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) $(OPTFLAGS)
  23
  24 %.o: %.c
  25         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  26
  27 %.o: %.S
  28         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  29
  30 %.ho: %.h
  31         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
  32
  33 %.d: %.c
  34         $(DEPEND_CMD) > $@
  35
  36 %.d: %.S
  37         $(DEPEND_CMD) > $@
  38
  39 %.d: %.cpp
  40         $(DEPEND_CMD) > $@
  41
  42 %.o: %.d
  43
  44 %$(EXESUF): %.c
  45
  46 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  47 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  48 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  49 endif
  50
  51 $(BUILD_ROOT_REL)/version.h:
  52         $(SRC_PATH)/version.sh $(SRC_PATH) $@
  53
  54 install: install-libs install-headers
  55
  56 uninstall: uninstall-libs uninstall-headers
  57
  58 .PHONY: all depend dep clean distclean install* uninstall* tests
  59 endif
  60
  61 CFLAGS   += $(CFLAGS-yes)
  62 OBJS     += $(OBJS-yes)
  63 ASM_OBJS += $(ASM_OBJS-yes)
  64 CPP_OBJS += $(CPP_OBJS-yes)
  65 FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
  66 TESTS    += $(TESTS-yes)
  67
  68 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  69 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
  70
  71 SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPP_OBJS:.o=.cpp)
  72 OBJS := $(OBJS) $(ASM_OBJS) $(CPP_OBJS)
  73
  74 SRCS  := $(addprefix $(SUBDIR),$(SRCS))
  75 OBJS  := $(addprefix $(SUBDIR),$(OBJS))
  76 TESTS := $(addprefix $(SUBDIR),$(TESTS))
  77
  78 DEP_LIBS:=$(foreach NAME,$(FFLIBS),lib$(NAME)/$($(BUILD_SHARED:yes=S)LIBNAME))
  79
  80 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h))
  81 checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
  82
  83 DEPS := $(OBJS:.o=.d)
  84 depend dep: $(DEPS)
  85
  86 CLEANSUFFIXES = *.o *~ *.ho
  87 LIBSUFFIXES   = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp *.map
  88 DISTCLEANSUFFIXES = *.d *.pc
  89
  90 define RULES
  91 $(SUBDIR)%$(EXESUF): $(SUBDIR)%.o
  92         $(CC) $(FFLDFLAGS) -o $$@ $$^ $(SUBDIR)$(LIBNAME) $(FFEXTRALIBS)
  93
  94 $(SUBDIR)%-test.o: $(SUBDIR)%.c
  95         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  96
  97 $(SUBDIR)%-test.o: $(SUBDIR)%-test.c
  98         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  99
 100 $(SUBDIR)i386/%.o: $(SUBDIR)i386/%.asm
 101         $(YASM) $(YASMFLAGS) -I $$(<D)/ -o $$@ $$<
 102
 103 $(SUBDIR)i386/%.d: $(SUBDIR)i386/%.asm
 104         $(YASM) $(YASMFLAGS) -I $$(<D)/ -M -o $$(@:%.d=%.o) $$< > $$@
 105
 106 clean::
 107         rm -f $(TESTS) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
 108             $(addprefix $(SUBDIR), $(foreach suffix,$(CLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 109
 110 distclean:: clean
 111         rm -f  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
 112             $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 113 endef
 114
 115 $(eval $(RULES))
 116
 117 tests: $(TESTS)
 118
 119 -include $(DEPS)