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# LIBPTHREAD_CHECK_CONFIG ([DEFAULT-ACTION])

# ----------------------------------------------------------

#

# Checks for pthread.

#

# This macro sets @LIBPTHREAD_LDFLAGS@, @LIBPTHREAD_CFLAGS@ and @LIBPTHREAD_LIBS@ to the necessary

# values.

#

# This macro is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

​

AC_DEFUN([LIBPTHREAD_TRY_LINK],

[

AC_LINK_IFELSE([AC_LANG_PROGRAM([[

#include <pthread.h>

]], [[

    pthread_mutexattr_t mta;

    pthread_mutex_t     mutex;

​

    pthread_mutexattr_init(&mta);

    pthread_mutex_init(&mutex, &mta);

]])],[found_libpthread="yes"],[])

])dnl

​

AC_DEFUN([LIBPTHREAD_TRY_RUN],

[

    AC_RUN_IFELSE(

    [

        AC_LANG_SOURCE(

        #include <pthread.h>

​

        int main()

        {

            pthread_mutexattr_t mta;

            pthread_rwlockattr_t    rwa;

            pthread_mutex_t     mutex;

            pthread_rwlock_t    rwlock;

​

            if (0 != pthread_mutexattr_init(&mta))

                return 1;

​

            if (0 != pthread_mutexattr_setpshared(&mta, PTHREAD_PROCESS_SHARED))

                return 2;

​

            if (0 != pthread_mutex_init(&mutex, &mta))

                return 3;

​

            if (0 != pthread_rwlockattr_init(&rwa))

                return 4;

​

            if (0 != pthread_rwlockattr_setpshared(&rwa, PTHREAD_PROCESS_SHARED))

                return 5;

​

            if (0 != pthread_rwlock_init(&rwlock, &rwa))

                return 6;

​

            return 0;

        }

        )

    ]

    ,

    found_libpthread_process_shared="yes",

    found_libpthread_process_shared="no",

    found_libpthread_process_shared="no" dnl action-if-cross-compiling

    )

])

​

AC_DEFUN([LIBPTHREAD_CHECK_CONFIG],

[

    AC_ARG_WITH([libpthread],[

If you want to specify pthread installation directories:

AS_HELP_STRING([--with-libpthread@<:@=DIR@:>@], [use libpthread from given base install directory (DIR), default is to search through a number of common places for the libpthread files.])],

        [

            test "x$withval" = "xyes" && withval=/usr

            LIBPTHREAD_CFLAGS="-I$withval/include"

            LIBPTHREAD_LDFLAGS="-L$withval/lib"

            _libpthread_dir_set="yes"

        ]

    )

​

    AC_ARG_WITH([libpthread-include],

        AS_HELP_STRING([--with-libpthread-include@<:@=DIR@:>@],

            [use libpthread include headers from given path.]

        ),

        [

            LIBPTHREAD_CFLAGS="-I$withval"

            _libpthread_dir_set="yes"

        ]

    )

​