Makefile: Suppress `-Wimplicit-fallthrough` when compiling `lex.yy`

[fio.git] / Makefile

diff --git a/Makefile b/Makefile
index 04c1e0a70f80c45eae285a4b0e86e15d6aa47658..ed66305a202b3a81daf351f06f804ac0588ebb48 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@ PROGS = fio
 SCRIPTS = $(addprefix $(SRCDIR)/,tools/fio_generate_plots tools/plot/fio2gnuplot tools/genfio tools/fiologparser.py tools/hist/fiologparser_hist.py tools/hist/fio-histo-log-pctiles.py tools/fio_jsonplus_clat2csv)
 
 ifndef CONFIG_FIO_NO_OPT
-  FIO_CFLAGS += -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
+  FIO_CFLAGS += -O3
 endif
 ifdef CONFIG_BUILD_NATIVE
   FIO_CFLAGS += -march=native
@@ -99,6 +99,7 @@ endif
 ifdef CONFIG_LIBAIO
   libaio_SRCS = engines/libaio.c
   cmdprio_SRCS = engines/cmdprio.c
+  LIBS += -laio
   libaio_LIBS = -laio
   ENGINES += libaio
 endif
@@ -222,7 +223,12 @@ ifdef CONFIG_LIBZBC
   libzbc_LIBS = -lzbc
   ENGINES += libzbc
 endif
-
+ifdef CONFIG_LIBXNVME
+  xnvme_SRCS = engines/xnvme.c
+  xnvme_LIBS = $(LIBXNVME_LIBS)
+  xnvme_CFLAGS = $(LIBXNVME_CFLAGS)
+  ENGINES += xnvme
+endif
 ifeq ($(CONFIG_TARGET_OS), Linux)
   SOURCE += diskutil.c fifo.c blktrace.c cgroup.c trim.c engines/sg.c \
                oslib/linux-dev-lookup.c engines/io_uring.c
@@ -294,7 +300,7 @@ define engine_template =
 $(1)_OBJS := $$($(1)_SRCS:.c=.o)
 $$($(1)_OBJS): CFLAGS := -fPIC $$($(1)_CFLAGS) $(CFLAGS)
 engines/fio-$(1).so: $$($(1)_OBJS)
-       $$(QUIET_LINK)$(CC) -shared -rdynamic -fPIC -Wl,-soname,fio-$(1).so.1 -o $$@ $$< $$($(1)_LIBS)
+       $$(QUIET_LINK)$(CC) $(LDFLAGS) -shared -rdynamic -fPIC -Wl,-soname,fio-$(1).so.1 -o $$@ $$< $$($(1)_LIBS)
 ENGS_OBJS += engines/fio-$(1).so
 endef
 else # !CONFIG_DYNAMIC_ENGINES
@@ -375,8 +381,7 @@ T_VS_PROGS = t/fio-verify-state
 T_PIPE_ASYNC_OBJS = t/read-to-pipe-async.o
 T_PIPE_ASYNC_PROGS = t/read-to-pipe-async
 
-T_IOU_RING_OBJS = t/io_uring.o
-T_IOU_RING_OBJS += t/arch.o
+T_IOU_RING_OBJS = t/io_uring.o lib/rand.o lib/pattern.o lib/strntol.o
 T_IOU_RING_PROGS = t/io_uring
 
 T_MEMLOCK_OBJS = t/memlock.o
@@ -385,14 +390,16 @@ T_MEMLOCK_PROGS = t/memlock
 T_TT_OBJS = t/time-test.o
 T_TT_PROGS = t/time-test
 
+ifneq (,$(findstring -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION,$(CFLAGS)))
 T_FUZZ_OBJS = t/fuzz/fuzz_parseini.o
 T_FUZZ_OBJS += $(OBJS)
 ifdef CONFIG_ARITHMETIC
 T_FUZZ_OBJS += lex.yy.o y.tab.o
 endif
+# For proper fio code teardown CFLAGS needs to include -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 # in case there is no fuzz driver defined by environment variable LIB_FUZZING_ENGINE, use a simple one
 # For instance, with compiler clang, address sanitizer and libFuzzer as a fuzzing engine, you should define
-# export CFLAGS="-fsanitize=address,fuzzer-no-link"
+# export CFLAGS="-fsanitize=address,fuzzer-no-link -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"
 # export LIB_FUZZING_ENGINE="-fsanitize=address"
 # export CC=clang
 # before running configure && make
@@ -401,6 +408,10 @@ ifndef LIB_FUZZING_ENGINE
 T_FUZZ_OBJS += t/fuzz/onefile.o
 endif
 T_FUZZ_PROGS = t/fuzz/fuzz_parseini
+else   # CFLAGS includes -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+T_FUZZ_OBJS =
+T_FUZZ_PROGS =
+endif
 
 T_OBJS = $(T_SMALLOC_OBJS)
 T_OBJS += $(T_IEEE_OBJS)
@@ -430,7 +441,9 @@ T_TEST_PROGS += $(T_AXMAP_PROGS)
 T_TEST_PROGS += $(T_LFSR_TEST_PROGS)
 T_TEST_PROGS += $(T_GEN_RAND_PROGS)
 T_PROGS += $(T_BTRACE_FIO_PROGS)
+ifdef CONFIG_ZLIB
 T_PROGS += $(T_DEDUPE_PROGS)
+endif
 T_PROGS += $(T_VS_PROGS)
 T_TEST_PROGS += $(T_MEMLOCK_PROGS)
 ifdef CONFIG_PREAD
@@ -522,8 +535,12 @@ else
        $(QUIET_LEX)$(LEX) $<
 endif
 
+ifneq (,$(findstring -Wimplicit-fallthrough,$(CFLAGS)))
+LEX_YY_CFLAGS := -Wno-implicit-fallthrough
+endif
+
 lex.yy.o: lex.yy.c y.tab.h
-       $(QUIET_CC)$(CC) -o $@ $(CFLAGS) $(CPPFLAGS) -c $<
+       $(QUIET_CC)$(CC) -o $@ $(CFLAGS) $(CPPFLAGS) $(LEX_YY_CFLAGS) -c $<
 
 y.tab.o: y.tab.c y.tab.h
        $(QUIET_CC)$(CC) -o $@ $(CFLAGS) $(CPPFLAGS) -c $<
@@ -618,8 +635,10 @@ t/fio-btrace2fio: $(T_BTRACE_FIO_OBJS)
        $(QUIET_LINK)$(CC) $(LDFLAGS) -o $@ $(T_BTRACE_FIO_OBJS) $(LIBS)
 endif
 
+ifdef CONFIG_ZLIB
 t/fio-dedupe: $(T_DEDUPE_OBJS)
        $(QUIET_LINK)$(CC) $(LDFLAGS) -o $@ $(T_DEDUPE_OBJS) $(LIBS)
+endif
 
 t/fio-verify-state: $(T_VS_OBJS)
        $(QUIET_LINK)$(CC) $(LDFLAGS) -o $@ $(T_VS_OBJS) $(LIBS)