From: Roy Marples <roy@marples.name>
Date: Sat, 6 Sep 2008 15:53:31 +0000 (+0000)
Subject: Always test our cc options with a valid input file.
X-Git-Tag: v5.0.0~282
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e63c314dbd5bdbda6e6897504721e789b963df5c;p=thirdparty%2Fdhcpcd.git

Always test our cc options with a valid input file.
---

diff --git a/mk/cc.mk b/mk/cc.mk
index 6ea204c5..56777eb7 100644
--- a/mk/cc.mk
+++ b/mk/cc.mk
@@ -16,16 +16,13 @@ _CCFLAGS=	-Wall -Wextra -Wimplicit -Wshadow -Wformat=2 \
 		-Wmissing-prototypes -Wmissing-declarations \
 		-Wmissing-noreturn -Wmissing-format-attribute \
 		-Wredundant-decls  -Wnested-externs \
-		-Winline -Wwrite-strings -Wcast-align -Wcast-qual -Wpointer-arith \
+		-Winline -Wwrite-strings -Wcast-align -Wcast-qual \
+		-Wpointer-arith \
 		-Wdeclaration-after-statement -Wsequence-point
 _CC_FLAGS_SH=	if ! test -d .git; then echo ""; else for f in ${_CCFLAGS}; do \
-		if ${CC} $$f -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
+		if echo "int main(void) { return 0;} " | \
+		${CC} $$f - -E -o /dev/null >/dev/null 2>&1; \
 		then printf "%s" "$$f "; fi \
 		done; fi
 _CC_FLAGS!=	${_CC_FLAGS_SH}
 CFLAGS+=	${_CC_FLAGS}$(shell ${_CC_FLAGS_SH})
-
-_GGDB_SH=	if test "${DEBUG}" = "yes"; then echo "-ggdb -DDEBUG"; else echo ""; fi
-_GGDB!=		${_GGDB_SH}
-GGDB=		${_GGDB}$(shell ${_GGDB_SH})
-CFLAGS+=	${GGDB}