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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-01-09 06:43:11 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-01-09 06:51:51 -0800 |
| commit | 50ad1254d5030d0804cbf89c758359ae202e8d55 (patch) | |
| tree | d99205ba73874f43469734356f4f2d71ff8e428b /configure | |
| parent | a9fd212a2416406f8503efe9e449718d0becfcb2 (diff) | |
| download | binutils-gdb-50ad1254d5030d0804cbf89c758359ae202e8d55.tar.gz | |
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 'configure')
| -rwxr-xr-x | configure | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/configure b/configure index 68779feb42b..4c9297d3782 100755 --- a/configure +++ b/configure @@ -616,6 +616,8 @@ GFORTRAN_FOR_TARGET GCC_FOR_TARGET CXX_FOR_TARGET CC_FOR_TARGET +RANLIB_PLUGIN_OPTION +AR_PLUGIN_OPTION READELF OBJDUMP OBJCOPY @@ -10007,6 +10009,43 @@ fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -plugin option" >&5 +$as_echo_n "checking for -plugin option... " >&6; } + +plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll" +plugin_option= +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 $plugin_so" + break + fi +done +if test -n "$plugin_option"; then + PLUGIN_OPTION="$plugin_option" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_option" >&5 +$as_echo "$plugin_option" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + +AR_PLUGIN_OPTION= +RANLIB_PLUGIN_OPTION= +if test -n "$PLUGIN_OPTION"; then + if $AR --help 2>&1 | grep -q "\--plugin"; then + AR_PLUGIN_OPTION="$PLUGIN_OPTION" + fi + if $RANLIB --help 2>&1 | grep -q "\--plugin"; then + RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION" + fi +fi + + + # Target tools. # Check whether --with-build-time-tools was given. |