Document the behavior of av_metadata_get() if the prev parameter is

[ffmpeg] / subdir.mak

diff --git a/subdir.mak b/subdir.mak
index ed1d68833fd8b209392cb3565fca02be4433535a..36a40d375a5da6045fb6f8419381454c289b2f2c 100644 (file)
--- a/subdir.mak
+++ b/subdir.mak
@@ -4,35 +4,49 @@ include $(SUBDIR)../common.mak
 
 LIBVERSION := $(lib$(NAME)_VERSION)
 LIBMAJOR   := $(lib$(NAME)_VERSION_MAJOR)
+INCINSTDIR := $(INCDIR)/lib$(NAME)
+THIS_LIB   := $(SUBDIR)$($(CONFIG_SHARED:yes=S)LIBNAME)
 
-ifdef CONFIG_STATIC
-all: $(SUBDIR)$(LIBNAME)
+all-$(CONFIG_STATIC): $(SUBDIR)$(LIBNAME)
+all-$(CONFIG_SHARED): $(SUBDIR)$(SLIBNAME)
 
-install-libs: install-lib$(NAME)-static
+$(SUBDIR)%-test.o: $(SUBDIR)%.c
+       $(CC) $(CPPFLAGS) $(CFLAGS) -DTEST -c $(CC_O) $^
+
+$(SUBDIR)%-test.o: $(SUBDIR)%-test.c
+       $(CC) $(CPPFLAGS) $(CFLAGS) -DTEST -c $(CC_O) $^
+
+$(SUBDIR)x86/%.o: $(SUBDIR)x86/%.asm
+       $(YASMDEP) $(YASMFLAGS) -I $(<D)/ -M -o $@ $< > $(@:.o=.d)
+       $(YASM) $(YASMFLAGS) -I $(<D)/ -o $@ $<
+
+$(OBJS) $(SUBDIR)%.ho $(SUBDIR)%-test.o $(TESTOBJS): CPPFLAGS += -DHAVE_AV_CONFIG_H
 
 $(SUBDIR)$(LIBNAME): $(OBJS)
        $(RM) $@
        $(AR) rc $@ $^ $(EXTRAOBJS)
        $(RANLIB) $@
-endif
 
-INCINSTDIR := $(INCDIR)/lib$(NAME)
+install-headers: install-lib$(NAME)-headers install-lib$(NAME)-pkgconfig
 
-THIS_LIB := $(SUBDIR)$($(CONFIG_SHARED:yes=S)LIBNAME)
+install-libs-$(CONFIG_STATIC): install-lib$(NAME)-static
+install-libs-$(CONFIG_SHARED): install-lib$(NAME)-shared
 
 define RULES
 $(SUBDIR)%$(EXESUF): $(SUBDIR)%.o
-       $(LD) $(FFLDFLAGS) -o $$@ $$^ -l$(FULLNAME) $(FFEXTRALIBS) $$(ELIBS)
+       $$(LD) $(FFLDFLAGS) -o $$@ $$^ -l$(FULLNAME) $(FFEXTRALIBS) $$(ELIBS)
 
-$(SUBDIR)%-test.o: $(SUBDIR)%.c
-       $(CC) $(CPPFLAGS) $(CFLAGS) -DTEST -c $$(CC_O) $$^
+$(SUBDIR)$(SLIBNAME): $(SUBDIR)$(SLIBNAME_WITH_MAJOR)
+       $(Q)cd ./$(SUBDIR) && $(LN_S) $(SLIBNAME_WITH_MAJOR) $(SLIBNAME)
 
-$(SUBDIR)%-test.o: $(SUBDIR)%-test.c
-       $(CC) $(CPPFLAGS) $(CFLAGS) -DTEST -c $$(CC_O) $$^
+$(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(OBJS) $(SUBDIR)lib$(NAME).ver
+       $(SLIB_CREATE_DEF_CMD)
+       $$(LD) $(SHFLAGS) $(FFLDFLAGS) -o $$@ $$(filter %.o,$$^) $(FFEXTRALIBS) $(EXTRAOBJS)
+       $(SLIB_EXTRA_CMD)
 
