Makefile: Add fuzz target setup

1 files changed, 22 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index 10af5c8..6ddd223 100644
--- a/Makefile
+++ b/Makefile
@@ -37,6 +37,8 @@ include deps.mk
 
 functional-tests.a   = $(functional-tests.go:.go=.a)
 functional-tests.bin = $(functional-tests.go:.go=.bin)
+fuzz-targets.a       = $(fuzz-targets.go:.go=.a)
+fuzz-targets.bin     = $(fuzz-targets.go:.go=.bin)
 
 cgo.go = \
 	src/_cgo_import.go             \
@@ -67,6 +69,8 @@ derived-assets = \
 	$(functional-tests.a)          \
 	$(functional-tests.bin)        \
 	tests/functional/streq.so      \
+	$(fuzz-targets.a)              \
+	$(fuzz-targets.bin)            \
 
 side-assets = \
 	src/_cgo_export.h              \
@@ -83,6 +87,8 @@ $(derived-assets): Makefile deps.mk
 
 $(cgo.go) $(cgo.c) $(cgo.o): src/_cgo_.o
 
+$(functional-tests.a) $(fuzz-targets.a): src/$(NAME).a
+
 
 src/_cgo_.o: src/$(NAME).go
 	go tool cgo --objdir $(@D) src/$(NAME).go
@@ -107,10 +113,13 @@ tests/main.bin: tests/main.a
 src/version.go: Makefile
 	echo 'package $(NAME); const Version = "$(VERSION)"' > $@
 
-$(functional-tests.a): src/$(NAME).a
-	go tool compile $(GOCFLAGS) -o $@ -p main  -I src   $*.go
+$(functional-tests.a):
+	go tool compile              $(GOCFLAGS) -o $@ -p main  -I src   $*.go
+
+$(fuzz-targets.a):
+	go tool compile -d=libfuzzer $(GOCFLAGS) -o $@ -p main  -I src   $*.go
 
-$(functional-tests.bin):
+$(functional-tests.bin) $(fuzz-targets.bin):
 	go tool link   $(GOLDFLAGS) -o $@ -L src   --extldflags '$(LDLIBS)' $*.a
 
 tests/functional/streq.so: tests/functional/streq.c
@@ -152,6 +161,16 @@ check: check-unit check-integration
 
 
 
+FUZZSEC=1
+fuzz-targets.bin-check = $(fuzz-targets.go:.go=.bin-check)
+$(fuzz-targets.bin-check):
+	$(EXEC)$*.bin --test.fuzztime=$(FUZZSEC)s \
+		--test.fuzz=Fuzz --test.fuzzcachedir=tests/fuzz/corpus
+
+fuzz: $(fuzz-targets.bin-check)
+
+
+
 bench: tests/main.bin
 	$(EXEC)tests/main.bin -test.bench '.*'