1 files changed, 55 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/mpeg2dec/files/0001-check-for-available-arm-optimizations.patch b/meta/recipes-multimedia/mpeg2dec/files/0001-check-for-available-arm-optimizations.patch
new file mode 100644
index 0000000000..5bf68b39ee
--- /dev/null
+++ b/meta/recipes-multimedia/mpeg2dec/files/0001-check-for-available-arm-optimizations.patch
@@ -0,0 +1,55 @@
+From cbcff58ed670c8edc0be1004384cbe0fd07d8d26 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 5 Jul 2017 18:49:21 -0700
+Subject: [PATCH 1/2] check for available arm optimizations
+
+Taken From
+http://sources.debian.net/src/mpeg2dec/0.5.1-7/debian/patches/65_arm-test-with-compiler.patch/
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ configure.ac | 12 ++++++++----
+ 1 file changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index acdcb1e..2c0a721 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -59,7 +59,7 @@ elif test x"$GCC" = x"yes"; then
+     AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
+ 
+     dnl arch-specific flags
+-    arm_conditional=false
++    build_arm_opt=false
+     case "$host" in
+     i?86-* | k?-* | x86_64-* | amd64-*)
+        AC_DEFINE([ARCH_X86],,[x86 architecture])
+@@ -102,8 +102,12 @@ elif test x"$GCC" = x"yes"; then
+     alpha*)
+        AC_DEFINE([ARCH_ALPHA],,[alpha architecture]);;
+     arm*)
+-       arm_conditional=:
+-       AC_DEFINE([ARCH_ARM],,[ARM architecture]);;
++       AC_LANG(C)
++       AC_COMPILE_IFELSE(
++               [AC_LANG_SOURCE([[
++                       void foo(void) { __asm__ volatile("pld [r1]"); }]])],
++               build_arm_opt=true; AC_DEFINE([ARCH_ARM],,[ARM architecture]),
++               build_arm_opt=false);;
+     esac
+ elif test x"$CC" = x"tendracc"; then
+     dnl TenDRA portability checking compiler
+@@ -123,7 +127,7 @@ else
+     esac
+ fi
+ 
+-AM_CONDITIONAL(ARCH_ARM, ${arm_conditional})
++AM_CONDITIONAL(ARCH_ARM, test x$build_arm_opt = xtrue)
+ 
+ dnl Checks for libtool - this must be done after we set cflags
+ AC_LIBTOOL_WIN32_DLL
+-- 
+2.13.2
+