diff --git a/configure b/configure
index c65b5f6..e32f188 100755
--- a/configure
+++ b/configure
@@ -1154,17 +1154,20 @@ if test -z "$werror" ; then
     fi
 fi
 
+# GCC flags
 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
 gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
 gcc_flags="-fstack-protector-all -Wendif-labels $gcc_flags"
+# Clang flags
+clang_flags="-Wno-initializer-overrides -Wno-self-assign -Wno-constant-conversion"
 if test "$werror" = "yes" ; then
     gcc_flags="-Werror $gcc_flags"
 fi
 cat > $TMPC << EOF
 int main(void) { return 0; }
 EOF
-for flag in $gcc_flags; do
+for flag in $gcc_flags $clang_flags; do
     if compile_prog "-Werror $flag" "" ; then
 	QEMU_CFLAGS="$QEMU_CFLAGS $flag"
     fi