ffmpeg/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
  10 ifndef V
  11 Q      = @
  12 ECHO   = printf "$(1)\t%s\n" $(2)
  13 BRIEF  = CC CXX HOSTCC HOSTLD AS YASM AR LD STRIP CP WINDRES
  14 SILENT = DEPCC DEPHOSTCC DEPAS DEPYASM RANLIB RM
  15
  16 MSG    = $@
  17 M      = @$(call ECHO,$(TAG),$@);
  18 $(foreach VAR,$(BRIEF), \
  19     $(eval override $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
  20 $(foreach VAR,$(SILENT),$(eval override $(VAR) = @$($(VAR))))
  21 $(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
  22 endif
  23
  24 ALLFFLIBS = avcodec avdevice avfilter avformat avresample avutil postproc swscale swresample
  25
  26 # NASM requires -I path terminated with /
  27 IFLAGS     := -I. -I$(SRC_PATH)/
  28 CPPFLAGS   := $(IFLAGS) $(CPPFLAGS)
  29 CFLAGS     += $(ECFLAGS)
  30 CCFLAGS     = $(CPPFLAGS) $(CFLAGS)
  31 ASFLAGS    := $(CPPFLAGS) $(ASFLAGS)
  32 CXXFLAGS   += $(CPPFLAGS) $(CFLAGS)
  33 YASMFLAGS  += $(IFLAGS:%=%/) -Pconfig.asm
  34
  35 HOSTCCFLAGS = $(IFLAGS) $(HOSTCPPFLAGS) $(HOSTCFLAGS)
  36 LDFLAGS    := $(ALLFFLIBS:%=$(LD_PATH)lib%) $(LDFLAGS)
  37
  38 define COMPILE
  39        $(call $(1)DEP,$(1))
  40        $($(1)) $($(1)FLAGS) $($(1)_DEPFLAGS) $($(1)_C) $($(1)_O) $<
  41 endef
  42
  43 COMPILE_C = $(call COMPILE,CC)
  44 COMPILE_CXX = $(call COMPILE,CXX)
  45 COMPILE_S = $(call COMPILE,AS)
  46 COMPILE_HOSTC = $(call COMPILE,HOSTCC)
  47
  48 %.o: %.c
  49         $(COMPILE_C)
  50
  51 %.o: %.cpp
  52         $(COMPILE_CXX)
  53
  54 %.o: %.m
  55         $(COMPILE_C)
  56
  57 %.s: %.c
  58         $(CC) $(CPPFLAGS) $(CFLAGS) -S -o $@ $<
  59
  60 %.o: %.S
  61         $(COMPILE_S)
  62
  63 %_host.o: %.c
  64         $(COMPILE_HOSTC)
  65
  66 %.o: %.rc
  67         $(WINDRES) $(IFLAGS) --preprocessor "$(DEPWINDRES) -E -xc-header -DRC_INVOKED $(CC_DEPFLAGS)" -o $@ $<
  68
  69 %.i: %.c
  70         $(CC) $(CCFLAGS) $(CC_E) $<
  71
  72 %.h.c:
  73         $(Q)echo '#include "$*.h"' >$@
  74
  75 %.ver: %.v
  76         $(Q)sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
  77
  78 %.c %.h: TAG = GEN
  79
  80 # Dummy rule to stop make trying to rebuild removed or renamed headers
  81 %.h:
  82         @:
  83
  84 # Disable suffix rules.  Most of the builtin rules are suffix rules,
  85 # so this saves some time on slow systems.
  86 .SUFFIXES:
  87
  88 # Do not delete intermediate files from chains of implicit rules
  89 $(OBJS):
  90 endif
  91
  92 include $(SRC_PATH)/arch.mak
  93
  94 OBJS      += $(OBJS-yes)
  95 SLIBOBJS  += $(SLIBOBJS-yes)
  96 FFLIBS    := $($(NAME)_FFLIBS) $(FFLIBS-yes) $(FFLIBS)
  97 TESTPROGS += $(TESTPROGS-yes)
  98
  99 LDLIBS       = $(FFLIBS:%=%$(BUILDSUF))
 100 FFEXTRALIBS := $(LDLIBS:%=$(LD_LIB)) $(EXTRALIBS)
 101
 102 OBJS      := $(sort $(OBJS:%=$(SUBDIR)%))
 103 SLIBOBJS  := $(sort $(SLIBOBJS:%=$(SUBDIR)%))
 104 TESTOBJS  := $(TESTOBJS:%=$(SUBDIR)%) $(TESTPROGS:%=$(SUBDIR)%-test.o)
 105 TESTPROGS := $(TESTPROGS:%=$(SUBDIR)%-test$(EXESUF))
 106 HOSTOBJS  := $(HOSTPROGS:%=$(SUBDIR)%.o)
 107 HOSTPROGS := $(HOSTPROGS:%=$(SUBDIR)%$(HOSTEXESUF))
 108 TOOLS     += $(TOOLS-yes)
 109 TOOLOBJS  := $(TOOLS:%=tools/%.o)
 110 TOOLS     := $(TOOLS:%=tools/%$(EXESUF))
 111 HEADERS   += $(HEADERS-yes)
 112
 113 PATH_LIBNAME = $(foreach NAME,$(1),lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME))
 114 DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib)))
 115
 116 SRC_DIR    := $(SRC_PATH)/lib$(NAME)
 117 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
 118 SKIPHEADERS += $(ARCH_HEADERS:%=$(ARCH)/%) $(SKIPHEADERS-)
 119 SKIPHEADERS := $(SKIPHEADERS:%=$(SUBDIR)%)
 120 HOBJS        = $(filter-out $(SKIPHEADERS:.h=.h.o),$(ALLHEADERS:.h=.h.o))
 121 checkheaders: $(HOBJS)
 122 .SECONDARY:   $(HOBJS:.o=.c)
 123
 124 alltools: $(TOOLS)
 125
 126 $(HOSTOBJS): %.o: %.c
 127         $(COMPILE_HOSTC)
 128
 129 $(HOSTPROGS): %$(HOSTEXESUF): %.o
 130         $(HOSTLD) $(HOSTLDFLAGS) $(HOSTLD_O) $^ $(HOSTLIBS)
 131
 132 $(OBJS):     | $(sort $(dir $(OBJS)))
 133 $(HOBJS):    | $(sort $(dir $(HOBJS)))
 134 $(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))
 135 $(SLIBOBJS): | $(sort $(dir $(SLIBOBJS)))
 136 $(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
 137 $(TOOLOBJS): | tools
 138
 139 OBJDIRS := $(OBJDIRS) $(dir $(OBJS) $(HOBJS) $(HOSTOBJS) $(SLIBOBJS) $(TESTOBJS))
 140
 141 CLEANSUFFIXES     = *.d *.o *~ *.h.c *.map *.ver *.ho *.gcno *.gcda
 142 DISTCLEANSUFFIXES = *.pc
 143 LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a
 144
 145 define RULES
 146 clean::
 147         $(RM) $(OBJS) $(OBJS:.o=.d)
 148         $(RM) $(HOSTPROGS)
 149         $(RM) $(TOOLS)
 150 endef
 151
 152 $(eval $(RULES))
 153
 154 -include $(wildcard $(OBJS:.o=.d) $(HOSTOBJS:.o=.d) $(TESTOBJS:.o=.d) $(HOBJS:.o=.d) $(SLIBOBJS:.o=.d))