-$(SUBDIR)x86/%.o: $(SUBDIR)x86/%.asm
-       $(YASMDEP) $(YASMFLAGS) -I $$(<D)/ -M -o $$@ $$< > $$(@:.o=.d)
-       $(YASM) $(YASMFLAGS) -I $$(<D)/ -o $$@ $$<
+ifdef SUBDIR
+$(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(DEP_LIBS)
+endif
 
 clean::
        $(RM) $(addprefix $(SUBDIR),*-example$(EXESUF) *-test$(EXESUF) $(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
@@ -43,47 +57,28 @@ distclean:: clean
        $(RM)  $(addprefix $(SUBDIR),$(DISTCLEANSUFFIXES)) \
             $(addprefix $(SUBDIR), $(foreach suffix,$(DISTCLEANSUFFIXES),$(addsuffix /$(suffix),$(DIRS))))
 
-ifdef CONFIG_SHARED
-all: $(SUBDIR)$(SLIBNAME)
-
-install-libs: install-lib$(NAME)-shared
-
-$(SUBDIR)$(SLIBNAME): $(SUBDIR)$(SLIBNAME_WITH_MAJOR)
-       cd ./$(SUBDIR) && $(LN_S) $(SLIBNAME_WITH_MAJOR) $(SLIBNAME)
-
-$(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(OBJS) $(SUBDIR)lib$(NAME).ver
-       $(SLIB_CREATE_DEF_CMD)
-       $(LD) $(SHFLAGS) $(FFLDFLAGS) -o $$@ $$(filter %.o,$$^) $(FFEXTRALIBS) $(EXTRAOBJS)
-       $(SLIB_EXTRA_CMD)
-
-ifdef SUBDIR
-$(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(DEP_LIBS)
-endif
-endif
-
 install-lib$(NAME)-shared: $(SUBDIR)$(SLIBNAME)
-       mkdir -p "$(SHLIBDIR)"
-       install -m 755 $$< "$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
-       $(STRIP) "$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
-       cd "$(SHLIBDIR)" && \
+       $(Q)mkdir -p "$(SHLIBDIR)"
+       $$(INSTALL) -m 755 $$< "$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
+       $$(STRIP) "$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
+       $(Q)cd "$(SHLIBDIR)" && \
                $(LN_S) $(SLIBNAME_WITH_VERSION) $(SLIBNAME_WITH_MAJOR)
-       cd "$(SHLIBDIR)" && \
+       $(Q)cd "$(SHLIBDIR)" && \
                $(LN_S) $(SLIBNAME_WITH_VERSION) $(SLIBNAME)
        $(SLIB_INSTALL_EXTRA_CMD)
 
 install-lib$(NAME)-static: $(SUBDIR)$(LIBNAME)
-       mkdir -p "$(LIBDIR)"
-       install -m 644 $$< "$(LIBDIR)"
+       $(Q)mkdir -p "$(LIBDIR)"
+       $$(INSTALL) -m 644 $$< "$(LIBDIR)"
        $(LIB_INSTALL_EXTRA_CMD)
 
-install-headers::
-       mkdir -p "$(INCINSTDIR)"
-       mkdir -p "$(LIBDIR)/pkgconfig"
-       install -m 644 $(addprefix "$(SRC_DIR)"/,$(HEADERS)) "$(INCINSTDIR)"
-ifdef BUILT_HEADERS
-       install -m 644 $(addprefix $(SUBDIR),$(BUILT_HEADERS)) "$(INCINSTDIR)"
-endif
-       install -m 644 $(BUILD_ROOT)/lib$(NAME)/lib$(NAME).pc "$(LIBDIR)/pkgconfig"
+install-lib$(NAME)-headers: $(addprefix $(SUBDIR),$(HEADERS) $(BUILT_HEADERS))
+       $(Q)mkdir -p "$(INCINSTDIR)"
+       $$(INSTALL) -m 644 $$^ "$(INCINSTDIR)"
+
+install-lib$(NAME)-pkgconfig: $(SUBDIR)lib$(NAME).pc
+       $(Q)mkdir -p "$(LIBDIR)/pkgconfig"
+       $$(INSTALL) -m 644 $$^ "$(LIBDIR)/pkgconfig"
 
 uninstall-libs::
        -$(RM) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR)" \