diff options
Diffstat (limited to 'configure.cmake')
| -rw-r--r-- | configure.cmake | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/configure.cmake b/configure.cmake index cba9e79ff23..954b60a45f6 100644 --- a/configure.cmake +++ b/configure.cmake @@ -269,6 +269,49 @@ ENDIF() # FIND_PACKAGE (Threads) +FUNCTION(MY_CHECK_PTHREAD_ONCE_INIT) + CHECK_C_COMPILER_FLAG("-Werror" HAVE_WERROR_FLAG) + IF(NOT HAVE_WERROR_FLAG) + RETURN() + ENDIF() + SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror") + CHECK_C_SOURCE_COMPILES(" + #include <pthread.h> + void foo(void) {} + int main() + { + pthread_once_t once_control = PTHREAD_ONCE_INIT; + pthread_once(&once_control, foo); + return 0; + }" + HAVE_PTHREAD_ONCE_INIT + ) + # http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6611808 + IF(NOT HAVE_PTHREAD_ONCE_INIT) + CHECK_C_SOURCE_COMPILES(" + #include <pthread.h> + void foo(void) {} + int main() + { + pthread_once_t once_control = { PTHREAD_ONCE_INIT }; + pthread_once(&once_control, foo); + return 0; + }" + HAVE_ARRAY_PTHREAD_ONCE_INIT + ) + ENDIF() + IF(HAVE_PTHREAD_ONCE_INIT) + SET(PTHREAD_ONCE_INITIALIZER "PTHREAD_ONCE_INIT" PARENT_SCOPE) + ENDIF() + IF(HAVE_ARRAY_PTHREAD_ONCE_INIT) + SET(PTHREAD_ONCE_INITIALIZER "{ PTHREAD_ONCE_INIT }" PARENT_SCOPE) + ENDIF() +ENDFUNCTION() + +IF(CMAKE_USE_PTHREADS_INIT) + MY_CHECK_PTHREAD_ONCE_INIT() +ENDIF() + # # Tests for functions # |