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),$(SRC_PATH_BARE))
  15 BUILD_ROOT_REL = .
  16 else
  17 BUILD_ROOT_REL = ..
  18 endif
  19
  20 ifndef V
  21 Q      = @
  22 ECHO   = printf "$(1)\t%s\n" $(2)
  23 BRIEF  = CC AS YASM AR LD HOSTCC RANLIB STRIP CP
  24 SILENT = DEPCC YASMDEP RM
  25 MSG    = $@
  26 $(foreach VAR,$(BRIEF), \
  27     $(eval $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
  28 $(foreach VAR,$(SILENT),$(eval $(VAR) = @$($(VAR))))
  29 $(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
  30 endif
  31
  32 ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
  33
  34 CPPFLAGS := -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(CPPFLAGS)
  35 CFLAGS   += $(ECFLAGS)
  36
  37 %.o: %.c
  38         $(CCDEP)
  39         $(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) -c $(CC_O) $<
  40
  41 %.o: %.S
  42         $(ASDEP)
  43         $(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) -c -o $@ $<
  44
  45 %.ho: %.h
  46         $(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
  47
  48 %$(EXESUF): %.c
  49
  50 %.ver: %.v
  51         $(Q)sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
  52
  53 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  54 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  55 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  56 endif
  57
  58 $(BUILD_ROOT_REL)/version.h: $(SRC_PATH_BARE)/version.sh config.mak
  59         $< $(SRC_PATH) $@ $(EXTRA_VERSION)
  60
  61 install: install-libs install-headers
  62
  63 uninstall: uninstall-libs uninstall-headers
  64
  65 .PHONY: all depend dep *clean install* uninstall* examples testprogs
  66
  67 # Disable suffix rules.  Most of the builtin rules are suffix rules,
  68 # so this saves some time on slow systems.
  69 .SUFFIXES:
  70
  71 # Do not delete intermediate files from chains of implicit rules
  72 .SECONDARY:
  73 endif
  74
  75 OBJS-$(HAVE_MMX) +=  $(MMX-OBJS-yes)
  76
  77 CFLAGS    += $(CFLAGS-yes)
  78 OBJS      += $(OBJS-yes)
  79 FFLIBS    := $(FFLIBS-yes) $(FFLIBS)
  80 TESTPROGS += $(TESTPROGS-yes)
  81
  82 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  83 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(ALLFFLIBS)) $(LDFLAGS)
  84
  85 EXAMPLES  := $(addprefix $(SUBDIR),$(addsuffix -example$(EXESUF),$(EXAMPLES)))
  86 OBJS      := $(addprefix $(SUBDIR),$(OBJS))
  87 TESTPROGS := $(addprefix $(SUBDIR),$(addsuffix -test$(EXESUF),$(TESTPROGS)))
  88 HOSTOBJS  := $(addprefix $(SUBDIR),$(addsuffix .o,$(HOSTPROGS)))
  89 HOSTPROGS := $(addprefix $(SUBDIR),$(addsuffix $(HOSTEXESUF),$(HOSTPROGS)))
  90
  91 DEP_LIBS := $(foreach NAME,$(FFLIBS),$(BUILD_ROOT_REL)/lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME))
  92
  93 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
  94 SKIPHEADERS = $(addprefix $(SUBDIR),$(SKIPHEADERS-))
  95 checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
  96
  97 $(HOSTOBJS): %.o: %.c
  98         $(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
  99
 100 $(HOSTPROGS): %$(HOSTEXESUF): %.o
 101         $(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
 102
 103 DEPS := $(OBJS:.o=.d)
 104 depend dep: $(DEPS)
 105
 106 CLEANSUFFIXES     = *.d *.o *~ *.ho *.map *.ver
 107 DISTCLEANSUFFIXES = *.pc
 108 LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp
 109
 110 -include $(wildcard $(DEPS))