138 lines
4.1 KiB
Plaintext
138 lines
4.1 KiB
Plaintext
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
|
|
])
|