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 $(SRC_DIR)
  11
  12 ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
  13 BUILD_ROOT_REL = .
  14 else
  15 BUILD_ROOT_REL = ..
  16 endif
  17
  18 ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
  19
  20 CFLAGS := -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
  21           -D_ISOC9X_SOURCE -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(OPTFLAGS)
  22
  23 %.o: %.c
  24         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  25
  26 %.o: %.S
  27         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
  28
  29 %.ho: %.h
  30         $(CC) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
  31
  32 %.d: %.c
  33         $(DEPEND_CMD) > $@
  34
  35 %.d: %.S
  36         $(DEPEND_CMD) > $@
  37
  38 %.d: %.cpp
  39         $(DEPEND_CMD) > $@
  40
  41 %.o: %.d
  42
  43 %$(EXESUF): %.c
  44
  45 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  46 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  47 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  48 endif
  49
  50 $(BUILD_ROOT_REL)/version.h:
  51         $(SRC_PATH)/version.sh $(SRC_PATH) $@
  52
  53 install: install-libs install-headers
  54
  55 uninstall: uninstall-libs uninstall-headers
  56
  57 .PHONY: all depend dep clean distclean install* uninstall* tests
  58 endif
  59
  60 CFLAGS   += $(CFLAGS-yes)
  61 OBJS     += $(OBJS-yes)
  62 ASM_OBJS += $(ASM_OBJS-yes)
  63 CPP_OBJS += $(CPP_OBJS-yes)
  64 FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
  65 TESTS    += $(TESTS-yes)
  66
  67 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  68 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
  69
  70 SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPP_OBJS:.o=.cpp)
  71 OBJS := $(OBJS) $(ASM_OBJS) $(CPP_OBJS)
  72
  73 SRCS  := $(addprefix $(SUBDIR),$(SRCS))
  74 OBJS  := $(addprefix $(SUBDIR),$(OBJS))
  75 TESTS := $(addprefix $(SUBDIR),$(TESTS))
  76
  77 DEP_LIBS:=$(foreach NAME,$(FFLIBS),lib$(NAME)/$($(BUILD_SHARED:yes=S)LIBNAME))
  78
  79 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h))
  80 checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
  81
  82 DEPS := $(OBJS:.o=.d)
  83 depend dep: $(DEPS)
  84
  85 CLEANSUFFIXES = *.o *~ *.ho
  86 LIBSUFFIXES   = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp *.map
  87 DISTCLEANSUFFIXES = *.d *.pc
  88
  89 define RULES
  90 $(SUBDIR)%$(EXESUF): $(SUBDIR)%.o
  91         $(CC) $(FFLDFLAGS) -o $$@ $$^ $(SUBDIR)$(LIBNAME) $(FFEXTRALIBS)
  92
  93 $(SUBDIR)%-test.o: $(SUBDIR)%.c
  94         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  95
  96 $(SUBDIR)%-test.o: $(SUBDIR)%-test.c
  97         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  98
  99 clean::
 100         rm -f $(TESTS) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
 101             $(addprefix $(SUBDIR), $(foreach suffix,$(CLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 102
 103 distclean:: clean
 104         rm -f  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
 105             $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 106 endef
 107
 108 $(eval $(RULES))
 109
 110 tests: $(TESTS)
 111
 112 -include $(DEPS)