cosmetics: make all references to AC-3 capitalized and hyphenated
[ffmpeg.git] / common.mak
index 750edbf..93176c5 100644 (file)
@@ -2,47 +2,23 @@
 # common bits used by all libraries
 #
 
-SRC_DIR = $(SRC_PATH_BARE)/lib$(NAME)
-
-LIBVERSION = $(lib$(NAME)_VERSION)
-LIBMAJOR   = $(lib$(NAME)_VERSION_MAJOR)
+all: # make "all" default target
 
+ifndef SUBDIR
 vpath %.c $(SRC_DIR)
 vpath %.h $(SRC_DIR)
 vpath %.S $(SRC_DIR)
 
-ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
+ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
+BUILD_ROOT_REL = .
+else
+BUILD_ROOT_REL = ..
+endif
 
-CFLAGS   += $(CFLAGS-yes)
-OBJS     += $(OBJS-yes)
-ASM_OBJS += $(ASM_OBJS-yes)
-CPP_OBJS += $(CPP_OBJS-yes)
-FFLIBS   += $(FFLIBS-yes)
-
-CFLAGS += -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
-          -D_ISOC9X_SOURCE -I$(BUILD_ROOT) -I$(SRC_PATH) \
-          $(addprefix -I$(SRC_PATH)/lib,$(ALLFFLIBS)) $(OPTFLAGS)
-
-EXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
-LDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
-
-SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPP_OBJS:.o=.cpp)
-OBJS := $(OBJS) $(ASM_OBJS) $(CPP_OBJS)
-
-all: $(LIBNAME) $(SLIBNAME)
-
-$(LIBNAME): $(OBJS)
-       rm -f $@
-       $(AR) rc $@ $^ $(EXTRAOBJS)
-       $(RANLIB) $@
-
-$(SLIBNAME): $(SLIBNAME_WITH_MAJOR)
-       $(LN_S) $^ $@
+ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
 
-$(SLIBNAME_WITH_MAJOR): $(OBJS)
-       $(SLIB_CREATE_DEF_CMD)
-       $(CC) $(SHFLAGS) $(LDFLAGS) -o $@ $^ $(EXTRALIBS) $(EXTRAOBJS)
-       $(SLIB_EXTRA_CMD)
+CFLAGS := -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
+          -D_ISOC9X_SOURCE -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(OPTFLAGS)
 
 %.o: %.c
        $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
@@ -50,75 +26,87 @@ $(SLIBNAME_WITH_MAJOR): $(OBJS)
 %.o: %.S
        $(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
 
-%: %.o $(LIBNAME)
-       $(CC) $(LDFLAGS) -o $@ $^ $(EXTRALIBS)
-
 %.ho: %.h
        $(CC) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
 
-ALLHEADERS = $(subst $(SRC_DIR)/,,$(wildcard $(SRC_DIR)/*.h))
-checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
+%.d: %.c
+       $(DEPEND_CMD) > $@
 
-depend dep: .depend
+%.d: %.S
+       $(DEPEND_CMD) > $@
 
-.depend: $(SRCS)
-       $(DEPEND_CMD) > .depend
+%.d: %.cpp
+       $(DEPEND_CMD) > $@
 
-clean::
-       rm -f *.o *~ *.a *.lib *.so *.so.* *.dylib *.dll \
-             *.def *.dll.a *.exp *.ho *.map $(TESTS)
+%.o: %.d
 
-distclean:: clean
-       rm -f .depend
+%$(EXESUF): %.c
 
-INSTALL_LIB_TARGETS-$(BUILD_SHARED) += install-lib-shared
-INSTALL_LIB_TARGETS-$(BUILD_STATIC) += install-lib-static
+SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
+ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
+$(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
+endif
+
+$(BUILD_ROOT_REL)/version.h:
+       $(SRC_PATH)/version.sh $(SRC_PATH) $@
 
 install: install-libs install-headers
 
-install-libs: $(INSTALL_LIB_TARGETS-yes)
+uninstall: uninstall-libs uninstall-headers
 
