Merge pull request #663 from luizluca/libvpx_issue662

libvpx: force to use gcc as linker

libs/libvpx/Makefile

@@ -23,7 +23,6 @@ PKG_MAINTAINER:=Luiz Angelo Daros de Luca <luizluca@gmail.com>
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE
 
-#PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1
 
 include $(INCLUDE_DIR)/package.mk
@@ -55,9 +54,14 @@ ifneq ($(findstring -Os,$(TARGET_CFLAGS)),)
 CONFIGURE_ARGS += --enable-small
 endif
 
+# libvpx expects gcc as linker but uses $LD if provided
+# However, OpenWRT defines LD as *-uclibc-ld and not *-gcc
 CONFIGURE_VARS += \
-    CROSS=$(GNU_TARGET_NAME)\
-    extralibs="-lc -lgcc_s"
+    CROSS=$(GNU_TARGET_NAME) \
+	LD="$(TARGET_CC)" \
+
+MAKE_FLAGS += \
+	LD="$(TARGET_CC)" \
 
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include/vpx/

libs/libvpx/patches/001-remove_Wl.patch

@@ -1,12 +0,0 @@
---- libvpx-1.3.0/build/make/Makefile.old	2014-12-06 02:17:06.648714353 -0200
-+++ libvpx-1.3.0/build/make/Makefile	2014-12-06 02:17:16.096555499 -0200
-@@ -268,8 +268,8 @@
- $(1):
- 	$(if $(quiet),@echo "    [LD] $$@")
- 	$(qexec)$$(LD) -shared $$(LDFLAGS) \
--            -Wl,--no-undefined -Wl,-soname,$$(SONAME) \
--            -Wl,--version-script,$$(EXPORTS_FILE) -o $$@ \
-+            --no-undefined -soname $$(SONAME) \
-+            --version-script $$(EXPORTS_FILE) -o $$@ \
-             $$(filter %.o,$$^) $$(extralibs)
- endef