diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 1e41b3f080..c449294d0f 100644 --- a/configure.ac +++ b/configure.ac @@ -792,6 +792,34 @@ AC_CHECK_MEMBERS([SSL.state], , , [#include <openssl/ssl.h> ]) +dnl Define the set of checks for KIST scheduler support. +AC_DEFUN([CHECK_KIST_SUPPORT],[ + dnl KIST needs struct tcp_info and for certain members to exist. + AC_CHECK_MEMBERS( + [struct tcp_info.tcpi_unacked, struct tcp_info.tcpi_snd_mss], + , ,[[#include <netinet/tcp.h>]]) + dnl KIST needs SIOCOUTQNSD to exist for an ioctl call. + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ + #include <linux/sockios.h> + #ifndef SIOCOUTQNSD + #error + #endif + ])], have_siocoutqnsd=yes, have_siocoutqnsd=no) + if test "x$have_siocoutqnsd" = "xyes"; then + if test "x$ac_cv_member_struct_tcp_info_tcpi_unacked" = "xyes"; then + if test "x$ac_cv_member_struct_tcp_info_tcpi_snd_mss" = "xyes"; then + have_kist_support=yes + fi + fi + fi +]) +dnl Now, trigger the check. +CHECK_KIST_SUPPORT +AS_IF([test "x$have_kist_support" = "xyes"], + [AC_DEFINE(HAVE_KIST_SUPPORT, 1, [Defined if KIST scheduler is supported + on this system])], + [AC_MSG_NOTICE([KIST scheduler can't be used. Missing support.])]) + LIBS="$save_LIBS" LDFLAGS="$save_LDFLAGS" CPPFLAGS="$save_CPPFLAGS" |