29 lines
872 B
Diff
29 lines
872 B
Diff
--- a/configure.ac
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+++ b/configure.ac
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@@ -1033,15 +1033,18 @@ AC_LINK_IFELSE(
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# Some platforms define sem_init(), but only support sem_open(). joyous.
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AC_MSG_CHECKING(for working unnamed semaphores)
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-AC_RUN_IFELSE(
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- [AC_LANG_PROGRAM([#include <semaphore.h>],
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- [sem_t sem; return sem_init(&sem, 0, 0);])],
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+AC_LINK_IFELSE(
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+ [AC_LANG_PROGRAM(
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+ [#include <semaphore.h>],
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+ [#if defined(__UCLIBC__)
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+ i_dont_exist sem;
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+ #else
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+ sem_t sem;
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+ #endif
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+ return sem_init(&sem, 0, 0);])],
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AC_MSG_RESULT(yes)
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AC_DEFINE([HAS_WORKING_SEMAPHORE], 1, [Define to 1 if anonymous semaphores work.]),
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- AC_MSG_RESULT(no),
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- AC_MSG_RESULT(cross-compile)
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- AC_MSG_NOTICE([WARNING: result yes guessed because of cross compilation])
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- AC_DEFINE([HAS_WORKING_SEMAPHORE], 1, [Define to 1 if anonymous semaphores work.])
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+ AC_MSG_RESULT(no)
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)
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LIBS="$save_LIBS"
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