X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=libgc%2Facinclude.m4;h=bbc2781eab00efaa492b7d458dd88aa1d8d1561e;hb=098e88f3a87205d92516a1fe912b6f84164d0a59;hp=510967b4f4c47e478716417f8d0260de32b9e825;hpb=881f83658281916d8f0784df7c726ecb7cc289db;p=mono.git diff --git a/libgc/acinclude.m4 b/libgc/acinclude.m4 index 510967b4f4c..bbc2781eab0 100644 --- a/libgc/acinclude.m4 +++ b/libgc/acinclude.m4 @@ -1,47 +1,182 @@ -# -# -# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. -# -# Permission is hereby granted to use or copy this program -# for any purpose, provided the above notices are retained on all copies. -# Permission to modify the code and to distribute modified code is granted, -# provided the above notices are retained, and a notice that the code was -# modified is included with the above copyright notice. -# -# Modified by: Grzegorz Jakacki - -# GC_SET_VERSION -# sets and AC_DEFINEs GC_VERSION_MAJOR, GC_VERSION_MINOR and GC_ALPHA_VERSION -# based on the contents of PACKAGE_VERSION; PACKAGE_VERSION must conform to -# [0-9]+[.][0-9]+(alpha[0.9]+)? -# in lex syntax; if there is no alpha number, GC_ALPHA_VERSION is empty -# -AC_DEFUN(GC_SET_VERSION, [ - AC_MSG_CHECKING(GC version numbers) - GC_VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\([[0-9]][[0-9]]*\)[[.]].*$/\1/g'` - GC_VERSION_MINOR=`echo $PACKAGE_VERSION | sed 's/^[[^.]]*[[.]]\([[0-9]][[0-9]]*\).*$/\1/g'` - GC_ALPHA_VERSION=`echo $PACKAGE_VERSION | sed 's/^[[^.]]*[[.]][[0-9]]*//'` - - case "$GC_ALPHA_VERSION" in - alpha*) - GC_ALPHA_VERSION=`echo $GC_ALPHA_VERSION \ - | sed 's/alpha\([[0-9]][[0-9]]*\)/\1/'` ;; - *) GC_ALPHA_MAJOR='' ;; - esac - - if test :$GC_VERSION_MAJOR: = :: \ - -o :$GC_VERSION_MINOR: = :: ; - then - AC_MSG_RESULT(invalid) - AC_MSG_ERROR([nonconforming PACKAGE_VERSION='$PACKAGE_VERSION']) - fi - - AC_DEFINE_UNQUOTED(GC_VERSION_MAJOR, $GC_VERSION_MAJOR) - AC_DEFINE_UNQUOTED(GC_VERSION_MINOR, $GC_VERSION_MINOR) - if test :$GC_ALPHA_VERSION: != :: ; then - AC_DEFINE_UNQUOTED(GC_ALPHA_VERSION, $GC_ALPHA_VERSION) - fi - AC_MSG_RESULT(major=$GC_VERSION_MAJOR minor=$GC_VERSION_MINOR \ -${GC_ALPHA_VERSION:+alpha=}$GC_ALPHA_VERSION) +dnl dolt, a replacement for libtool +dnl Copyright © 2007-2008 Josh Triplett +dnl Copying and distribution of this file, with or without modification, +dnl are permitted in any medium without royalty provided the copyright +dnl notice and this notice are preserved. +dnl +dnl To use dolt, invoke the DOLT macro immediately after the libtool macros. +dnl Optionally, copy this file into acinclude.m4, to avoid the need to have it +dnl installed when running autoconf on your project. + +AC_DEFUN([DOLT], [ +AC_REQUIRE([AC_CANONICAL_HOST]) +# dolt, a replacement for libtool +# Josh Triplett +AC_PATH_PROG(DOLT_BASH, bash) +AC_MSG_CHECKING([if dolt supports this host]) +dolt_supported=yes +if test x$DOLT_BASH = x; then + dolt_supported=no +fi +if test x$GCC != xyes; then + dolt_supported=no +fi +case $host in +i?86-*-linux*|i?86-apple-darwin*|x86_64-*-linux*|powerpc-*-linux*|powerpc64-*-linux* \ +|amd64-*-freebsd*|i?86-*-freebsd*|ia64-*-freebsd*|arm*-*-linux*|sparc*-*-linux*|mips*-*-linux*|x86_64-apple-darwin*|aarch64*) + pic_options='-fPIC' + ;; +?86-pc-cygwin*|i?86-pc-cygwin*|i?86-pc-mingw32*) + pic_options='-DDLL_EXPORT' + ;; +i?86-apple-darwin*|arm-apple-darwin*) + pic_options='-fno-common' + ;; +*) + dolt_supported=no + ;; +esac +if test x$dolt_supported = xno ; then + AC_MSG_RESULT([no, falling back to libtool]) + LTCOMPILE='$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(COMPILE)' + LTCXXCOMPILE='$(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXXCOMPILE)' +else + AC_MSG_RESULT([yes, replacing libtool]) + +dnl Start writing out doltcompile. + cat <<__DOLTCOMPILE__EOF__ >doltcompile +#!