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-rwxr-xr-xlibiberty/configure37
1 files changed, 37 insertions, 0 deletions
diff --git a/libiberty/configure b/libiberty/configure
index b6af9baf212..5d7aee38903 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -645,6 +645,8 @@ CPPFLAGS
LDFLAGS
CFLAGS
CC
+RANLIB_PLUGIN_OPTION
+AR_PLUGIN_OPTION
RANLIB
AR
host_os
@@ -2932,6 +2934,41 @@ else
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
+$as_echo "no" >&6; }
+fi
+
+if test -n "$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
+
# Add --enable-multilib to configure.
# Default to --enable-multilib
# Check whether --enable-multilib was given.