tools/lib/api/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)libapi.a
  29
  30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
  31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -fPIC
  32
  33 ifeq ($(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 CFLAGS += -I$(srctree)/tools/lib/api
  48 CFLAGS += -I$(srctree)/tools/include
  49
  50 RM = rm -f
  51
  52 API_IN := $(OUTPUT)libapi-in.o
  53
  54 ifeq ($(LP64), 1)
  55   libdir_relative = lib64
  56 else
  57   libdir_relative = lib
  58 endif
  59
  60 prefix ?=
  61 libdir = $(prefix)/$(libdir_relative)
  62
  63 # Shell quotes
  64 libdir_SQ = $(subst ','\'',$(libdir))
  65
  66 all:
  67
  68 export srctree OUTPUT CC LD CFLAGS V
  69 include $(srctree)/tools/build/Makefile.include
  70 include $(srctree)/tools/scripts/Makefile.include
  71
  72 all: fixdep $(LIBFILE)
  73
  74 $(API_IN): FORCE
  75         @$(MAKE) $(build)=libapi
  76
  77 $(LIBFILE): $(API_IN)
  78         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(API_IN)
  79
  80 define do_install_mkdir
  81         if [ ! -d '$(DESTDIR_SQ)$1' ]; then             \
  82                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
  83         fi
  84 endef
  85
  86 define do_install
  87         if [ ! -d '$2' ]; then             \
  88                 $(INSTALL) -d -m 755 '$2'; \
  89         fi;                                \
  90         $(INSTALL) $1 $(if $3,-m $3,) '$2'
  91 endef
  92
  93 install_lib: $(LIBFILE)
  94         $(call QUIET_INSTALL, $(LIBFILE)) \
  95                 $(call do_install_mkdir,$(libdir_SQ)); \
  96                 cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
  97
  98 HDRS := cpu.h debug.h io.h
  99 FD_HDRS := fd/array.h
 100 FS_HDRS := fs/fs.h fs/tracing_path.h
 101 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/api
 102 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
 103 INSTALL_FD_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FD_HDRS))
 104 INSTALL_FS_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FS_HDRS))
 105
 106 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
 107         $(call QUIET_INSTALL, $@) \
 108                 $(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
 109
 110 $(INSTALL_FD_HDRS): $(INSTALL_HDRS_PFX)/fd/%.h: fd/%.h
 111         $(call QUIET_INSTALL, $@) \
 112                 $(call do_install,$<,$(INSTALL_HDRS_PFX)/fd/,644)
 113
 114 $(INSTALL_FS_HDRS): $(INSTALL_HDRS_PFX)/fs/%.h: fs/%.h
 115         $(call QUIET_INSTALL, $@) \
 116                 $(call do_install,$<,$(INSTALL_HDRS_PFX)/fs/,644)
 117
 118 install_headers: $(INSTALL_HDRS) $(INSTALL_FD_HDRS) $(INSTALL_FS_HDRS)
 119         $(call QUIET_INSTALL, libapi_headers)
 120
 121 install: install_lib install_headers
 122
 123 clean:
 124         $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \
 125         find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
 126
 127 FORCE:
 128
 129 .PHONY: clean FORCE