1 # SPDX-License-Identifier: GPL-2.0 2 include ../../scripts/Makefile.include 3 include ../../scripts/utilities.mak # QUIET_CLEAN 4 5 ifeq ($(srctree),) 6 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 7 srctree := $(patsubst %/,%,$(dir $(srctree))) 8 srctree := $(patsubst %/,%,$(dir $(srctree))) 9 #$(info Determined 'srctree' to be $(srctree)) 10 endif 11 12 CC ?= $(CROSS_COMPILE)gcc 13 AR ?= $(CROSS_COMPILE)ar 14 LD ?= $(CROSS_COMPILE)ld 15 16 MAKEFLAGS += --no-print-directory 17 18 INSTALL = install 19 20 21 # Use DESTDIR for installing into a different root directory. 22 # This is useful for building a package. The program will be 23 # installed in this directory as if it was the root directory. 24 # Then the build tool can move it later. 25 DESTDIR ?= 26 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' 27 28 LIBFILE = $(OUTPUT)libsymbol.a 29 30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) 31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu11 -U_FORTIFY_SOURCE -fPIC 32 33 ifeq ($(DEBUG),0) 34 ifeq ($(CC_NO_CLANG), 0) 35 CFLAGS += -O3 36 else 37 CFLAGS += -O6 38 endif 39 endif 40 41 ifeq ($(DEBUG),0) 42 CFLAGS += -D_FORTIFY_SOURCE 43 endif 44 45 # Treat warnings as errors unless directed not to 46 ifneq ($(WERROR),0) 47 CFLAGS += -Werror 48 endif 49 50 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 51 52 CFLAGS += -I$(srctree)/tools/lib 53 CFLAGS += -I$(srctree)/tools/include 54 55 RM = rm -f 56 57 SYMBOL_IN := $(OUTPUT)libsymbol-in.o 58 59 ifeq ($(LP64), 1) 60 libdir_relative = lib64 61 else 62 libdir_relative = lib 63 endif 64 65 prefix ?= 66 libdir = $(prefix)/$(libdir_relative) 67 68 # Shell quotes 69 libdir_SQ = $(subst ','\'',$(libdir)) 70 71 all: 72 73 export srctree OUTPUT CC LD CFLAGS V 74 include $(srctree)/tools/build/Makefile.include 75 include $(srctree)/tools/scripts/Makefile.include 76 77 all: fixdep $(LIBFILE) 78 79 $(SYMBOL_IN): FORCE 80 @$(MAKE) $(build)=libsymbol 81 82 $(LIBFILE): $(SYMBOL_IN) 83 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SYMBOL_IN) 84 85 define do_install_mkdir 86 if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ 87 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ 88 fi 89 endef 90 91 define do_install 92 if [ ! -d '$2' ]; then \ 93 $(INSTALL) -d -m 755 '$2'; \ 94 fi; \ 95 $(INSTALL) $1 $(if $3,-m $3,) '$2' 96 endef 97 98 install_lib: $(LIBFILE) 99 $(call QUIET_INSTALL, $(LIBFILE)) \ 100 $(call do_install_mkdir,$(libdir_SQ)); \ 101 cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ) 102 103 HDRS := kallsyms.h 104 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/symbol 105 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS)) 106 107 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h 108 $(call QUIET_INSTALL, $@) \ 109 $(call do_install,$<,$(INSTALL_HDRS_PFX)/,644) 110 111 install_headers: $(INSTALL_HDRS) 112 $(call QUIET_INSTALL, libsymbol_headers) 113 114 install: install_lib install_headers 115 116 clean: 117 $(call QUIET_CLEAN, libsymbol) $(RM) $(LIBFILE); \ 118 find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) 119 120 FORCE: 121 122 .PHONY: clean FORCE
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.