a subdir and do the tests there. 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For instance # both Tru64's cc and ICC support -MD to output dependencies as a # side effect of compilation, but ICC will put the dependencies in # the current directory while Tru64 will put them in the object # directory. mkdir sub am_cv_$1_dependencies_compiler_type=none if test "$am_compiler_list" = ""; then am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp` fi for depmode in $am_compiler_list; do # Setup a source with many dependencies, because some compilers # like to wrap large dependency lists on column 80 (with \), and # we should not choose a depcomp mode which is confused by this. # # We need to recreate these files for each test, as the compiler may # overwrite some of them when testing with obscure command lines. # This happens at least with the AIX C compiler. : > sub/conftest.c for i in 1 2 3 4 5 6; do echo '#include "conftst'$i'.h"' >> sub/conftest.c # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with # Solaris 8's {/usr,}/bin/sh. touch sub/conftst$i.h done echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf case $depmode in nosideeffect) # after this tag, mechanisms are not by side-effect, so they'll # only be used when explicitly requested if test "x$enable_dependency_tracking" = xyes; then continue else break fi ;; none) break ;; esac # We check with `-c' and `-o' for the sake of the "dashmstdout" # mode. It turns out that the SunPro C++ compiler does not properly # handle `-M -o', and we need to detect this. if depmode=$depmode \ source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ >/dev/null 2>conftest.err && grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && ${MAKE-make} -s -f confmf > /dev/null 2>&1; then # icc doesn't choke on unknown options, it will just issue warnings # or remarks (even with -Werror). So we grep stderr for any message # that says an option was ignored or not supported. # When given -MP, icc 7.0 and 7.1 complain thusly: # icc: Command line warning: ignoring option '-M'; no argument required # The diagnosis changed in icc 8.0: # icc: Command line remark: option '-MP' not supported if (grep 'ignoring option' conftest.err || grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else am_cv_$1_dependencies_compiler_type=$depmode break fi fi done cd .. rm -rf conftest.direlse am_cv_$1_dependencies_compiler_type=nonefi])AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])AM_CONDITIONAL([am__fastdep$1], [ test "x$enable_dependency_tracking" != xno \ && test "$am_cv_$1_dependencies_compiler_type" = gcc3])])# AM_SET_DEPDIR# -------------# Choose a directory name for dependency files.# This macro is AC_REQUIREd in _AM_DEPENDENCIESAC_DEFUN([AM_SET_DEPDIR],[AC_REQUIRE([AM_SET_LEADING_DOT])dnlAC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl])# AM_DEP_TRACK# ------------AC_DEFUN([AM_DEP_TRACK],[AC_ARG_ENABLE(dependency-tracking,[ --disable-dependency-tracking speeds up one-time build
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