-install-lib-shared: $(SLIBNAME)
-       install -d "$(SHLIBDIR)"
-       install -m 755 $(SLIBNAME) "$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
-       $(STRIP) "$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
-       cd "$(SHLIBDIR)" && \
-               $(LN_S) $(SLIBNAME_WITH_VERSION) $(SLIBNAME_WITH_MAJOR)
-       cd "$(SHLIBDIR)" && \
-               $(LN_S) $(SLIBNAME_WITH_VERSION) $(SLIBNAME)
-       $(SLIB_INSTALL_EXTRA_CMD)
+.PHONY: all depend dep clean distclean install* uninstall* tests
+endif
 
-install-lib-static: $(LIBNAME)
-       install -d "$(LIBDIR)"
-       install -m 644 $(LIBNAME) "$(LIBDIR)"
-       $(LIB_INSTALL_EXTRA_CMD)
+CFLAGS   += $(CFLAGS-yes)
+OBJS     += $(OBJS-yes)
+ASM_OBJS += $(ASM_OBJS-yes)
+CPP_OBJS += $(CPP_OBJS-yes)
+FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
+TESTS    += $(TESTS-yes)
 
-INCINSTDIR = $(INCDIR)/lib$(NAME)
+FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
+FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
 
-install-headers::
-       install -d "$(INCINSTDIR)"
-       install -d "$(LIBDIR)/pkgconfig"
-       install -m 644 $(addprefix "$(SRC_DIR)"/,$(HEADERS)) "$(INCINSTDIR)"
-       install -m 644 $(BUILD_ROOT)/lib$(NAME).pc "$(LIBDIR)/pkgconfig"
+SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPP_OBJS:.o=.cpp)
+OBJS := $(OBJS) $(ASM_OBJS) $(CPP_OBJS)
 
-uninstall: uninstall-libs uninstall-headers
+SRCS  := $(addprefix $(SUBDIR),$(SRCS))
+OBJS  := $(addprefix $(SUBDIR),$(OBJS))
+TESTS := $(addprefix $(SUBDIR),$(TESTS))
 
-uninstall-libs::
-       -rm -f "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR)" \
-              "$(SHLIBDIR)/$(SLIBNAME)"            \
-              "$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
-       -$(SLIB_UNINSTALL_EXTRA_CMD)
-       -rm -f "$(LIBDIR)/$(LIBNAME)"
+DEP_LIBS:=$(foreach NAME,$(FFLIBS),lib$(NAME)/$($(BUILD_SHARED:yes=S)LIBNAME))
 
-uninstall-headers::
-       rm -f $(addprefix "$(INCINSTDIR)/",$(HEADERS))
-       rm -f "$(LIBDIR)/pkgconfig/lib$(NAME).pc"
+ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h))
+checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
 
-tests: $(TESTS)
+DEPS := $(OBJS:.o=.d)
+depend dep: $(DEPS)
 
-%-test$(EXESUF): %.c $(LIBNAME)
-       $(CC) $(CFLAGS) $(LDFLAGS) -DTEST -o $@ $^ $(EXTRALIBS)
+CLEANSUFFIXES = *.o *~ *.ho
+LIBSUFFIXES   = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp *.map
+DISTCLEANSUFFIXES = *.d *.pc
 
-.PHONY: all depend dep clean distclean install* uninstall* tests
+define RULES
+$(SUBDIR)%$(EXESUF): $(SUBDIR)%.o
+       $(CC) $(FFLDFLAGS) -o $$@ $$^ $(SUBDIR)$(LIBNAME) $(FFEXTRALIBS)
+
+$(SUBDIR)%-test.o: $(SUBDIR)%.c
+       $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
+
+$(SUBDIR)%-test.o: $(SUBDIR)%-test.c
+       $(CC) $(CFLAGS) -DTEST -c -o $$@ $$^
+
+clean::
+       rm -f $(TESTS) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
+           $(addprefix $(SUBDIR), $(foreach suffix,$(CLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
+
+distclean:: clean
+       rm -f  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
+            $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
+endef
+
+$(eval $(RULES))
+
+tests: $(TESTS)
 
--include .depend
+-include $(DEPS)