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 $(SRC_DIR)
  11
  12 ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
  13
  14 CFLAGS = -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
  15          -D_ISOC9X_SOURCE -I$(BUILD_ROOT) -I$(SRC_PATH) -I$(SRC_PATH)/ffmpeg\
  16          $(addprefix -I$(SRC_PATH)/ffmpeg/lib,$(ALLFFLIBS)) $(OPTFLAGS)
  17
  18 %.o: %.c
  19         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  20
  21 %.o: %.S
  22         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  23
  24 %.ho: %.h
  25         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
  26
  27 %.d: %.c
  28         $(DEPEND_CMD) > $@
  29
  30 %.d: %.S
  31         $(DEPEND_CMD) > $@
  32
  33 %.d: %.cpp
  34         $(DEPEND_CMD) > $@
  35
  36 install: install-libs install-headers
  37
  38 uninstall: uninstall-libs uninstall-headers
  39
  40 .PHONY: all depend dep clean distclean install* uninstall* tests
  41 endif
  42
  43 CFLAGS   += $(CFLAGS-yes)
  44 OBJS     += $(OBJS-yes)
  45 ASM_OBJS += $(ASM_OBJS-yes)
  46 CPP_OBJS += $(CPP_OBJS-yes)
  47 FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
  48 TESTS    += $(TESTS-yes)
  49
  50 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  51 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
  52
  53 SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPP_OBJS:.o=.cpp)
  54 OBJS := $(OBJS) $(ASM_OBJS) $(CPP_OBJS)
  55
  56 SRCS  := $(addprefix $(SUBDIR),$(SRCS))
  57 OBJS  := $(addprefix $(SUBDIR),$(OBJS))
  58 TESTS := $(addprefix $(SUBDIR),$(TESTS))
  59
  60 DEP_LIBS:=$(foreach NAME,$(FFLIBS),lib$(NAME)/$($(BUILD_SHARED:yes=S)LIBNAME))
  61
  62 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h))
  63 checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
  64
  65 DEPS := $(OBJS:.o=.d)
  66 depend dep: $(DEPS)
  67
  68 CLEANSUFFIXES = *.o *~ *.ho
  69 LIBSUFFIXES   = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp *.map
  70 DISTCLEANSUFFIXES = *.d
  71
  72 define RULES
  73 $(SUBDIR)%: $(SUBDIR)%.o $(LIBNAME)
  74         $(CC) $(FFLDFLAGS) -o $$@ $$^ $(FFEXTRALIBS)
  75
  76 $(SUBDIR)%-test$(EXESUF): $(SUBDIR)%.c $(LIBNAME)
  77         $(CC) $(CFLAGS) $(FFLDFLAGS) -DTEST -o $$@ $$^ $(FFEXTRALIBS)
  78
  79 clean::
  80         rm -f $(TESTS) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
  81             $(addprefix $(SUBDIR), $(foreach suffix,$(CLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
  82
  83 distclean:: clean
  84         rm -f  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
  85             $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
  86 endef
  87
  88 $(eval $(RULES))
  89
  90 # Clear DIRS variable so that it is not used in other subdirectories.
  91 DIRS =
  92
  93 tests: $(TESTS)
  94
  95 -include $(DEPS)