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