diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2021-01-09 17:43:11 +0300 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2022-01-12 16:43:05 +0300 |
| commit | d8d5dac0fe978d9b0eed3726b863d176809983cd (patch) | |
| tree | eb07c3f1fabd7a6316868684f66892dc975789fe /libtool.m4 | |
| parent | 4a3b4d50e33b48b84da6ce473a2b6fa89aa406be (diff) | |
GCC: Pass --plugin to AR and RANLIB
Detect GCC LTO plugin. Pass --plugin to AR and RANLIB to support LTO
build.
* Makefile.tpl (AR): Add @AR_PLUGIN_OPTION@
(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
* configure.ac: Include config/gcc-plugin.m4.
AC_SUBST AR_PLUGIN_OPTION and RANLIB_PLUGIN_OPTION.
* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Pass --plugin to AR and
RANLIB if possible.
* Makefile.in: Regenerated.
* configure: Likewise.
config/
* gcc-plugin.m4 (GCC_PLUGIN_OPTION): New.
libiberty/
* Makefile.in (AR): Add @AR_PLUGIN_OPTION@
(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
(configure_deps): Depend on ../config/gcc-plugin.m4.
* aclocal.m4: Include ../config/gcc-plugin.m4.
* configure.ac: AC_SUBST AR_PLUGIN_OPTION and
RANLIB_PLUGIN_OPTION.
* configure: Regenerated.
zlib/
* configure: Regenerated.
Diffstat (limited to 'libtool.m4')
| -rw-r--r-- | libtool.m4 | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/libtool.m4 b/libtool.m4 index e993b621a..3672e9516 100644 --- a/libtool.m4 +++ b/libtool.m4 @@ -1323,8 +1323,26 @@ need_locks="$enable_libtool_lock" # _LT_CMD_OLD_ARCHIVE # ------------------- m4_defun([_LT_CMD_OLD_ARCHIVE], -[AC_CHECK_TOOL(AR, ar, false) +[plugin_option= +plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll" +for plugin in $plugin_names; do + plugin_so=`${CC} ${CFLAGS} --print-prog-name $plugin` + if test x$plugin_so = x$plugin; then + plugin_so=`${CC} ${CFLAGS} --print-file-name $plugin` + fi + if test x$plugin_so != x$plugin; then + plugin_option="--plugin $plugin_so" + break + fi +done + +AC_CHECK_TOOL(AR, ar, false) test -z "$AR" && AR=ar +if test -n "$plugin_option"; then + if $AR --help 2>&1 | grep -q "\--plugin"; then + AR="$AR $plugin_option" + fi +fi test -z "$AR_FLAGS" && AR_FLAGS=cru _LT_DECL([], [AR], [1], [The archiver]) _LT_DECL([], [AR_FLAGS], [1]) @@ -1335,6 +1353,11 @@ _LT_DECL([], [STRIP], [1], [A symbol stripping program]) AC_CHECK_TOOL(RANLIB, ranlib, :) test -z "$RANLIB" && RANLIB=: +if test -n "$plugin_option" && test "$RANLIB" != ":"; then + if $RANLIB --help 2>&1 | grep -q "\--plugin"; then + RANLIB="$RANLIB $plugin_option" + fi +fi _LT_DECL([], [RANLIB], [1], [Commands used to install an old-style archive]) |