syscall: Support socket control messages.

[pf3gnuchains/gcc-fork.git] / lto-plugin / configure

diff --git a/lto-plugin/configure b/lto-plugin/configure
index 48b414e..7f1ade1 100755 (executable)
--- a/lto-plugin/configure
+++ b/lto-plugin/configure
@@ -4043,7 +4043,13 @@ fi
 
 ac_lto_plugin_warn_cflags=
 save_CFLAGS="$CFLAGS"
-for option in -Wall; do
+for real_option in -Wall; do
+  # Do the check with the no- prefix removed since gcc silently
+  # accepts any -Wno-* option on purpose
+  case $real_option in
+    -Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;;
+    *) option=$real_option ;;
+  esac
   as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $option" >&5
@@ -4075,7 +4081,7 @@ eval ac_res=\$$as_acx_Woption
               { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
   if test `eval 'as_val=${'$as_acx_Woption'};$as_echo "$as_val"'` = yes; then :
-  ac_lto_plugin_warn_cflags="$ac_lto_plugin_warn_cflags${ac_lto_plugin_warn_cflags:+ }$option"
+  ac_lto_plugin_warn_cflags="$ac_lto_plugin_warn_cflags${ac_lto_plugin_warn_cflags:+ }$real_option"
 fi
   done
 CFLAGS="$save_CFLAGS"
@@ -10538,7 +10544,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10541 "configure"
+#line 10547 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10644,7 +10650,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10647 "configure"
+#line 10653 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H