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 $host in i?86-*-linux*|x86_64-*-linux*|powerpc-*-linux*) ;; amd64-*-freebsd*|i?86-*-freebsd*|ia64-*-freebsd*) ;; *) dolt_supported=no ;; esac if test x$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@:>@="$pic_object" "${args@<:@@@:>@}" -fPIC -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='$pic_object'" __DOLTCOMPILE__EOF__ else cat <<'__DOLTCOMPILE__EOF__' >>doltcompile echo pic_object=none __DOLTCOMPILE__EOF__ fi if test x$enable_static = xyes; then cat <<'__DOLTCOMPILE__EOF__' >>doltcompile echo "non_pic_object='$non_pic_object'" __DOLTCOMPILE__EOF__ else cat <<'__DOLTCOMPILE__EOF__' >>doltcompile echo non_pic_object=none __DOLTCOMPILE__EOF__ fi cat <<'__DOLTCOMPILE__EOF__' >>doltcompile } > "$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)' fi AC_SUBST(LTCOMPILE) AC_SUBST(LTCXXCOMPILE) # end dolt ])