Sync with binutils: GCC: Pass --plugin to AR and RANLIB

[thirdparty/gcc.git] / libiberty / configure

diff --git a/libiberty/configure b/libiberty/configure
index 0a797255c70c00f66a569c98ef2ddaa97d21e9f0..6dd1d119b889ee1ea4b0505e889fd6a72d44743a 100755 (executable)
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -645,6 +645,8 @@ CPPFLAGS
 LDFLAGS
 CFLAGS
 CC
+RANLIB_PLUGIN_OPTION
+AR_PLUGIN_OPTION
 RANLIB
 AR
 host_os
@@ -2935,6 +2937,41 @@ 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.