| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | --- a/configure.ac |
| 2 | +++ b/configure.ac |
| 3 | @@ -1090,15 +1090,18 @@ AC_LINK_IFELSE( |
| 4 | |
| 5 | # Some platforms define sem_init(), but only support sem_open(). joyous. |
| 6 | AC_MSG_CHECKING(for working unnamed semaphores) |
| 7 | -AC_RUN_IFELSE( |
| 8 | - [AC_LANG_PROGRAM([#include <semaphore.h>], |
| 9 | - [sem_t sem; return sem_init(&sem, 0, 0);])], |
| 10 | +AC_LINK_IFELSE( |
| 11 | + [AC_LANG_PROGRAM( |
| 12 | + [#include <semaphore.h>], |
| 13 | + [#if defined(__UCLIBC__) |
| 14 | + i_dont_exist sem; |
| 15 | + #else |
| 16 | + sem_t sem; |
| 17 | + #endif |
| 18 | + return sem_init(&sem, 0, 0);])], |
| 19 | AC_MSG_RESULT(yes) |
| 20 | AC_DEFINE([HAS_WORKING_SEMAPHORE], 1, [Define to 1 if anonymous semaphores work.]), |
| 21 | - AC_MSG_RESULT(no), |
| 22 | - AC_MSG_RESULT(cross-compile) |
| 23 | - AC_MSG_NOTICE([WARNING: result yes guessed because of cross compilation]) |
| 24 | - AC_DEFINE([HAS_WORKING_SEMAPHORE], 1, [Define to 1 if anonymous semaphores work.]) |
| 25 | + AC_MSG_RESULT(no) |
| 26 | ) |
| 27 | |
| 28 | LIBS="$save_LIBS" |