cedric pushed a commit to branch master. http://git.enlightenment.org/core/efl.git/commit/?id=79c4baf1ccaedf33a2b187475850572f28ff7e4a
commit 79c4baf1ccaedf33a2b187475850572f28ff7e4a Author: Cedric Bail <[email protected]> Date: Thu May 8 16:24:04 2014 +0200 autotools: make it possible to forcibly disable neon. --- configure.ac | 47 ++++++++++++++++++++++++++++++----------------- 1 file changed, 30 insertions(+), 17 deletions(-) diff --git a/configure.ac b/configure.ac index 061b5ca..e437be8 100644 --- a/configure.ac +++ b/configure.ac @@ -477,6 +477,17 @@ build_cpu_sse3="no" build_cpu_altivec="no" build_cpu_neon="no" +want_neon="yes" +AC_ARG_ENABLE([neon], + [AC_HELP_STRING([--disable-neon], [disable neon support @<:@default=enable@:>@])], + [ + if test "x${enableval}" = "xyes"; then + want_neon="yes" + else + want_neon="no" + fi + ]) + SSE3_CFLAGS="" ALTIVEC_CFLAGS="" NEON_CFLAGS="" @@ -541,23 +552,25 @@ case $host_cpu in fi ;; arm*) - build_cpu_neon="yes" - AC_MSG_CHECKING([whether to use NEON instructions]) - CFLAGS_save="${CFLAGS}" - CFLAGS="${CFLAGS} -mfpu=neon" - AC_TRY_COMPILE([#include <arm_neon.h>], - [asm volatile ("vqadd.u8 d0, d1, d0\n")], - [ - AC_MSG_RESULT([yes]) - AC_DEFINE([BUILD_NEON], [1], [Build NEON Code]) - build_cpu_neon="yes" - NEON_CFLAGS="-mfpu=neon" - ], - [ - AC_MSG_RESULT([no]) - build_cpu_neon="no" - ]) - CFLAGS="${CFLAGS_save}" + if test "x${want_neon}" = "xyes"; then + build_cpu_neon="yes" + AC_MSG_CHECKING([whether to use NEON instructions]) + CFLAGS_save="${CFLAGS}" + CFLAGS="${CFLAGS} -mfpu=neon" + AC_TRY_COMPILE([#include <arm_neon.h>], + [asm volatile ("vqadd.u8 d0, d1, d0\n")], + [ + AC_MSG_RESULT([yes]) + AC_DEFINE([BUILD_NEON], [1], [Build NEON Code]) + build_cpu_neon="yes" + NEON_CFLAGS="-mfpu=neon" + ], + [ + AC_MSG_RESULT([no]) + build_cpu_neon="no" + ]) + CFLAGS="${CFLAGS_save}" + fi ;; esac --
