libvpx: Add VP9 decoder.

source/libvpx/build/make/Makefile

 ##
 ##  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 ##
 ##  Use of this source code is governed by a BSD-style license
 ##  that can be found in the LICENSE file in the root of the source
 ##  tree. An additional intellectual property rights grant can be found
 ##  in the file PATENTS.  All contributing project authors may
 ##  be found in the AUTHORS file in the root of the source tree.
 ##
 
@@ skipping 235 matching lines @@
 define so_template
 # Not using a pattern rule here because we don't want to generate empty
 # archives when they are listed as a dependency in files not responsible
 # for creating them.
 #
 # This needs further abstraction for dealing with non-GNU linkers.
 $(1):
         $(if $(quiet),@echo "    [LD] $$@")
         $(qexec)$$(LD) -shared $$(LDFLAGS) \
             -Wl,--no-undefined -Wl,-soname,$$(SONAME) \
-            -Wl,--version-script,$$(SO_VERSION_SCRIPT) -o $$@ \
-            $$(filter %.o,$$?) $$(extralibs)
+            -Wl,--version-script,$$(EXPORTS_FILE) -o $$@ \
+            $$(filter %.o,$$^) $$(extralibs)
 endef
 
+define dl_template
+# Not using a pattern rule here because we don't want to generate empty
+# archives when they are listed as a dependency in files not responsible
+# for creating them.
+$(1):
+        $(if $(quiet),@echo "    [LD] $$@")
+        $(qexec)$$(LD) -dynamiclib $$(LDFLAGS) \
+            -exported_symbols_list $$(EXPORTS_FILE) \
+        -Wl,-headerpad_max_install_names,-compatibility_version,1.0,-current_version,$$(VERSION_MAJOR) \
+        -o $$@ \
+        $$(filter %.o,$$^) $$(extralibs)
+endef
+
+
+
 define lipo_lib_template
 $(1): $(addsuffix /$(1),$(FAT_ARCHS))
         $(if $(quiet),@echo "    [LIPO] $$@")
         $(qexec)libtool -static -o $$@ $$?
 endef
 
 define lipo_bin_template
 $(1): $(addsuffix /$(1),$(FAT_ARCHS))
         $(if $(quiet),@echo "    [LIPO] $$@")
         $(qexec)lipo -output $$@ -create $$?
@@ skipping 44 matching lines @@
         @touch $@
 
 clean::
         rm -f .bins .install-bins $(BINS)
 
 LIBS=$(call enabled,LIBS)
 .libs: $(LIBS)
         @touch $@
 $(foreach lib,$(filter %_g.a,$(LIBS)),$(eval $(call archive_template,$(lib))))
 $(foreach lib,$(filter %so.$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH),$(LIBS)),$(eval $(call so_template,$(lib))))
+$(foreach lib,$(filter %$(VERSION_MAJOR).dylib,$(LIBS)),$(eval $(call dl_template,$(lib))))
 
 INSTALL-LIBS=$(call cond_enabled,CONFIG_INSTALL_LIBS,INSTALL-LIBS)
 ifeq ($(MAKECMDGOALS),dist)
 INSTALL-LIBS+=$(call cond_enabled,CONFIG_INSTALL_LIBS,DIST-LIBS)
 endif
 .install-libs: .libs $(addprefix $(DIST_DIR)/,$(INSTALL-LIBS))
         @touch $@
 
 clean::
         rm -f .libs .install-libs $(LIBS)
@@ skipping 45 matching lines @@
 ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
     BUILD_TARGETS += .projects
     INSTALL_TARGETS += .install-projects
 endif
 BUILD_TARGETS += .docs .libs .bins
 INSTALL_TARGETS += .install-docs .install-srcs .install-libs .install-bins
 all: $(BUILD_TARGETS)
 install:: $(INSTALL_TARGETS)
 dist: $(INSTALL_TARGETS)
 test::