import gc6.1alpha5
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# Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved.
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# 
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# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
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# OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
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# 
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# Permission is hereby granted to use or copy this program
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# for any purpose,  provided the above notices are retained on all copies.
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# Permission to modify the code and to distribute modified code is granted,
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# provided the above notices are retained, and a notice that the code was
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# modified is included with the above copyright notice.
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#
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# Original author: Tom Tromey
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# FIXME: We temporarily define our own version of AC_PROG_CC.  This is
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# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
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# are probably using a cross compiler, which will not be able to fully
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# link an executable.  This should really be fixed in autoconf
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# itself.
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AC_DEFUN(GC_CONFIGURE,
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[
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dnl Default to --enable-multilib
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AC_ARG_ENABLE(multilib,
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[  --enable-multilib       build many library versions (default)],
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[case "${enableval}" in
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  yes) multilib=yes ;;
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  no)  multilib=no ;;
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  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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 esac], [multilib=yes])dnl
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dnl We may get other options which we don't document:
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dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
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dnl I needed to add the -n test to allow configuration in src directory - HB
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if test "[$]{srcdir}" = "."; then
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  if test "[$]{with_target_subdir}" != "." -a -n "[$]{with_target_subdir}"; then
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    gc_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
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  else
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    gc_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
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  fi
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else
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  gc_basedir="[$]{srcdir}/$1"
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fi
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AC_SUBST(gc_basedir)
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AC_CONFIG_AUX_DIR($gc_basedir)
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AC_CANONICAL_SYSTEM
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AM_INIT_AUTOMAKE(gc, 6.0, no-define)
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# FIXME: We temporarily define our own version of AC_PROG_CC.  This is
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# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
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# are probably using a cross compiler, which will not be able to fully
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# link an executable.  This should really be fixed in autoconf
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# itself.
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AC_DEFUN(LIB_AC_PROG_CC,
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[AC_BEFORE([$0], [AC_PROG_CPP])dnl
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dnl Fool anybody using AC_PROG_CC.
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AC_PROVIDE([AC_PROG_CC])
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AC_CHECK_PROG(CC, gcc, gcc)
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if test -z "$CC"; then
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  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
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  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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fi
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AC_PROG_CC_GNU
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if test $ac_cv_prog_gcc = yes; then
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  GCC=yes
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dnl Check whether -g works, even if CFLAGS is set, in case the package
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dnl plays around with CFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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  ac_test_CFLAGS="${CFLAGS+set}"
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  ac_save_CFLAGS="$CFLAGS"
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  CFLAGS=
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  AC_PROG_CC_G
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  if test "$ac_test_CFLAGS" = set; then
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    CFLAGS="$ac_save_CFLAGS"
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  elif test $ac_cv_prog_cc_g = yes; then
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    CFLAGS="-g -O2"
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  else
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    CFLAGS="-O2"
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  fi
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else
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  GCC=
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  test "${CFLAGS+set}" = set || CFLAGS="-g"
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fi
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])
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LIB_AC_PROG_CC
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# Likewise for AC_PROG_CXX.
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AC_DEFUN(LIB_AC_PROG_CXX,
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[AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
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dnl Fool anybody using AC_PROG_CXX.
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AC_PROVIDE([AC_PROG_CXX])
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AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
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test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
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AC_PROG_CXX_GNU
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if test $ac_cv_prog_gxx = yes; then
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  GXX=yes
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dnl Check whether -g works, even if CXXFLAGS is set, in case the package
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dnl plays around with CXXFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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  ac_test_CXXFLAGS="${CXXFLAGS+set}"
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  ac_save_CXXFLAGS="$CXXFLAGS"
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  CXXFLAGS=
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  AC_PROG_CXX_G
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  if test "$ac_test_CXXFLAGS" = set; then
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    CXXFLAGS="$ac_save_CXXFLAGS"
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  elif test $ac_cv_prog_cxx_g = yes; then
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    CXXFLAGS="-g -O2"
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  else
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    CXXFLAGS="-O2"
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  fi
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else
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  GXX=
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  test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
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fi
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])
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LIB_AC_PROG_CXX
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# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD).  If we don't
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# run it explicitly here, it will be run implicitly before
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# NEWLIB_CONFIGURE, which doesn't work because that means that it will
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# be run before AC_CANONICAL_HOST.
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AC_CANONICAL_BUILD
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AC_CHECK_TOOL(AS, as)
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_PROG_INSTALL
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AM_MAINTAINER_MODE
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# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
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# at least currently, we never actually build a program, so we never
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# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
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# fails, because we are probably configuring with a cross compiler
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# which can't create executables.  So we include AC_EXEEXT to keep
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# automake happy, but we don't execute it, since we don't care about
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# the result.
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if false; then
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  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
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  # to nothing, so nothing would remain between `then' and `fi' if it
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  # were not for the `:' below.
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  :
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  AC_EXEEXT
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fi
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. [$]{srcdir}/configure.host
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case [$]{gc_basedir} in
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/* | [A-Za-z]:[/\\]*) gc_flagbasedir=[$]{gc_basedir} ;;
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*) gc_flagbasedir='[$](top_builddir)/'[$]{gc_basedir} ;;
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esac
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gc_cflags="[$]{gc_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{gc_flagbasedir}/libc/include"
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case "${host}" in
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  *-*-cygwin32*)
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    gc_cflags="[$]{gc_cflags} -I[$]{gc_flagbasedir}/../winsup/include"
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    ;;
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esac
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dnl gc_cflags="[$]{gc_cflags} -fno-builtin"
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GC_CFLAGS=${gc_cflags}
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AC_SUBST(GC_CFLAGS)
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]))
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))))
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sinclude(libtool.m4)
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dnl The line below arranges for aclocal not to bring a definition of
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dnl AM_PROG_LIBTOOL into aclocal.m4, while still arranging for automake
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dnl to add a definition of LIBTOOL to Makefile.in.
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ifelse(yes,no,[AC_DEFUN([AM_PROG_LIBTOOL],[AC_SUBST(LIBTOOL)])])
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