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1# SPDX-License-Identifier: GPL-2.02include ../../scripts/Makefile.include3include ../../scripts/utilities.mak # QUIET_CLEAN4 5ifeq ($(srctree),)6srctree := $(patsubst %/,%,$(dir $(CURDIR)))7srctree := $(patsubst %/,%,$(dir $(srctree)))8srctree := $(patsubst %/,%,$(dir $(srctree)))9#$(info Determined 'srctree' to be $(srctree))10endif11 12CC ?= $(CROSS_COMPILE)gcc13AR ?= $(CROSS_COMPILE)ar14LD ?= $(CROSS_COMPILE)ld15 16MAKEFLAGS += --no-print-directory17 18INSTALL = install19 20 21# Use DESTDIR for installing into a different root directory.22# This is useful for building a package. The program will be23# installed in this directory as if it was the root directory.24# Then the build tool can move it later.25DESTDIR ?=26DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'27 28LIBFILE = $(OUTPUT)libapi.a29 30CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)31CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -fPIC32 33ifeq ($(DEBUG),0)34 CFLAGS += -O335endif36 37ifeq ($(DEBUG),0)38 CFLAGS += -D_FORTIFY_SOURCE39endif40 41# Treat warnings as errors unless directed not to42ifneq ($(WERROR),0)43 CFLAGS += -Werror44endif45 46CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=6447CFLAGS += -I$(srctree)/tools/lib/api48CFLAGS += -I$(srctree)/tools/include49 50RM = rm -f51 52API_IN := $(OUTPUT)libapi-in.o53 54ifeq ($(LP64), 1)55 libdir_relative = lib6456else57 libdir_relative = lib58endif59 60prefix ?=61libdir = $(prefix)/$(libdir_relative)62 63# Shell quotes64libdir_SQ = $(subst ','\'',$(libdir))65 66all:67 68export srctree OUTPUT CC LD CFLAGS V69include $(srctree)/tools/build/Makefile.include70include $(srctree)/tools/scripts/Makefile.include71 72all: fixdep $(LIBFILE)73 74$(API_IN): FORCE75 @$(MAKE) $(build)=libapi76 77$(LIBFILE): $(API_IN)78 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(API_IN)79 80define do_install_mkdir81 if [ ! -d '$(DESTDIR_SQ)$1' ]; then \82 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \83 fi84endef85 86define do_install87 if [ ! -d '$2' ]; then \88 $(INSTALL) -d -m 755 '$2'; \89 fi; \90 $(INSTALL) $1 $(if $3,-m $3,) '$2'91endef92 93install_lib: $(LIBFILE)94 $(call QUIET_INSTALL, $(LIBFILE)) \95 $(call do_install_mkdir,$(libdir_SQ)); \96 cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)97 98HDRS := cpu.h debug.h io.h99FD_HDRS := fd/array.h100FS_HDRS := fs/fs.h fs/tracing_path.h101INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/api102INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))103INSTALL_FD_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FD_HDRS))104INSTALL_FS_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FS_HDRS))105 106$(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h107 $(call QUIET_INSTALL, $@) \108 $(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)109 110$(INSTALL_FD_HDRS): $(INSTALL_HDRS_PFX)/fd/%.h: fd/%.h111 $(call QUIET_INSTALL, $@) \112 $(call do_install,$<,$(INSTALL_HDRS_PFX)/fd/,644)113 114$(INSTALL_FS_HDRS): $(INSTALL_HDRS_PFX)/fs/%.h: fs/%.h115 $(call QUIET_INSTALL, $@) \116 $(call do_install,$<,$(INSTALL_HDRS_PFX)/fs/,644)117 118install_headers: $(INSTALL_HDRS) $(INSTALL_FD_HDRS) $(INSTALL_FS_HDRS)119 $(call QUIET_INSTALL, libapi_headers)120 121install: install_lib install_headers122 123clean:124 $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \125 find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)126 127FORCE:128 129.PHONY: clean FORCE130