tools/lib/symbol/Makefile

   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