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) > $@
  40
  41 %$(EXESUF): %.c
  42
  43 SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
  44 ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
  45 $(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
  46 endif
  47
  48 $(BUILD_ROOT_REL)/version.h:
  49         $(SRC_PATH)/version.sh $(SRC_PATH) $@
  50
  51 install: install-libs install-headers
  52
  53 uninstall: uninstall-libs uninstall-headers
  54
  55 .PHONY: all depend dep clean distclean install* uninstall* tests
  56 endif
  57
  58 CFLAGS   += $(CFLAGS-yes)
  59 OBJS     += $(OBJS-yes)
  60 ASM_OBJS += $(ASM_OBJS-yes)
  61 CPP_OBJS += $(CPP_OBJS-yes)
  62 FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
  63 TESTS    += $(TESTS-yes)
  64
  65 FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
  66 FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
  67
  68 SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPP_OBJS:.o=.cpp)
  69 OBJS := $(OBJS) $(ASM_OBJS) $(CPP_OBJS)
  70
  71 SRCS  := $(addprefix $(SUBDIR),$(SRCS))
  72 OBJS  := $(addprefix $(SUBDIR),$(OBJS))
  73 TESTS := $(addprefix $(SUBDIR),$(TESTS))
  74
  75 DEP_LIBS:=$(foreach NAME,$(FFLIBS),lib$(NAME)/$($(BUILD_SHARED:yes=S)LIBNAME))
  76
  77 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h))
  78 checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
  79
  80 DEPS := $(OBJS:.o=.d)
  81 depend dep: $(DEPS)
  82
  83 CLEANSUFFIXES = *.o *~ *.ho
  84 LIBSUFFIXES   = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp *.map
  85 DISTCLEANSUFFIXES = *.d *.pc
  86
  87 define RULES
  88 $(SUBDIR)%$(EXESUF): $(SUBDIR)%.o
  89         $(CC) $(FFLDFLAGS) -o $$@ $$^ $(SUBDIR)$(LIBNAME) $(FFEXTRALIBS)
  90
  91 $(SUBDIR)%-test.o: $(SUBDIR)%.c
  92         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  93
  94 $(SUBDIR)%-test.o: $(SUBDIR)%-test.c
  95         $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
  96
  97 clean::
  98         rm -f $(TESTS) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
  99             $(addprefix $(SUBDIR), $(foreach suffix,$(CLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 100
 101 distclean:: clean
 102         rm -f  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
 103             $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 104 endef
 105
 106 $(eval $(RULES))
 107
 108 tests: $(TESTS)
 109
 110 -include $(DEPS)