tools/scripts/Makefile.include

   1 ifeq ($(origin O), command line)
   2         dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
   3         ABSOLUTE_O := $(shell cd $(O) ; pwd)
   4         OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
   5         COMMAND_O := O=$(ABSOLUTE_O)
   6 ifeq ($(objtree),)
   7         objtree := $(O)
   8 endif
   9 endif
  10
  11 ifneq ($(OUTPUT),)
  12 # check that the output directory actually exists
  13 OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
  14 $(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
  15 endif
  16
  17 #
  18 # Include saner warnings here, which can catch bugs:
  19 #
  20 EXTRA_WARNINGS := -Wbad-function-cast
  21 EXTRA_WARNINGS += -Wdeclaration-after-statement
  22 EXTRA_WARNINGS += -Wformat-security
  23 EXTRA_WARNINGS += -Wformat-y2k
  24 EXTRA_WARNINGS += -Winit-self
  25 EXTRA_WARNINGS += -Wmissing-declarations
  26 EXTRA_WARNINGS += -Wmissing-prototypes
  27 EXTRA_WARNINGS += -Wnested-externs
  28 EXTRA_WARNINGS += -Wno-system-headers
  29 EXTRA_WARNINGS += -Wold-style-definition
  30 EXTRA_WARNINGS += -Wpacked
  31 EXTRA_WARNINGS += -Wredundant-decls
  32 EXTRA_WARNINGS += -Wshadow
  33 EXTRA_WARNINGS += -Wstrict-aliasing=3
  34 EXTRA_WARNINGS += -Wstrict-prototypes
  35 EXTRA_WARNINGS += -Wswitch-default
  36 EXTRA_WARNINGS += -Wswitch-enum
  37 EXTRA_WARNINGS += -Wundef
  38 EXTRA_WARNINGS += -Wwrite-strings
  39 EXTRA_WARNINGS += -Wformat
  40
  41 ifneq ($(findstring $(MAKEFLAGS), w),w)
  42 PRINT_DIR = --no-print-directory
  43 else
  44 NO_SUBDIR = :
  45 endif
  46
  47 #
  48 # Define a callable command for descending to a new directory
  49 #
  50 # Call by doing: $(call descend,directory[,target])
  51 #
  52 descend = \
  53         +mkdir -p $(OUTPUT)$(1) && \
  54         $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2)
  55
  56 QUIET_SUBDIR0  = +$(MAKE) $(COMMAND_O) -C # space to separate -C and subdir
  57 QUIET_SUBDIR1  =
  58
  59 ifneq ($(findstring $(MAKEFLAGS),s),s)
  60 ifndef V
  61         QUIET_CC       = @echo '   ' CC $@;
  62         QUIET_AR       = @echo '   ' AR $@;
  63         QUIET_LINK     = @echo '   ' LINK $@;
  64         QUIET_MKDIR    = @echo '   ' MKDIR $@;
  65         QUIET_GEN      = @echo '   ' GEN $@;
  66         QUIET_SUBDIR0  = +@subdir=
  67         QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
  68                          $(MAKE) $(PRINT_DIR) -C $$subdir
  69         QUIET_FLEX     = @echo '   ' FLEX $@;
  70         QUIET_BISON    = @echo '   ' BISON $@;
  71
  72         descend = \
  73                 @echo '   ' DESCEND $(1); \
  74                 mkdir -p $(OUTPUT)$(1) && \
  75                 $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2)
  76 endif
  77 endif