sim/common/ChangeLog:

[deliverable/binutils-gdb.git] / sim / mn10300 / configure

diff --git a/sim/mn10300/configure b/sim/mn10300/configure
index 30475afc5a7cd9b8148d00e66e2097e6e6708739..b7f37777422037aeb799cbc425d05910ad255559 100755 (executable)
--- a/sim/mn10300/configure
+++ b/sim/mn10300/configure
@@ -7392,7 +7392,18 @@ fi;
 # NOTE: If you add to this list, remember to update
 # gdb/doc/gdbint.texinfo.
 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
--Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
+-Wformat -Wparentheses -Wpointer-arith"
+# GCC supports -Wuninitialized only with -O or -On, n != 0.
+if test x${CFLAGS+set} = xset; then
+  case "${CFLAGS}" in
+    *"-O0"* ) ;;
+    *"-O"* )
+      build_warnings="${build_warnings} -Wuninitialized"
+    ;;
+  esac
+else
+  build_warnings="${build_warnings} -Wuninitialized"
+fi
 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
 # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
 # -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual