diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index c59895d7..ca198ea4 100644 --- a/configure.ac +++ b/configure.ac @@ -87,6 +87,7 @@ AC_TYPE_UINT8_T AC_HEADER_TIME AC_STRUCT_TM AC_C_VOLATILE +AC_C_TYPEOF sa_includes="\ $ac_includes_default @@ -129,7 +130,8 @@ AC_TRY_COMPILE([ # check for availability of atomic operations RS_ATOMIC_OPERATIONS RS_ATOMIC_OPERATIONS_64BIT - +# fall back to POSIX sems for atomic operations (cpu expensive) +AC_CHECK_HEADERS([semaphore.h]) # Additional module directories AC_ARG_WITH(moddirs, |