--- configure.in.orig 2012-02-28 19:50:27.000000000 +0100 +++ configure.in 2016-01-25 20:15:46.034842000 +0100 @@ -96,9 +96,19 @@ sys/soundcard.h \ sys/time.h \ unistd.h \ - xmmintrin.h \ linux/soundcard.h) +dnl Checks for actually working SSE intrinsics +AC_MSG_CHECKING(working SSE intrinsics) +AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include ]], + [[_mm_sfence();]])], + [AC_DEFINE([HAVE_XMMINTRIN_H], [1], [Define if SSE intrinsics work.]) + ac_cv_header_xmmintrin_h=yes], + [ac_cv_header_xmmintrin_h=no]) +AC_MSG_RESULT(${ac_cv_header_xmmintrin_h}) + dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_INLINE --- configure.orig 2012-02-28 19:54:37.000000000 +0100 +++ configure 2016-01-25 20:16:07.429512000 +0100 @@ -11922,7 +11918,6 @@ sys/soundcard.h \ sys/time.h \ unistd.h \ - xmmintrin.h \ linux/soundcard.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` @@ -11937,6 +11932,31 @@ done +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking working SSE intrinsics" >&5 +$as_echo_n "checking working SSE intrinsics... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +_mm_sfence(); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +$as_echo "#define HAVE_XMMINTRIN_H 1" >>confdefs.h + + ac_cv_header_xmmintrin_h=yes +else + ac_cv_header_xmmintrin_h=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${ac_cv_header_xmmintrin_h}" >&5 +$as_echo "${ac_cv_header_xmmintrin_h}" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 $as_echo_n "checking for an ANSI C-conforming const... " >&6; } if ${ac_cv_c_const+:} false; then :