AuroraMiddleware/lz4
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[ossfuzz] Fix parallel builds

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With `make -j` multiple builds of `standaloneengine.o` happened in
parallel. Fix this by detecting `standaloneengine.o` and moving it to a
depedency.
This commit is contained in:
Nick Terrell 2020-11-05 10:27:43 -08:00
parent 664427aa8f
commit 073fe18edf
1 changed files with 7 additions and 7 deletions
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14
ossfuzz/Makefile
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@ -26,7 +26,7 @@
# ##########################################################################
LZ4DIR := ../lib
LIB_FUZZING_ENGINE ?= standaloneengine.o
LIB_FUZZING_ENGINE ?=
DEBUGLEVEL?= 1
DEBUGFLAGS = -g -DLZ4_DEBUG=$(DEBUGLEVEL)
@ -59,12 +59,12 @@ $(LZ4DIR)/liblz4.a:
$(CC) -c $(LZ4_CFLAGS) $(LZ4_CPPFLAGS) $< -o $@
# Generic rule for generating fuzzers
%_fuzzer: %_fuzzer.o lz4_helpers.o fuzz_data_producer.o $(LZ4DIR)/liblz4.a
# Compile the standalone code just in case. The OSS-Fuzz code might
# override the LIB_FUZZING_ENGINE value to "-fsanitize=fuzzer"
$(CC) -c $(LZ4_CFLAGS) $(LZ4_CPPFLAGS) standaloneengine.c -o standaloneengine.o
# Now compile the actual fuzzer.
ifeq ($(LIB_FUZZING_ENGINE),)
LIB_FUZZING_DEPS := standaloneengine.o
else
LIB_FUZZING_DEPS :=
endif
%_fuzzer: %_fuzzer.o lz4_helpers.o fuzz_data_producer.o $(LZ4DIR)/liblz4.a $(LIB_FUZZING_DEPS)
$(CXX) $(LZ4_CXXFLAGS) $(LZ4_CPPFLAGS) $(LDFLAGS) $(LIB_FUZZING_ENGINE) $^ -o $@$(EXT)
%_fuzzer_clean: