common.mak

   1 #
   2 # common bits used by all libraries
   3 #
   4
   5 all: # make "all" default target
   6
   7 ifndef SUBDIR
   8 vpath %.c $(SRC_DIR)
   9 vpath %.h $(SRC_DIR)
  10 vpath %.S $(SRC_DIR)
  11 vpath %.asm $(SRC_DIR)
  12
  13 ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
  14 BUILD_ROOT_REL = .
  15 else
  16 BUILD_ROOT_REL = ..
  17 endif
  18
  19 ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
  20
  21 CFLAGS := -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
  22           -I$(BUILD_ROOT_REL) -I$(SRC_PATH) -I$(SRC_PATH)/ffmpeg $(OPTFLAGS)
  23
  24 %.o: %.c
  25         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ -MD -MP -MF $*.d $<
  26
  27 %.o: %.S
  28         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ -MD -MP -MF $*.d $<
  29
  30 %.ho: %.h
  31         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
  32
  33 %$(EXESUF): %.c
  34
  35 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  36 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  37 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  38 endif
  39
  40 $(BUILD_ROOT_REL)/version.h: $(SRC_PATH_BARE)/version.sh
  41         $< $(SRC_PATH) $@ $(EXTRA_VERSION)
  42
  43 install: install-libs install-headers
  44
  45 uninstall: uninstall-libs uninstall-headers
  46
  47 .PHONY: all depend dep clean distclean install* uninstall* tests
  48 endif
  49
  50 CFLAGS   += $(CFLAGS-yes)
  51 OBJS     += $(OBJS-yes)
  52 FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
  53 TESTS    += $(TESTS-yes)
  54
  55 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  56 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
  57
  58 OBJS  := $(addprefix $(SUBDIR),$(OBJS))
  59 TESTS := $(addprefix $(SUBDIR),$(TESTS))
  60
  61 DEP_LIBS:=$(foreach NAME,$(FFLIBS),lib$(NAME)/$($(BUILD_SHARED:yes=S)LIBNAME))
  62
  63 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
  64 checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
  65
  66 DEPS := $(OBJS:.o=.d)
  67 depend dep: $(DEPS)
  68
  69 CLEANSUFFIXES = *.o *~ *.ho
  70 LIBSUFFIXES   = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp *.map
  71 DISTCLEANSUFFIXES = *.d *.pc
  72
  73 define RULES
  74 $(SUBDIR)%$(EXESUF): $(SUBDIR)%.o
  75         $(CC) $(FFLDFLAGS) -o $$@ $$^ $(SUBDIR)$(LIBNAME) $(FFEXTRALIBS)
  76
  77 $(SUBDIR)%-test.o: $(SUBDIR)%.c
  78         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  79
  80 $(SUBDIR)%-test.o: $(SUBDIR)%-test.c
  81         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  82
  83 $(SUBDIR)x86/%.o: $(SUBDIR)x86/%.asm
  84         $(YASM) $(YASMFLAGS) -I $$(<D)/ -o $$@ $$<
  85         $(YASM) $(YASMFLAGS) -I $$(<D)/ -M -o $$@ $$< > $$(@:%.o=%.d)
  86
  87 clean::
  88         rm -f $(TESTS) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
  89             $(addprefix $(SUBDIR), $(foreach suffix,$(CLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
  90
  91 distclean:: clean
  92         rm -f  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
  93             $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
  94 endef
  95
  96 $(eval $(RULES))
  97
  98 tests: $(TESTS)
  99
 100 -include $(DEPS)