Makefile.include 2.4 KB

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  1. ifneq ($(O),)
  2. ifeq ($(origin O), command line)
  3. dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
  4. ABSOLUTE_O := $(shell cd $(O) ; pwd)
  5. OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
  6. COMMAND_O := O=$(ABSOLUTE_O)
  7. ifeq ($(objtree),)
  8. objtree := $(O)
  9. endif
  10. endif
  11. endif
  12. # check that the output directory actually exists
  13. ifneq ($(OUTPUT),)
  14. OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
  15. $(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
  16. endif
  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. ifneq ($(findstring $(MAKEFLAGS), w),w)
  41. PRINT_DIR = --no-print-directory
  42. else
  43. NO_SUBDIR = :
  44. endif
  45. #
  46. # Define a callable command for descending to a new directory
  47. #
  48. # Call by doing: $(call descend,directory[,target])
  49. #
  50. descend = \
  51. +mkdir -p $(OUTPUT)$(1) && \
  52. $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2)
  53. QUIET_SUBDIR0 = +$(MAKE) $(COMMAND_O) -C # space to separate -C and subdir
  54. QUIET_SUBDIR1 =
  55. ifneq ($(findstring $(MAKEFLAGS),s),s)
  56. ifneq ($(V),1)
  57. QUIET_CC = @echo ' CC '$@;
  58. QUIET_CC_FPIC = @echo ' CC FPIC '$@;
  59. QUIET_AR = @echo ' AR '$@;
  60. QUIET_LINK = @echo ' LINK '$@;
  61. QUIET_MKDIR = @echo ' MKDIR '$@;
  62. QUIET_GEN = @echo ' GEN '$@;
  63. QUIET_SUBDIR0 = +@subdir=
  64. QUIET_SUBDIR1 = ;$(NO_SUBDIR) \
  65. echo ' SUBDIR '$$subdir; \
  66. $(MAKE) $(PRINT_DIR) -C $$subdir
  67. QUIET_FLEX = @echo ' FLEX '$@;
  68. QUIET_BISON = @echo ' BISON '$@;
  69. descend = \
  70. +@echo ' DESCEND '$(1); \
  71. mkdir -p $(OUTPUT)$(1) && \
  72. $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2)
  73. QUIET_CLEAN = @printf ' CLEAN %s\n' $1;
  74. QUIET_INSTALL = @printf ' INSTALL %s\n' $1;
  75. endif
  76. endif