libvpx: Pull from upstream

source/libvpx/libs.mk

 ##
 ##  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.
 ##
 
 
 # ARM assembly files are written in RVCT-style. We use some make magic to
 # filter those files to allow GCC compilation
 ifeq ($(ARCH_ARM),yes)
   ASM:=$(if $(filter yes,$(CONFIG_GCC)),.asm.s,.asm)
 else
   ASM:=.asm
 endif
 
-
 #
 # Calculate platform- and compiler-specific offsets for hand coded assembly
 #
 ifeq ($(filter icc gcc,$(TGT_CC)), $(TGT_CC))
 OFFSET_PATTERN:='^[a-zA-Z0-9_]* EQU'
 define asm_offsets_template
 $$(BUILD_PFX)$(1): $$(BUILD_PFX)$(2).S
         @echo "    [CREATE] $$@"
         $$(qexec)LC_ALL=C grep $$(OFFSET_PATTERN) $$< | tr -d '$$$$\#' $$(ADS2GAS) > $$@
 $$(BUILD_PFX)$(2).S: $(2)
@@ skipping 289 matching lines @@
         $(qexec)echo 'exec_prefix=$${prefix}' >> $@
         $(qexec)echo 'libdir=$${prefix}/$(LIBSUBDIR)' >> $@
         $(qexec)echo 'includedir=$${prefix}/include' >> $@
         $(qexec)echo '' >> $@
         $(qexec)echo 'Name: vpx' >> $@
         $(qexec)echo 'Description: WebM Project VPx codec implementation' >> $@
         $(qexec)echo 'Version: $(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH)' >> $@
         $(qexec)echo 'Requires:' >> $@
         $(qexec)echo 'Conflicts:' >> $@
         $(qexec)echo 'Libs: -L$${libdir} -lvpx -lm' >> $@
+ifeq ($(HAVE_PTHREAD_H),yes)
         $(qexec)echo 'Libs.private: -lm -lpthread' >> $@
+else
+        $(qexec)echo 'Libs.private: -lm' >> $@
+endif
         $(qexec)echo 'Cflags: -I$${includedir}' >> $@
 INSTALL-LIBS-yes += $(LIBSUBDIR)/pkgconfig/vpx.pc
 INSTALL_MAPS += $(LIBSUBDIR)/pkgconfig/%.pc %.pc
 CLEAN-OBJS += vpx.pc
 endif
 
 LIBS-$(LIPO_LIBVPX) += libvpx.a
 $(eval $(if $(LIPO_LIBVPX),$(call lipo_lib_template,libvpx.a)))
 
 #
@@ skipping 145 matching lines @@
         @echo "INPUT += $^" >> $@
         @echo "PREDEFINED = VPX_CODEC_DISABLE_COMPAT" >> $@
         @echo "INCLUDE_PATH += ." >> $@;
         @echo "ENABLED_SECTIONS += $(sort $(CODEC_DOC_SECTIONS))" >> $@
 
 ## Generate rtcd.h for all objects
 $(OBJS-yes:.o=.d): $(RTCD)
 
 ## Update the global src list
 SRCS += $(CODEC_SRCS) $(LIBVPX_TEST_SRCS) $(GTEST_SRCS)