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 LIBFILE = $(OUTPUT)libsubcmd.a
  21
  22 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
  23 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
  24
  25 ifeq ($(CC_NO_CLANG), 0)
  26   CFLAGS += -O3
  27 else
  28   CFLAGS += -O6
  29 endif
  30
  31 # Treat warnings as errors unless directed not to
  32 ifneq ($(WERROR),0)
  33   CFLAGS += -Werror
  34 endif
  35
  36 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
  37
  38 CFLAGS += -I$(srctree)/tools/include/
  39
  40 SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
  41
  42 all:
  43
  44 export srctree OUTPUT CC LD CFLAGS V
  45 include $(srctree)/tools/build/Makefile.include
  46
  47 all: fixdep $(LIBFILE)
  48
  49 $(SUBCMD_IN): FORCE
  50         @$(MAKE) $(build)=libsubcmd
  51
  52 $(LIBFILE): $(SUBCMD_IN)
  53         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN)
  54
  55 clean:
  56         $(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \
  57         find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
  58
  59 FORCE:
  60
  61 .PHONY: clean FORCE