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 = $(OUTPUT)libsubcmd.a
  21
  22 CFLAGS := -ggdb3 -Wall -Wextra -std=gnu99 -fPIC
  23
  24 ifeq ($(DEBUG),0)
  25   ifeq ($(feature-fortify-source), 1)
  26     CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
  27   endif
  28 endif
  29
  30 ifeq ($(CC_NO_CLANG), 0)
  31   CFLAGS += -O3
  32 else
  33   CFLAGS += -O6
  34 endif
  35
  36 # Treat warnings as errors unless directed not to
  37 ifneq ($(WERROR),0)
  38   CFLAGS += -Werror
  39 endif
  40
  41 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
  42
  43 CFLAGS += -I$(srctree)/tools/include/
  44
  45 CFLAGS += $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
  46
  47 SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
  48
  49 all:
  50
  51 export srctree OUTPUT CC LD CFLAGS V
  52 include $(srctree)/tools/build/Makefile.include
  53
  54 all: fixdep $(LIBFILE)
  55
  56 $(SUBCMD_IN): FORCE
  57         @$(MAKE) $(build)=libsubcmd
  58
  59 $(LIBFILE): $(SUBCMD_IN)
  60         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN)
  61
  62 clean:
  63         $(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \
  64         find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
  65
  66 FORCE:
  67
  68 .PHONY: clean FORCE