X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=57de4d4d370bf9f73663b9e1388c29d4c682a754;hb=99a4150f8bbe52591984a85bb86b820e85776b38;hp=32fc5f65ad16a91b847585264d08e65ee46b6a8f;hpb=e4dabd0ef53d766ea2b01478cfabd989b5b77995;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure.in b/ld/configure.in
index 32fc5f65ad..57de4d4d37 100644
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -25,6 +25,27 @@ AC_ARG_ENABLE(64-bit-bfd,
   *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
 esac],[want64=false])dnl
 
+build_warnings="-W -Wall"
+AC_ARG_ENABLE(build-warnings,
+[  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
+[case "${enableval}" in
+  yes)	;;
+  no)	build_warnings="-w";;
+  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
+        build_warnings="${build_warnings} ${t}";;
+  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
+        build_warnings="${t} ${build_warnings}";;
+  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac
+if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
+  echo "Setting warning flags = $build_warnings" 6>&1
+fi])dnl
+WARN_CFLAGS=""
+if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
+    WARN_CFLAGS="${build_warnings}"
+fi
+AC_SUBST(WARN_CFLAGS)
+
 AM_CONFIG_HEADER(config.h:config.in)
 
 if test -z "$target" ; then