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 vpath %.v   $(SRC_DIR)
  13
  14 ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
  15 BUILD_ROOT_REL = .
  16 else
  17 BUILD_ROOT_REL = ..
  18 endif
  19
  20 ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
  21
  22 CPPFLAGS := -DHAVE_AV_CONFIG_H -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(CPPFLAGS)
  23 CFLAGS   += $(ECFLAGS)
  24
  25 %.o: %.c
  26         $(CCDEP)
  27         $(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) -c $(CC_O) $<
  28
  29 %.o: %.S
  30         $(ASDEP)
  31         $(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) -c -o $@ $<
  32
  33 %.ho: %.h
  34         $(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
  35
  36 %$(EXESUF): %.c
  37
  38 %.ver: %.v
  39         sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
  40
  41 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  42 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  43 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  44 endif
  45
  46 $(BUILD_ROOT_REL)/version.h: $(SRC_PATH_BARE)/version.sh config.mak
  47         $< $(SRC_PATH) $@ $(EXTRA_VERSION)
  48
  49 install: install-libs install-headers
  50
  51 uninstall: uninstall-libs uninstall-headers
  52
  53 .PHONY: all depend dep *clean install* uninstall* examples testprogs
  54
  55 # Disable suffix rules.  Most of the builtin rules are suffix rules,
  56 # so this saves some time on slow systems.
  57 .SUFFIXES:
  58
  59 # Do not delete intermediate files from chains of implicit rules
  60 .SECONDARY:
  61 endif
  62
  63 OBJS-$(HAVE_MMX) +=  $(MMX-OBJS-yes)
  64
  65 CFLAGS    += $(CFLAGS-yes)
  66 OBJS      += $(OBJS-yes)
  67 FFLIBS    := $(FFLIBS-yes) $(FFLIBS)
  68 TESTPROGS += $(TESTPROGS-yes)
  69
  70 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  71 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(ALLFFLIBS)) $(LDFLAGS)
  72
  73 EXAMPLES  := $(addprefix $(SUBDIR),$(addsuffix -example$(EXESUF),$(EXAMPLES)))
  74 OBJS      := $(addprefix $(SUBDIR),$(OBJS))
  75 TESTPROGS := $(addprefix $(SUBDIR),$(addsuffix -test$(EXESUF),$(TESTPROGS)))
  76 HOSTOBJS  := $(addprefix $(SUBDIR),$(addsuffix .o,$(HOSTPROGS)))
  77 HOSTPROGS := $(addprefix $(SUBDIR),$(addsuffix $(HOSTEXESUF),$(HOSTPROGS)))
  78
  79 DEP_LIBS := $(foreach NAME,$(FFLIBS),$(BUILD_ROOT_REL)/lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME))
  80
  81 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
  82 SKIPHEADERS = $(addprefix $(SUBDIR),$(SKIPHEADERS-))
  83 checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
  84
  85 $(HOSTOBJS): %.o: %.c
  86         $(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
  87
  88 $(HOSTPROGS): %$(HOSTEXESUF): %.o
  89         $(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
  90
  91 DEPS := $(OBJS:.o=.d)
  92 depend dep: $(DEPS)
  93
  94 CLEANSUFFIXES     = *.d *.o *~ *.ho *.map *.ver
  95 DISTCLEANSUFFIXES = *.pc
  96 LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp
  97
  98 -include $(wildcard $(DEPS))