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Make --enable-hwloc and --enable-linux-affinity mutual exclusive

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They can not be supported both at the same time.
Fail configure step instead of silently only use hwloc.
This commit is contained in:
Christian Göttsche
2020-09-08 16:25:22 +02:00
parent f4bb50294a
commit 005c4d1f23
3 changed files with 41 additions and 27 deletions
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52
configure.ac
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@ -214,33 +214,43 @@ if test "$my_htop_platform" = "solaris"; then
AC_CHECK_LIB([malloc], [free], [], [missing_libraries="$missing_libraries libmalloc"])
fi
AC_ARG_ENABLE(linux_affinity, [AS_HELP_STRING([--enable-linux-affinity], [enable Linux sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_linux_affinity="yes")
if test "x$enable_linux_affinity" = xyes; then
AC_MSG_CHECKING([for usable sched_setaffinity])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
#include <errno.h>
static cpu_set_t cpuset;
]], [[
CPU_ZERO(&cpuset);
sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
if (errno == ENOSYS) return 1;
]])],
[AC_MSG_RESULT([yes])],
[enable_linux_affinity=no
AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes (assumed while cross compiling)])])
AC_ARG_ENABLE(hwloc, [AS_HELP_STRING([--enable-hwloc], [enable hwloc support for CPU affinity, disables Linux affinity])],, enable_hwloc="no")
if test "x$enable_hwloc" = xyes
then
AC_CHECK_LIB([hwloc], [hwloc_get_proc_cpubind], [], [missing_libraries="$missing_libraries libhwloc"])
AC_CHECK_HEADERS([hwloc.h],[:], [missing_headers="$missing_headers $ac_header"])
fi
AC_ARG_ENABLE(linux_affinity, [AS_HELP_STRING([--enable-linux-affinity], [enable Linux sched_setaffinity and sched_getaffinity for affinity support, conflicts with hwloc])], ,enable_linux_affinity="check")
if test "x$enable_linux_affinity" = xcheck; then
if test "x$enable_hwloc" = xyes; then
enable_linux_affinity=no
else
AC_MSG_CHECKING([for usable sched_setaffinity])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
#include <errno.h>
static cpu_set_t cpuset;
]], [[
CPU_ZERO(&cpuset);
sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
if (errno == ENOSYS) return 1;
]])],
[enable_linux_affinity=yes
AC_MSG_RESULT([yes])],
[enable_linux_affinity=no
AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes (assumed while cross compiling)])])
fi
fi
if test "x$enable_linux_affinity" = xyes; then
AC_DEFINE(HAVE_LINUX_AFFINITY, 1, [Define if Linux sched_setaffinity and sched_getaffinity are to be used.])
fi
AC_ARG_ENABLE(hwloc, [AS_HELP_STRING([--enable-hwloc], [enable hwloc support for CPU affinity])],, enable_hwloc="no")
if test "x$enable_hwloc" = xyes
if test "x$enable_linux_affinity" = xyes -a "x$enable_hwloc" = xyes
then
AC_CHECK_LIB([hwloc], [hwloc_get_proc_cpubind], [], [missing_libraries="$missing_libraries libhwloc"])
AC_CHECK_HEADERS([hwloc.h],[:], [missing_headers="$missing_headers $ac_header"])
AC_MSG_ERROR([--enable-hwloc and --enable-linux-affinity are mutual exclusive. Specify at most one of them.])
fi
AC_ARG_ENABLE(setuid, [AS_HELP_STRING([--enable-setuid], [enable setuid support for platforms that need it])],, enable_setuid="no")