linux_dsm_epyc7002/tools/lib/api/Makefile
Arnaldo Carvalho de Melo 49b3cd306e tools: Set the maximum optimization level according to the compiler being used
To avoid this when using clang:

  warning: optimization level '-O6' is not supported; using '-O3' instead

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-kaghp8ddvzdsg03putemcq96@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-02-14 10:55:27 -03:00

61 lines
1.3 KiB
Makefile

include ../../scripts/Makefile.include
include ../../scripts/utilities.mak # QUIET_CLEAN
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif
CC = $(CROSS_COMPILE)gcc
AR = $(CROSS_COMPILE)ar
LD = $(CROSS_COMPILE)ld
MAKEFLAGS += --no-print-directory
LIBFILE = $(OUTPUT)libapi.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
ifeq ($(CC), clang)
CFLAGS += -O3
else
CFLAGS += -O6
endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
CFLAGS += -Werror
endif
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
CFLAGS += -I$(srctree)/tools/lib/api
CFLAGS += -I$(srctree)/tools/include
RM = rm -f
API_IN := $(OUTPUT)libapi-in.o
all:
export srctree OUTPUT CC LD CFLAGS V
include $(srctree)/tools/build/Makefile.include
all: fixdep $(LIBFILE)
$(API_IN): FORCE
@$(MAKE) $(build)=libapi
$(LIBFILE): $(API_IN)
$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(API_IN)
clean:
$(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \
find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
FORCE:
.PHONY: clean FORCE