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 LIBFILE = $(OUTPUT)libapi.a
  19
  20 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
  21 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -fPIC
  22
  23 ifeq ($(DEBUG),0)
  24 ifeq ($(CC_NO_CLANG), 0)
  25   CFLAGS += -O3
  26 else
  27   CFLAGS += -O6
  28 endif
  29 endif
  30
  31 ifeq ($(DEBUG),0)
  32   CFLAGS += -D_FORTIFY_SOURCE
  33 endif
  34
  35 # Treat warnings as errors unless directed not to
  36 ifneq ($(WERROR),0)
  37   CFLAGS += -Werror
  38 endif
  39
  40 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
  41 CFLAGS += -I$(srctree)/tools/lib/api
  42 CFLAGS += -I$(srctree)/tools/include
  43
  44 RM = rm -f
  45
  46 API_IN := $(OUTPUT)libapi-in.o
  47
  48 all:
  49
  50 export srctree OUTPUT CC LD CFLAGS V
  51 include $(srctree)/tools/build/Makefile.include
  52
  53 all: fixdep $(LIBFILE)
  54
  55 $(API_IN): FORCE
  56         @$(MAKE) $(build)=libapi
  57
  58 $(LIBFILE): $(API_IN)
  59         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(API_IN)
  60
  61 clean:
  62         $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \
  63         find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
  64
  65 FORCE:
  66
  67 .PHONY: clean FORCE