[SCM] libav/experimental: configure: Extend the neon intrinsics check

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 06a1d1323bc8afd03f085ae98d9b74e431b3534e
Author: Martin Storsjö <martin at martin.st>
Date:   Tue Jul 22 15:09:43 2014 +0300

    configure: Extend the neon intrinsics check
    
    Check for an instruction that causes the (very old) Apple GCC 4.2
    to error out ("unrecognizable insn").
    
    Signed-off-by: Martin Storsjö <martin at martin.st>

diff --git a/configure b/configure
index 6736f76..3c1c520 100755
--- a/configure
+++ b/configure
@@ -3935,7 +3935,7 @@ EOF
 
 fi
 
-check_code cc arm_neon.h "int64x2_t test" && enable intrinsics_neon
+check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
 
 check_ldflags -Wl,--as-needed
 

-- 
Libav/FFmpeg packaging