contrib: tweaked a few lines to make 64bit compilation possible on Macs

extras/contrib/src/Makefile

@@ -136,11 +136,12 @@ FFMPEGCONF+= --cpu=x86 --disable-debug --disable-audio-beos
 endif
 
 ifdef HAVE_DARWIN_OS_ON_INTEL
-FFMPEGCONF += --enable-memalign-hack --cpu=pentium-m
+FFMPEGCONF += --enable-memalign-hack
 endif
 
 ifdef HAVE_DARWIN_OS
 X264CONF += --enable-pic
+FFMPEGCONF += --arch=$(ARCH)
 ifdef HAVE_DARWIN_OS_ON_INTEL
 FFMPEG_CFLAGS += -DHAVE_LRINTF
 endif
@@ -469,7 +470,7 @@ ifdef HAVE_WIN32
   endif
 else
   ifdef HAVE_DARWIN_OS
-	(cd $<; $(HOSTCC) LIBXML2_CFLAGS=`xml2-config --cflags` LIBXML2_LIBS=`xml2-config --libs` ./configure $(HOSTCONF) --with-cache-dir=/usr/X11/var/cache/fontconfig --with-confdir=/usr/X11/lib/X11/fonts --with-default-fonts=/System/Library/Fonts --with-add-fonts=/Library/Fonts,~/Library/Fonts --prefix=$(PREFIX) --with-freetype-config=$(PREFIX)/bin/freetype-config --enable-libxml2 --disable-docs && make && make install-exec && (cd fontconfig ; make install-data) && cp fontconfig.pc $(PKG_CONFIG_LIBDIR))
+	(cd $<; $(HOSTCC) LIBXML2_CFLAGS=`xml2-config --cflags` LIBXML2_LIBS=`xml2-config --libs` ./configure $(HOSTCONF) --with-cache-dir=/usr/X11/var/cache/fontconfig --with-confdir=/usr/X11/lib/X11/fonts --with-default-fonts=/System/Library/Fonts --with-add-fonts=/Library/Fonts,~/Library/Fonts --prefix=$(PREFIX) --with-freetype-config=$(PREFIX)/bin/freetype-config --with-arch=$(ARCH) --enable-libxml2 --disable-docs && make && make install-exec && (cd fontconfig ; make install-data) && cp fontconfig.pc $(PKG_CONFIG_LIBDIR))
   else
 	(cd $<; $(HOSTCC) LIBXML2_CFLAGS=`$(PREFIX)/bin/xml2-config --cflags` ./configure $(HOSTCONF) --prefix=$(PREFIX) --with-freetype-config=$(PREFIX)/bin/freetype-config --enable-libxml2 --disable-docs && make && make install)
   endif