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TOMOYO Linux Cross Reference
Linux/tools/lib/symbol/Makefile

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  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   CFLAGS += -O3
 35 endif
 36 
 37 ifeq ($(DEBUG),0)
 38   CFLAGS += -D_FORTIFY_SOURCE
 39 endif
 40 
 41 # Treat warnings as errors unless directed not to
 42 ifneq ($(WERROR),0)
 43   CFLAGS += -Werror
 44 endif
 45 
 46 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 47 
 48 CFLAGS += -I$(srctree)/tools/lib
 49 CFLAGS += -I$(srctree)/tools/include
 50 
 51 RM = rm -f
 52 
 53 SYMBOL_IN := $(OUTPUT)libsymbol-in.o
 54 
 55 ifeq ($(LP64), 1)
 56   libdir_relative = lib64
 57 else
 58   libdir_relative = lib
 59 endif
 60 
 61 prefix ?=
 62 libdir = $(prefix)/$(libdir_relative)
 63 
 64 # Shell quotes
 65 libdir_SQ = $(subst ','\'',$(libdir))
 66 
 67 all:
 68 
 69 export srctree OUTPUT CC LD CFLAGS V
 70 include $(srctree)/tools/build/Makefile.include
 71 include $(srctree)/tools/scripts/Makefile.include
 72 
 73 all: fixdep $(LIBFILE)
 74 
 75 $(SYMBOL_IN): FORCE
 76         @$(MAKE) $(build)=libsymbol
 77 
 78 $(LIBFILE): $(SYMBOL_IN)
 79         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SYMBOL_IN)
 80 
 81 define do_install_mkdir
 82         if [ ! -d '$(DESTDIR_SQ)$1' ]; then             \
 83                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
 84         fi
 85 endef
 86 
 87 define do_install
 88         if [ ! -d '$2' ]; then             \
 89                 $(INSTALL) -d -m 755 '$2'; \
 90         fi;                                \
 91         $(INSTALL) $1 $(if $3,-m $3,) '$2'
 92 endef
 93 
 94 install_lib: $(LIBFILE)
 95         $(call QUIET_INSTALL, $(LIBFILE)) \
 96                 $(call do_install_mkdir,$(libdir_SQ)); \
 97                 cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
 98 
 99 HDRS := kallsyms.h
100 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/symbol
101 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
102 
103 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
104         $(call QUIET_INSTALL, $@) \
105                 $(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
106 
107 install_headers: $(INSTALL_HDRS)
108         $(call QUIET_INSTALL, libsymbol_headers)
109 
110 install: install_lib install_headers
111 
112 clean:
113         $(call QUIET_CLEAN, libsymbol) $(RM) $(LIBFILE); \
114         find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
115 
116 FORCE:
117 
118 .PHONY: clean FORCE

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