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),$(SRC_PATH_BARE))
  14 BUILD_ROOT_REL = .
  15 else
  16 BUILD_ROOT_REL = ..
  17 endif
  18
  19 ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
  20
  21 CFLAGS := -DHAVE_AV_CONFIG_H -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(OPTFLAGS)
  22
  23 %.o: %.c
  24         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  25
  26 %.o: %.S
  27         $(AS) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  28
  29 %.ho: %.h
  30         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
  31
  32 %.d: %.c
  33         $(DEPEND_CMD) > $@
  34
  35 %.d: %.S
  36         $(DEPEND_CMD) > $@
  37
  38 %.d: %.cpp
  39         $(DEPEND_CMD) > $@
  40
  41 %.o: %.d
  42
  43 %$(EXESUF): %.c
  44
  45 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  46 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  47 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  48 endif
  49
  50 $(BUILD_ROOT_REL)/version.h: $(SRC_PATH_BARE)/version.sh config.mak
  51         $< $(SRC_PATH) $@ $(EXTRA_VERSION)
  52
  53 install: install-libs install-headers
  54
  55 uninstall: uninstall-libs uninstall-headers
  56
  57 .PHONY: all depend dep *clean install* uninstall* examples testprogs
  58 endif
  59
  60 CFLAGS   += $(CFLAGS-yes)
  61 OBJS     += $(OBJS-yes)
  62 FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
  63 TESTPROGS    += $(TESTPROGS-yes)
  64
  65 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  66 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
  67
  68 EXAMPLES := $(addprefix $(SUBDIR),$(EXAMPLES))
  69 OBJS  := $(addprefix $(SUBDIR),$(OBJS))
  70 TESTPROGS := $(addprefix $(SUBDIR),$(TESTPROGS))
  71
  72 DEP_LIBS:=$(foreach NAME,$(FFLIBS),lib$(NAME)/$($(BUILD_SHARED:yes=S)LIBNAME))
  73
  74 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
  75 checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
  76
  77 DEPS := $(OBJS:.o=.d)
  78 depend dep: $(DEPS)
  79
  80 CLEANSUFFIXES = *.o *~ *.ho
  81 LIBSUFFIXES   = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp *.map
  82 DISTCLEANSUFFIXES = *.d *.pc
  83
  84 define RULES
  85 $(SUBDIR)%$(EXESUF): $(SUBDIR)%.o
  86         $(CC) $(FFLDFLAGS) -o $$@ $$^ $(SUBDIR)$(LIBNAME) $(FFEXTRALIBS)
  87
  88 $(SUBDIR)%-test.o: $(SUBDIR)%.c
  89         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  90
  91 $(SUBDIR)%-test.o: $(SUBDIR)%-test.c
  92         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  93
  94 $(SUBDIR)x86/%.o: $(SUBDIR)x86/%.asm
  95         $(YASM) $(YASMFLAGS) -I $$(<D)/ -o $$@ $$<
  96
  97 $(SUBDIR)x86/%.d: $(SUBDIR)x86/%.asm
  98         $(YASM) $(YASMFLAGS) -I $$(<D)/ -M -o $$(@:%.d=%.o) $$< > $$@
  99
 100 clean::
 101         rm -f $(EXAMPLES) $(TESTPROGS) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
 102             $(addprefix $(SUBDIR), $(foreach suffix,$(CLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 103
 104 distclean:: clean
 105         rm -f  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
 106             $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 107 endef
 108
 109 $(eval $(RULES))
 110
 111 examples: $(EXAMPLES)
 112 testprogs: $(TESTPROGS)
 113
 114 -include $(DEPS)