tools/lib/subcmd/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 LD ?= $(CROSS_COMPILE)ld
  14 AR ?= $(CROSS_COMPILE)ar
  15
  16 RM = rm -f
  17
  18 MAKEFLAGS += --no-print-directory
  19
  20 INSTALL = install
  21
  22 # Use DESTDIR for installing into a different root directory.
  23 # This is useful for building a package. The program will be
  24 # installed in this directory as if it was the root directory.
  25 # Then the build tool can move it later.
  26 DESTDIR ?=
  27 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
  28
  29 LIBFILE = $(OUTPUT)libsubcmd.a
  30
  31 CFLAGS := -ggdb3 -Wall -Wextra -std=gnu99 -fPIC
  32
  33 ifeq ($(DEBUG),0)
  34   ifeq ($(feature-fortify-source), 1)
  35     CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
  36   endif
  37 endif
  38
  39 ifeq ($(DEBUG),1)
  40   CFLAGS += -O0
  41 else ifeq ($(CC_NO_CLANG), 0)
  42   CFLAGS += -O3
  43 else
  44   CFLAGS += -O6
  45 endif
  46
  47 # Treat warnings as errors unless directed not to
  48 ifneq ($(WERROR),0)
  49   CFLAGS += -Werror
  50 endif
  51
  52 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
  53
  54 CFLAGS += -I$(srctree)/tools/include/
  55
  56 CFLAGS += $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
  57
  58 SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
  59
  60 ifeq ($(LP64), 1)
  61   libdir_relative = lib64
  62 else
  63   libdir_relative = lib
  64 endif
  65
  66 prefix ?=
  67 libdir = $(prefix)/$(libdir_relative)
  68
  69 # Shell quotes
  70 libdir_SQ = $(subst ','\'',$(libdir))
  71
  72 all:
  73
  74 export srctree OUTPUT CC LD CFLAGS V
  75 include $(srctree)/tools/build/Makefile.include
  76
  77 all: fixdep $(LIBFILE)
  78
  79 $(SUBCMD_IN): FORCE
  80         @$(MAKE) $(build)=libsubcmd
  81
  82 $(LIBFILE): $(SUBCMD_IN)
  83         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN)
  84
  85 define do_install_mkdir
  86         if [ ! -d '$(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 := exec-cmd.h help.h pager.h parse-options.h run-command.h
 104 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/subcmd
 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, libsubcmd_headers)
 113
 114 install: install_lib install_headers
 115
 116 clean:
 117         $(call QUIET_CLEAN, libsubcmd) $(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