To make it portable to non-glibc systems, that follow the XSI variant instead of the GNU specific one that gets in place when _GNU_SOURCE is defined. 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: Steven Rostedt <rostedt@goodmis.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-mixgnh3iyajuqogn2opsocdy@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1.2 KiB
include ../../scripts/Makefile.include include ../../scripts/utilities.mak # QUIET_CLEAN
ifeq ($(srctree),) srctree := $(patsubst %/,%,$(dir $(shell pwd))) 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) $(EXTRA_CFLAGS) CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
Treat warnings as errors unless directed not to
ifneq ($(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