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IABSD.fr/xenocara/xserver/acinclude.m4
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dnl dolt, a replacement for libtool dnl Copyright © 2007-2008 Josh Triplett <josh@freedesktop.org> 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 <josh@freedesktop.org> 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 $host in i?86-*-linux*|x86_64-*-linux*|powerpc-*-linux* \ |amd64-*-freebsd*|i?86-*-freebsd*|ia64-*-freebsd*) pic_options='-fPIC' ;; i?86-apple-darwin*) pic_options='-fno-common' ;; *) dolt_supported=no ;; esac if test x$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 "$arg" in --mode=compile) modeok=true ;; --tag=CC|--tag=CXX) tagok=true ;; *) args@<:@${#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 ]) # =========================================================================== # http://autoconf-archive.cryp.to/ac_define_dir.html # =========================================================================== # # SYNOPSIS # # AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION]) # # DESCRIPTION # # This macro sets VARNAME to the expansion of the DIR variable, taking # care of fixing up ${prefix} and such. # # VARNAME is then offered as both an output variable and a C preprocessor # symbol. # # Example: # # AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.]) # # LAST MODIFICATION # # 2008-04-12 # # COPYLEFT # # Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz> # Copyright (c) 2008 Andreas Schwab <schwab@suse.de> # Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> # Copyright (c) 2008 Alexandre Oliva # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. AC_DEFUN([AC_DEFINE_DIR], [ prefix_NONE= exec_prefix_NONE= test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn dnl refers to ${prefix}. Thus we have to use `eval' twice. eval ac_define_dir="\"[$]$2\"" eval ac_define_dir="\"$ac_define_dir\"" AC_SUBST($1, "$ac_define_dir") AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3]) test "$prefix_NONE" && prefix=NONE test "$exec_prefix_NONE" && exec_prefix=NONE ])