OSS-Fuzz requires C++-specific flags to link fuzzers. Passing these in
CFLAGS causes lots of build warnings. Using separate CXXFLAGS avoids
this.
Signed-off-by: Josh Steadmon <stead...@google.com>
---
Makefile | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index bbfbb4292d..5462bc4b6b 100644
--- a/Makefile
+++ b/Makefile
@@ -497,6 +497,7 @@ GIT-VERSION-FILE: FORCE
# CFLAGS and LDFLAGS are for the users to override from the command line.
CFLAGS = -g -O2 -Wall
+CXXFLAGS ?= $(CFLAGS)
LDFLAGS =
ALL_CFLAGS = $(CPPFLAGS) $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)
@@ -3098,14 +3099,14 @@ cover_db_html: cover_db
# An example command to build against libFuzzer from LLVM 4.0.0:
#
# make CC=clang CXX=clang++ \
-# CFLAGS="-fsanitize-coverage=trace-pc-guard -fsanitize=address" \
+# CXXFLAGS="-fsanitize-coverage=trace-pc-guard -fsanitize=address" \
# LIB_FUZZING_ENGINE=/usr/lib/llvm-4.0/lib/libFuzzer.a \
# fuzz-all
#
.PHONY: fuzz-all
$(FUZZ_PROGRAMS): all
- $(QUIET_LINK)$(CXX) $(CFLAGS) $(LIB_OBJS) $(BUILTIN_OBJS) \
+ $(QUIET_LINK)$(CXX) $(CXXFLAGS) $(LIB_OBJS) $(BUILTIN_OBJS) \
$(XDIFF_OBJS) $(EXTLIBS) git.o $@.o $(LIB_FUZZING_ENGINE) -o $@
fuzz-all: $(FUZZ_PROGRAMS)
--
2.19.1.930.g4563a0d9d0-goog
