shithub: libvpx

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Fail when only an old nasm is found

Apple ships version 0.98 of nasm through at least XCode 6. It is
incompatible with the assembly in libvpx.

https://code.google.com/p/webm/issues/detail?id=772

Change-Id: I33245a76f50a8224fe6fafa3cce9991f953fdcc8

--- a/build/make/configure.sh

+++ b/build/make/configure.sh

@@ -1159,6 +1159,14 @@

         auto|"")

           which nasm >/dev/null 2>&1 && AS=nasm

           which yasm >/dev/null 2>&1 && AS=yasm

+          if [ "${AS}" = nasm ] ; then

+            # Apple ships version 0.98 of nasm through at least Xcode 6. Revisit

+            # this check if they start shipping a compatible version.

+            apple=`nasm -v | grep "Apple"`

+            [ -n "${apple}" ] \

+              && echo "Unsupported version of nasm: ${apple}" \

+              && AS=""

+          fi

           [ "${AS}" = auto ] || [ -z "${AS}" ] \

             && die "Neither yasm nor nasm have been found"

           ;;