$DOLT_BASH +__DOLTCOMPILE__EOF__ + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +args=("$[]@") +for ((arg=0; arg<${#args@<:@@@:>@}; arg++)) ; do + if test x"${args@<:@$arg@:>@}" = x-o ; then + objarg=$((arg+1)) + break + fi +done +if test x$objarg = x ; then + echo 'Error: no -o on compiler command line' 1>&2 + exit 1 +fi +lo="${args@<:@$objarg@:>@}" +obj="${lo%.lo}" +if test x"$lo" = x"$obj" ; then + echo "Error: libtool object file name \"$lo\" does not end in .lo" 1>&2 + exit 1 +fi +objbase="${obj##*/}" +__DOLTCOMPILE__EOF__ + +dnl Write out shared compilation code. + if test x$enable_shared = xyes; then + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +libobjdir="${obj%$objbase}.libs" +if test ! -d "$libobjdir" ; then + mkdir_out="$(mkdir "$libobjdir" 2>&1)" + mkdir_ret=$? + if test "$mkdir_ret" -ne 0 && test ! -d "$libobjdir" ; then + echo "$mkdir_out" 1>&2 + exit $mkdir_ret + fi +fi +pic_object="$libobjdir/$objbase.o" +args@<:@$objarg@:>@="$pic_object" +__DOLTCOMPILE__EOF__ + cat <<__DOLTCOMPILE__EOF__ >>doltcompile +"\${args@<:@@@:>@}" $pic_options -DPIC || exit \$? +__DOLTCOMPILE__EOF__ + fi + +dnl Write out static compilation code. +dnl Avoid duplicate compiler output if also building shared objects. + if test x$enable_static = xyes; then + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +non_pic_object="$obj.o" +args@<:@$objarg@:>@="$non_pic_object" +__DOLTCOMPILE__EOF__ + if test x$enable_shared = xyes; then + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +"${args@<:@@@:>@}" >/dev/null 2>&1 || exit $? +__DOLTCOMPILE__EOF__ + else + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +"${args@<:@@@:>@}" || exit $? +__DOLTCOMPILE__EOF__ + fi + fi + +dnl Write out the code to write the .lo file. +dnl The second line of the .lo file must match "^# Generated by .*libtool" + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +{ +echo "# $lo - a libtool object file" +echo "# Generated by doltcompile, not libtool" +__DOLTCOMPILE__EOF__ + + if test x$enable_shared = xyes; then + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +echo "pic_object='.libs/${objbase}.o'" +__DOLTCOMPILE__EOF__ + else + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +echo pic_object=none +__DOLTCOMPILE__EOF__ + fi + + if test x$enable_static = xyes; then + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +echo "non_pic_object='${objbase}.o'" +__DOLTCOMPILE__EOF__ + else + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +echo non_pic_object=none +__DOLTCOMPILE__EOF__ + fi + + cat <<'__DOLTCOMPILE__EOF__' >>doltcompile +} > "$lo" +__DOLTCOMPILE__EOF__ + +dnl Done writing out doltcompile; substitute it for libtool compilation. + chmod +x doltcompile + LTCOMPILE='$(top_builddir)/doltcompile $(COMPILE)' + LTCXXCOMPILE='$(top_builddir)/doltcompile $(CXXCOMPILE)' + +dnl automake ignores LTCOMPILE and LTCXXCOMPILE when it has separate CFLAGS for +dnl a target, so write out a libtool wrapper to handle that case. +dnl Note that doltlibtool does not handle inferred tags or option arguments +dnl without '=', because automake does not use them. + cat <<__DOLTLIBTOOL__EOF__ > doltlibtool +#!$DOLT_BASH +__DOLTLIBTOOL__EOF__ + cat <<'__DOLTLIBTOOL__EOF__' >>doltlibtool +top_builddir_slash="${0%%doltlibtool}" +: ${top_builddir_slash:=./} +args=() +modeok=false +tagok=false +for arg in "$[]@"; do + case "$arg" in + --silent) ;; + --mode=compile) modeok=true ;; + --tag=CC|--tag=CXX) tagok=true ;; + --quiet) ;; + *) args@<:@${#args[@]}@:>@="$arg" ;; + esac +done +if $modeok && $tagok ; then + . ${top_builddir_slash}doltcompile "${args@<:@@@:>@}" +else + exec ${top_builddir_slash}libtool "$[]@" +fi +__DOLTLIBTOOL__EOF__ + +dnl Done writing out doltlibtool; substitute it for libtool. + chmod +x doltlibtool + LIBTOOL='$(top_builddir)/doltlibtool' +fi +AC_SUBST(LTCOMPILE) +AC_SUBST(LTCXXCOMPILE) +# end dolt ])