| --- a/configure.ac |
| +++ b/configure.ac |
| @@ -1090,15 +1090,18 @@ AC_LINK_IFELSE( |
| |
| # Some platforms define sem_init(), but only support sem_open(). joyous. |
| AC_MSG_CHECKING(for working unnamed semaphores) |
| -AC_RUN_IFELSE( |
| - [AC_LANG_PROGRAM([#include <semaphore.h>], |
| - [sem_t sem; return sem_init(&sem, 0, 0);])], |
| +AC_LINK_IFELSE( |
| + [AC_LANG_PROGRAM( |
| + [#include <semaphore.h>], |
| + [#if defined(__UCLIBC__) |
| + i_dont_exist sem; |
| + #else |
| + sem_t sem; |
| + #endif |
| + return sem_init(&sem, 0, 0);])], |
| AC_MSG_RESULT(yes) |
| AC_DEFINE([HAS_WORKING_SEMAPHORE], 1, [Define to 1 if anonymous semaphores work.]), |
| - AC_MSG_RESULT(no), |
| - AC_MSG_RESULT(cross-compile) |
| - AC_MSG_NOTICE([WARNING: result yes guessed because of cross compilation]) |
| - AC_DEFINE([HAS_WORKING_SEMAPHORE], 1, [Define to 1 if anonymous semaphores work.]) |
| + AC_MSG_RESULT(no) |
| ) |
| |
| LIBS="$save_LIBS" |