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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 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

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