OSS-Fuzz requires C++-specific flags to link fuzzers. Passing these in
CFLAGS causes lots of build warnings. Using separate FUZZ_CXXFLAGS
avoids this.
Signed-off-by: Josh Steadmon <stead...@google.com>
---
Since there's nothing else using CXXFLAGS, let's just make it explicit
that these apply to the fuzzers.
Range-diff against v1:
1: 1630a93f82 < -: ---------- Makefile: use CXXFLAGS for linking fuzzers
-: ---------- > 1: 6b3d6dd7f0 Makefile: use FUZZ_CXXFLAGS for linking fuzzers
Makefile | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index bbfbb4292d..0c05896797 100644
--- a/Makefile
+++ b/Makefile
@@ -3098,14 +3098,16 @@ 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" \
+# FUZZ_CXXFLAGS="-fsanitize-coverage=trace-pc-guard -fsanitize=address" \
# LIB_FUZZING_ENGINE=/usr/lib/llvm-4.0/lib/libFuzzer.a \
# fuzz-all
#
+FUZZ_CXXFLAGS ?= $(CFLAGS)
+
.PHONY: fuzz-all
$(FUZZ_PROGRAMS): all
- $(QUIET_LINK)$(CXX) $(CFLAGS) $(LIB_OBJS) $(BUILTIN_OBJS) \
+ $(QUIET_LINK)$(CXX) $(FUZZ_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
