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Don't run sched_setaffinity compatibility test when cross compiling

This commit is contained in:
Hisham Muhammad 2011-11-23 18:43:35 +00:00
parent ae7e68321b
commit dfad0afb36
1 changed files with 8 additions and 5 deletions
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13
configure.ac
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@ -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")