From dfad0afb36df9ac104490454c6472625e3ecbe0c Mon Sep 17 00:00:00 2001 From: Hisham Muhammad Date: Wed, 23 Nov 2011 18:43:35 +0000 Subject: Don't run sched_setaffinity compatibility test when cross compiling --- configure.ac | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index 83a096ee..350c3207 100644 --- a/configure.ac +++ b/configure.ac @@ -108,13 +108,13 @@ if test ! -z "$missing_headers"; then AC_MSG_ERROR([missing headers: $missing_headers]) fi -if test "$cross_compiling" = "no"; then +if test "x$cross_compiling" = xno; then AC_CHECK_FILE($PROCDIR/stat,,AC_MSG_ERROR(Cannot find /proc/stat. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.)) AC_CHECK_FILE($PROCDIR/meminfo,,AC_MSG_ERROR(Cannot find /proc/meminfo. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.)) fi AC_ARG_ENABLE(native_affinity, [AC_HELP_STRING([--enable-native-affinity], [enable native sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_native_affinity="yes") -if test "x$enable_native_affinity" = xyes; then +if test "x$enable_native_affinity" = xyes -a "x$cross_compiling" = xno; then AC_MSG_CHECKING([for usable sched_setaffinity]) AC_RUN_IFELSE([ AC_LANG_PROGRAM([[ @@ -126,9 +126,12 @@ if test "x$enable_native_affinity" = xyes; then sched_setaffinity(0, sizeof(cpu_set_t), &cpuset); if (errno == ENOSYS) return 1; ]])], - [AC_DEFINE(HAVE_NATIVE_AFFINITY, 1, [Define if native sched_setaffinity and sched_getaffinity are to be used.]) - AC_MSG_RESULT([yes])], - [AC_MSG_RESULT([no])]) + [AC_MSG_RESULT([yes])], + [enable_native_affinity=no + AC_MSG_RESULT([no])]) +fi +if test "x$enable_native_affinity" = xyes; then + AC_DEFINE(HAVE_NATIVE_AFFINITY, 1, [Define if native sched_setaffinity and sched_getaffinity are to be used.]) fi AC_ARG_ENABLE(hwloc, [AC_HELP_STRING([--enable-hwloc], [enable hwloc support for CPU affinity])],, enable_hwloc="no") -- cgit v1.2.3