diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/configure.in b/configure.in index d439bb5..f8ed25e 100644 --- a/configure.in +++ b/configure.in @@ -124,6 +124,11 @@ AH_TEMPLATE([HAVE_PROC_INTERRUPTS], can be examined to determine when keyboard activity has occurred.]) +AH_TEMPLATE([HAVE_PROC_OOM], + [Define this if you have a Linux-like /proc/.../oom_score_adj file + which can be adjusted by root to exempt us from the out-of-memory + .]) + AH_TEMPLATE([HAVE_MOTIF],[Define this if you have Motif.]) AH_TEMPLATE([HAVE_XMCOMBOBOX], @@ -1952,6 +1957,49 @@ fi ############################################################################### # +# Check for /proc/*/oom_score_adj. +# +############################################################################### + +have_proc_oom=no +with_proc_oom_req=unspecified +AC_ARG_WITH(proc-oom, +[ --with-proc-oom Include support for disabling the OOM-killer.], + [with_proc_oom="$withval"; with_proc_oom_req="$withval"], + [with_proc_oom=yes]) + +if test "$with_proc_oom_req" = yes; then + + # Note that we may be building in an environment (e.g. Debian buildd chroot) + # without a proper /proc filesystem. + # + have_proc_oom=yes + AC_DEFINE(HAVE_PROC_OOM) + +elif test "$with_proc_oom_req" = unspecified; then + + have_proc_oom=no + AC_CACHE_CHECK([whether /proc/$$/oom_score_adj exists], + ac_cv_have_proc_oom, + [ac_cv_have_proc_oom=no + if test -f /proc/$$/oom_score_adj; then + ac_cv_have_proc_oom=yes + fi + ]) + have_proc_oom=$ac_cv_have_proc_oom + + if test "$have_proc_oom" = yes; then + AC_DEFINE(HAVE_PROC_OOM) + fi + +elif test "$with_proc_oom" != no; then + echo "error: must be yes or no: --with-proc-oom=$with_proc_oom" + exit 1 +fi + + +############################################################################### +# # The --enable-locking option # ############################################################################### |