1 files changed, 16 insertions, 0 deletions
diff --git a/gold/configure b/gold/configure
index 7fe771c..d0cfc95 100755
--- a/gold/configure
+++ b/gold/configure
@@ -607,6 +607,7 @@ LFS_CFLAGS
 GOLD_LDADD
 GOLD_LDFLAGS
 WARN_CXXFLAGS
+WARN_WRITE_STRINGS
 NO_WERROR
 WARN_CFLAGS
 IFUNC_STATIC_FALSE
@@ -6718,6 +6719,20 @@ fi
 rm -f conftest*
 
 
+# Set WARN_WRITE_STRINGS if the compiler supports -Wwrite-strings.
+WARN_WRITE_STRINGS=""
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-3]$" >/dev/null 2>&1; then :
+
+else
+  WARN_WRITE_STRINGS="-Wwrite-strings"
+fi
+rm -f conftest*
+
 
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
@@ -6778,6 +6793,7 @@ fi
 
 
 
+
 WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//' -e 's/-Wshadow//'`