configure.ac (gcc_cv_lto_plugin): Determine lto plugin support from plugin linker.
* configure.ac (gcc_cv_lto_plugin): Determine lto plugin support from plugin linker. * configure: Regenerate. From-SVN: r174426
This commit is contained in:
Rainer Orth
Rainer Orth
parent
69940d4d9e
commit
df33b41f11
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@ -1,3 +1,9 @@
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2011-05-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* configure.ac (gcc_cv_lto_plugin): Determine lto plugin support
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from plugin linker.
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* configure: Regenerate.
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2011-05-30 Ira Rosen <ira.rosen@linaro.org>
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PR tree-optimization/49199
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@ -23206,14 +23206,38 @@ fi
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$as_echo_n "checking linker plugin support... " >&6; }
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gcc_cv_lto_plugin=0
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if test -f liblto_plugin.la; then
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if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld"; then
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if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then
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gcc_cv_lto_plugin=2
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elif test "$ld_is_gold" = yes -a "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -eq 20; then
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gcc_cv_lto_plugin=1
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save_ld_ver="$ld_ver"
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save_ld_vers_major="$ld_vers_major"
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save_ld_vers_minor="$ld_vers_minor"
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save_ld_is_gold="$ld_is_gold"
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ld_is_gold=no
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if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld"; then
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ld_ver="GNU ld"
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# FIXME: ld_is_gold?
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ld_vers_major="$gcc_cv_gld_major_version"
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ld_vers_minor="$gcc_cv_gld_minor_version"
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else
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# Determine plugin linker version.
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# FIXME: Partial duplicate from above, generalize.
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ld_ver=`$ORIGINAL_PLUGIN_LD_FOR_TARGET --version 2>/dev/null | sed 1q`
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if echo "$ld_ver" | grep GNU > /dev/null; then
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if echo "$ld_ver" | grep "GNU gold" > /dev/null; then
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ld_is_gold=yes
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ld_vers=`echo $ld_ver | sed -n \
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-e 's,^[^)]*[ ]\([0-9][0-9]*\.[0-9][0-9]*[^)]*\)) .*$,\1,p'`
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else
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ld_vers=`echo $ld_ver | sed -n \
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-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'`
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fi
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ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
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ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
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fi
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elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld" && echo "$ld_ver" | grep GNU > /dev/null; then
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fi
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# Determine plugin support.
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if echo "$ld_ver" | grep GNU > /dev/null; then
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# Require GNU ld or gold 2.21+ for plugin support by default.
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if test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 21; then
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gcc_cv_lto_plugin=2
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@ -23221,11 +23245,12 @@ if test -f liblto_plugin.la; then
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elif test "$ld_is_gold" = yes -a "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 20; then
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gcc_cv_lto_plugin=1
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fi
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elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" != x"$gcc_cv_ld"; then
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# Allow -fuse-linker-plugin if plugin linker differs from
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# default/specified linker.
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gcc_cv_lto_plugin=1
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fi
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ld_ver="$save_ld_ver"
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ld_vers_major="$save_ld_vers_major"
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ld_vers_minor="$save_ld_vers_minor"
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ld_is_gold="$save_ld_is_gold"
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fi
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cat >>confdefs.h <<_ACEOF
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@ -3249,14 +3249,40 @@ fi
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AC_MSG_CHECKING(linker plugin support)
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gcc_cv_lto_plugin=0
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if test -f liblto_plugin.la; then
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if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld"; then
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if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then
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gcc_cv_lto_plugin=2
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elif test "$ld_is_gold" = yes -a "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -eq 20; then
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gcc_cv_lto_plugin=1
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save_ld_ver="$ld_ver"
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save_ld_vers_major="$ld_vers_major"
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save_ld_vers_minor="$ld_vers_minor"
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save_ld_is_gold="$ld_is_gold"
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ld_is_gold=no
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if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld"; then
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ld_ver="GNU ld"
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# FIXME: ld_is_gold?
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ld_vers_major="$gcc_cv_gld_major_version"
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ld_vers_minor="$gcc_cv_gld_minor_version"
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else
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# Determine plugin linker version.
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# FIXME: Partial duplicate from above, generalize.
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changequote(,)dnl
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ld_ver=`$ORIGINAL_PLUGIN_LD_FOR_TARGET --version 2>/dev/null | sed 1q`
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if echo "$ld_ver" | grep GNU > /dev/null; then
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if echo "$ld_ver" | grep "GNU gold" > /dev/null; then
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ld_is_gold=yes
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ld_vers=`echo $ld_ver | sed -n \
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-e 's,^[^)]*[ ]\([0-9][0-9]*\.[0-9][0-9]*[^)]*\)) .*$,\1,p'`
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else
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ld_vers=`echo $ld_ver | sed -n \
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-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'`
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fi
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ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
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ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
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fi
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elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld" && echo "$ld_ver" | grep GNU > /dev/null; then
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changequote([,])dnl
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fi
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# Determine plugin support.
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if echo "$ld_ver" | grep GNU > /dev/null; then
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# Require GNU ld or gold 2.21+ for plugin support by default.
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if test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 21; then
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gcc_cv_lto_plugin=2
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@ -3264,11 +3290,12 @@ if test -f liblto_plugin.la; then
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elif test "$ld_is_gold" = yes -a "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 20; then
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gcc_cv_lto_plugin=1
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fi
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elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" != x"$gcc_cv_ld"; then
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# Allow -fuse-linker-plugin if plugin linker differs from
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# default/specified linker.
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gcc_cv_lto_plugin=1
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fi
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ld_ver="$save_ld_ver"
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ld_vers_major="$save_ld_vers_major"
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ld_vers_minor="$save_ld_vers_minor"
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ld_is_gold="$save_ld_is_gold"
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fi
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AC_DEFINE_UNQUOTED(HAVE_LTO_PLUGIN, $gcc_cv_lto_plugin,
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[Define to the level of your linker's plugin support.])
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