common.mak

   1 #
   2 # common bits used by all libraries
   3 #
   4
   5 # first so "all" becomes default target
   6 all: all-yes
   7
   8 ifndef SUBDIR
   9 vpath %.c   $(SRC_DIR)
  10 vpath %.h   $(SRC_DIR)
  11 vpath %.S   $(SRC_DIR)
  12 vpath %.asm $(SRC_DIR)
  13 vpath %.v   $(SRC_DIR)
  14
  15 ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
  16 BUILD_ROOT_REL = .
  17 else
  18 BUILD_ROOT_REL = ..
  19 endif
  20
  21 ifndef V
  22 Q      = @
  23 ECHO   = printf "$(1)\t%s\n" $(2)
  24 BRIEF  = CC AS YASM AR LD HOSTCC RANLIB STRIP CP
  25 SILENT = DEPCC YASMDEP RM
  26 MSG    = $@
  27 $(foreach VAR,$(BRIEF), \
  28     $(eval $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
  29 $(foreach VAR,$(SILENT),$(eval $(VAR) = @$($(VAR))))
  30 $(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
  31 endif
  32
  33 ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
  34
  35 CPPFLAGS := -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(CPPFLAGS)
  36 CFLAGS   += $(ECFLAGS)
  37
  38 %.o: %.c
  39         $(CCDEP)
  40         $(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) -c $(CC_O) $<
  41
  42 %.o: %.S
  43         $(ASDEP)
  44         $(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) -c -o $@ $<
  45
  46 %.ho: %.h
  47         $(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
  48
  49 %$(EXESUF): %.c
  50
  51 %.ver: %.v
  52         $(Q)sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
  53
  54 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  55 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  56 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  57 endif
  58
  59 $(BUILD_ROOT_REL)/version.h: $(SRC_PATH_BARE)/version.sh config.mak
  60         $< $(SRC_PATH) $@ $(EXTRA_VERSION)
  61
  62 install: install-libs install-headers
  63 install-libs: install-libs-yes
  64
  65 uninstall: uninstall-libs uninstall-headers
  66
  67 .PHONY: all depend dep *clean install* uninstall* examples testprogs
  68
  69 # Disable suffix rules.  Most of the builtin rules are suffix rules,
  70 # so this saves some time on slow systems.
  71 .SUFFIXES:
  72
  73 # Do not delete intermediate files from chains of implicit rules
  74 .SECONDARY:
  75 endif
  76
  77 OBJS-$(HAVE_MMX) +=  $(MMX-OBJS-yes)
  78
  79 CFLAGS    += $(CFLAGS-yes)
  80 OBJS      += $(OBJS-yes)
  81 FFLIBS    := $(FFLIBS-yes) $(FFLIBS)
  82 TESTPROGS += $(TESTPROGS-yes)
  83
  84 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  85 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(ALLFFLIBS)) $(LDFLAGS)
  86
  87 EXAMPLES  := $(addprefix $(SUBDIR),$(addsuffix -example$(EXESUF),$(EXAMPLES)))
  88 OBJS      := $(addprefix $(SUBDIR),$(sort $(OBJS)))
  89 TESTOBJS  := $(addprefix $(SUBDIR),$(TESTOBJS))
  90 TESTPROGS := $(addprefix $(SUBDIR),$(addsuffix -test$(EXESUF),$(TESTPROGS)))
  91 HOSTOBJS  := $(addprefix $(SUBDIR),$(addsuffix .o,$(HOSTPROGS)))
  92 HOSTPROGS := $(addprefix $(SUBDIR),$(addsuffix $(HOSTEXESUF),$(HOSTPROGS)))
  93
  94 DEP_LIBS := $(foreach NAME,$(FFLIBS),$(BUILD_ROOT_REL)/lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME))
  95
  96 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
  97 SKIPHEADERS += $(addprefix $(ARCH)/,$(ARCH_HEADERS))
  98 SKIPHEADERS := $(addprefix $(SUBDIR),$(SKIPHEADERS-) $(SKIPHEADERS))
  99 checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
 100
 101 $(HOSTOBJS): %.o: %.c
 102         $(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
 103
 104 $(HOSTPROGS): %$(HOSTEXESUF): %.o
 105         $(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
 106
 107 DEPS := $(OBJS:.o=.d)
 108 depend dep: $(DEPS)
 109
 110 CLEANSUFFIXES     = *.d *.o *~ *.ho *.map *.ver
 111 DISTCLEANSUFFIXES = *.pc
 112 LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp
 113
 114 -include $(wildcard $(DEPS))