Hi,
I wanted to write a check whether pthread_mutex_init and
pthread_spin_init exist in pthread.h. Therefore,
I used the following CMake commands:
INCLUDE(CheckFunctionExists)
CHECK_FUNCTION_EXISTS("pthread_spin_init"
HAVE_PTHREAD_SPINLOCK)
CHECK_FUNCTION_EXISTS("pthread_mutex_init" HAVE_PTHREAD_MUTEX)
The result of running CMake on a Linux system gives me
-- Looking for pthread_spin_init
-- Looking for pthread_spin_init - not found
-- Looking for pthread_mutex_init
-- Looking for pthread_mutex_init - found.
Although pthread_spin_init is declared in my pthread.h and my code
compiles and uses it, CMake does not find it.
However, I saw that this function is guarded in an "#ifdef
__USE_XOPEN2K". Could that be the reason why
CMake doesn't find it or am I doing something wrong here?
Thanks in advance.
Matthias
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