1*4882a593SmuzhiyunFrom cbcff58ed670c8edc0be1004384cbe0fd07d8d26 Mon Sep 17 00:00:00 2001 2*4882a593SmuzhiyunFrom: Khem Raj <raj.khem@gmail.com> 3*4882a593SmuzhiyunDate: Wed, 5 Jul 2017 18:49:21 -0700 4*4882a593SmuzhiyunSubject: [PATCH 1/2] check for available arm optimizations 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunTaken From 7*4882a593Smuzhiyunhttp://sources.debian.net/src/mpeg2dec/0.5.1-7/debian/patches/65_arm-test-with-compiler.patch/ 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunUpstream-Status: Pending 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunSigned-off-by: Khem Raj <raj.khem@gmail.com> 12*4882a593Smuzhiyun--- 13*4882a593Smuzhiyun configure.ac | 12 ++++++++---- 14*4882a593Smuzhiyun 1 file changed, 8 insertions(+), 4 deletions(-) 15*4882a593Smuzhiyun 16*4882a593Smuzhiyundiff --git a/configure.ac b/configure.ac 17*4882a593Smuzhiyunindex acdcb1e..2c0a721 100644 18*4882a593Smuzhiyun--- a/configure.ac 19*4882a593Smuzhiyun+++ b/configure.ac 20*4882a593Smuzhiyun@@ -59,7 +59,7 @@ elif test x"$GCC" = x"yes"; then 21*4882a593Smuzhiyun AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"]) 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun dnl arch-specific flags 24*4882a593Smuzhiyun- arm_conditional=false 25*4882a593Smuzhiyun+ build_arm_opt=false 26*4882a593Smuzhiyun case "$host" in 27*4882a593Smuzhiyun i?86-* | k?-* | x86_64-* | amd64-*) 28*4882a593Smuzhiyun AC_DEFINE([ARCH_X86],,[x86 architecture]) 29*4882a593Smuzhiyun@@ -102,8 +102,12 @@ elif test x"$GCC" = x"yes"; then 30*4882a593Smuzhiyun alpha*) 31*4882a593Smuzhiyun AC_DEFINE([ARCH_ALPHA],,[alpha architecture]);; 32*4882a593Smuzhiyun arm*) 33*4882a593Smuzhiyun- arm_conditional=: 34*4882a593Smuzhiyun- AC_DEFINE([ARCH_ARM],,[ARM architecture]);; 35*4882a593Smuzhiyun+ AC_LANG(C) 36*4882a593Smuzhiyun+ AC_COMPILE_IFELSE( 37*4882a593Smuzhiyun+ [AC_LANG_SOURCE([[ 38*4882a593Smuzhiyun+ void foo(void) { __asm__ volatile("pld [r1]"); }]])], 39*4882a593Smuzhiyun+ build_arm_opt=true; AC_DEFINE([ARCH_ARM],,[ARM architecture]), 40*4882a593Smuzhiyun+ build_arm_opt=false);; 41*4882a593Smuzhiyun esac 42*4882a593Smuzhiyun elif test x"$CC" = x"tendracc"; then 43*4882a593Smuzhiyun dnl TenDRA portability checking compiler 44*4882a593Smuzhiyun@@ -123,7 +127,7 @@ else 45*4882a593Smuzhiyun esac 46*4882a593Smuzhiyun fi 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun-AM_CONDITIONAL(ARCH_ARM, ${arm_conditional}) 49*4882a593Smuzhiyun+AM_CONDITIONAL(ARCH_ARM, test x$build_arm_opt = xtrue) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun dnl Checks for libtool - this must be done after we set cflags 52*4882a593Smuzhiyun AC_LIBTOOL_WIN32_DLL 53*4882a593Smuzhiyun-- 54*4882a593Smuzhiyun2.13.2 55*4882a593Smuzhiyun 56