diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index ee09faf..0c8a325 100644 --- a/configure.ac +++ b/configure.ac @@ -46,6 +46,31 @@ dnl dnl Locate a suitable tmp file system for creating shared memeory files dnl +AC_ARG_ENABLE(futex, AS_HELP_STRING([--enable-futex], [Enable futexes (default: auto)]), + [FUTEX=$enableval], [FUTEX=auto]) + +if test "x$FUTEX" = "xauto"; then + AC_CHECK_HEADER([linux/futex.h], [FUTEX=yes], [FUTEX=no]) +fi + +if test "x$FUTEX" = "xyes"; then + PTHREAD=no + AC_DEFINE(HAVE_FUTEX,1,[Use futexes]) +else + PTHREAD=yes + AC_DEFINE(HAVE_PTHREAD,1,[Use pthread primitives]) +fi + +PTHREAD_LIBS= +if test "x$PTHREAD" = "xyes"; then + AC_CHECK_LIB(pthread,pthread_create,[PTHREAD_LIBS=-lpthread],[PTHREAD_LIBS=]) +fi + +AC_SUBST([PTHREAD_LIBS]) + +AM_CONDITIONAL([FUTEX], [test x"$FUTEX" = xyes]) +AM_CONDITIONAL([PTHREAD], [test x"$PTHREAD" = xyes]) + AC_ARG_WITH(shared-memory-dir, AS_HELP_STRING([--with-shared-memory-dir=PATH], [Path to directory in a world-writable temporary directory for anonymous shared memory (default: auto)]), [], [with_shared_memory_dir=yes]) |