File use-ffmpeg-libs.patch of Package libav

From: Antonio Larrosa <alarrosa@suse.com>
Subject: Change the build scripts to build libav with ffmpeg libraries

Change the Makefile and configure script to not build the libav*/libswscaler
libraries, and use the ones from ffmpeg instead.

Index: libav-12.3/Makefile
===================================================================
--- libav-12.3.orig/Makefile
+++ libav-12.3/Makefile
@@ -23,7 +23,7 @@ endif
 
 ALLFFLIBS = avcodec avdevice avfilter avformat avresample avutil swscale
 
-IFLAGS     := -I. -I$(SRC_PATH)
+IFLAGS     := -I. -I$(SRC_PATH) $(IFLAGS)
 CPPFLAGS   := $(IFLAGS) $(CPPFLAGS)
 CFLAGS     += $(ECFLAGS)
 CCFLAGS     = $(CPPFLAGS) $(CFLAGS)
@@ -85,7 +85,8 @@ OBJS-avconv-$(HAVE_VDPAU_X11) += avconv_
 
 TESTTOOLS   = audiogen videogen rotozoom tiny_psnr base64
 HOSTPROGS  := $(TESTTOOLS:%=tests/%) doc/print_options
-TOOLS       = qt-faststart trasher
+TOOLS       = aviocat ismindex pktdumper probetest sidxindex graph2dot \
+              qt-faststart trasher
 TOOLS-$(CONFIG_ZLIB) += cws2fws
 
 # $(FFLIBS-yes) needs to be in linking order
@@ -112,7 +113,7 @@ FF_STATIC_DEP_LIBS := $(STATIC_DEP_LIBS)
 all: $(AVPROGS)
 
 $(TOOLS): %$(EXESUF): %.o $(EXEOBJS)
-	$(LD) $(LDFLAGS) $(LDEXEFLAGS) $(LD_O) $^ $(ELIBS)
+	$(LD) $(LDFLAGS) $(LDEXEFLAGS) $(LD_O) $^ $(ELIBS) $(FF_EXTRALIBS)
 
 tools/cws2fws$(EXESUF): ELIBS = $(ZLIB)
 
@@ -142,7 +143,7 @@ include $(SRC_PATH)/$(1)/Makefile
 include $(SRC_PATH)/library.mak
 endef
 
-$(foreach D,$(FFLIBS),$(eval $(call DOSUBDIR,lib$(D))))
+#$(foreach D,$(FFLIBS),$(eval $(call DOSUBDIR,lib$(D))))
 
 include $(SRC_PATH)/doc/Makefile
 
@@ -157,7 +158,7 @@ endef
 
 $(foreach P,$(PROGS),$(eval $(call DOPROG,$(P:$(EXESUF)=))))
 
-$(PROGS): %$(EXESUF): %.o $(FF_DEP_LIBS)
+$(PROGS): %$(EXESUF): %.o
 	$(LD) $(LDFLAGS) $(LDEXEFLAGS) $(LD_O) $(OBJS-$*) $(FF_EXTRALIBS)
 
 OBJDIRS += tools
@@ -181,12 +182,12 @@ ifdef AVPROGS
 install: install-progs install-data
 endif
 
-install: install-libs install-headers
+install:
 
 install-libs: install-libs-yes
 
 install-progs-yes:
-install-progs-$(CONFIG_SHARED): install-libs
+install-progs-$(CONFIG_SHARED):
 
 install-progs: install-progs-yes $(AVPROGS)
 	$(Q)mkdir -p "$(BINDIR)"
Index: libav-12.3/configure
===================================================================
--- libav-12.3.orig/configure
+++ libav-12.3/configure
@@ -1548,11 +1548,16 @@ INTRINSICS_LIST="
 MATH_FUNCS="
     atanf
     atan2f
+    cbrt
     cbrtf
+    copysign
     cosf
+    erf
     exp2
     exp2f
     expf
+    hypot
+    isfinite
     isinf
     isnan
     ldexpf
@@ -4594,6 +4599,8 @@ check_lib math.h sin -lm && LIBM="-lm"
 enabled vaapi && require vaapi va/va.h vaInitialize -lva
 
 atan2f_args=2
+copysign_args=2
+hypot_args=2
 ldexpf_args=2
 powf_args=2