Build: exclude -c flag from TF_CFLAGS
The -c flag should not be included in the global variable TF_CFLAGS;
it should be specified in the build rule only when its target is a
*.o file.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/make_helpers/windows.mk b/make_helpers/windows.mk
index fe5e8c1..c4317d5 100644
--- a/make_helpers/windows.mk
+++ b/make_helpers/windows.mk
@@ -104,6 +104,6 @@
VERSION_STRING_MESSAGE = const char version_string[] = "${VERSION_STRING}";
define MAKE_BUILD_STRINGS
@echo $$(BUILT_TIME_DATE_STRING) $$(VERSION_STRING_MESSAGE) | \
- $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -x c - -o $1
+ $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -x c -c - -o $1
endef