Merge pull request #1131 from djpohly/check-pthread-functions

CMake: check for timed pthreads functions

StepmaniaCore.cmake

@@ -231,6 +231,9 @@ find_package(Iconv)
 find_package(Threads)
 if (${Threads_FOUND})
   set(HAS_PTHREAD TRUE)
+  list(APPEND CMAKE_REQUIRED_LIBRARIES pthread)
+  check_symbol_exists(pthread_mutex_timedlock pthread.h HAVE_PTHREAD_MUTEX_TIMEDLOCK)
+  check_symbol_exists(pthread_cond_timedwait pthread.h HAVE_PTHREAD_COND_TIMEDWAIT)
 else()
   set(HAS_PTHREAD FALSE)
 endif()

src/config.in.hpp

@@ -93,6 +93,12 @@
 /* Defined to 1 if the underlying system provides the posix_fadvise function. */
 #cmakedefine HAVE_POSIX_FADVISE 1
 
+/* Defined to 1 if the underlying system provides the pthread_mutex_timedlock function. */
+#cmakedefine HAVE_PTHREAD_MUTEX_TIMEDLOCK 1
+
+/* Defined to 1 if the underlying system provides the pthread_cond_timedwait function. */
+#cmakedefine HAVE_PTHREAD_COND_TIMEDWAIT 1
+
 /* Provide a fallback if intptr_t is not defined. */
 #cmakedefine HAVE_SIZEOF_INTPTR_T 1
 #if !defined(HAVE_SIZEOF_INTPTR_T)