2016-12-12 07:07:08 +00:00
|
|
|
dnl The libpthread.so library
|
|
|
|
|
dnl
|
|
|
|
|
dnl Copyright (C) 2016 Red Hat, Inc.
|
|
|
|
|
dnl
|
|
|
|
|
dnl This library is free software; you can redistribute it and/or
|
|
|
|
|
dnl modify it under the terms of the GNU Lesser General Public
|
|
|
|
|
dnl License as published by the Free Software Foundation; either
|
|
|
|
|
dnl version 2.1 of the License, or (at your option) any later version.
|
|
|
|
|
dnl
|
|
|
|
|
dnl This library is distributed in the hope that it will be useful,
|
|
|
|
|
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
|
dnl Lesser General Public License for more details.
|
|
|
|
|
dnl
|
|
|
|
|
dnl You should have received a copy of the GNU Lesser General Public
|
|
|
|
|
dnl License along with this library. If not, see
|
|
|
|
|
dnl <http://www.gnu.org/licenses/>.
|
|
|
|
|
dnl
|
|
|
|
|
|
|
|
|
|
AC_DEFUN([LIBVIRT_CHECK_PTHREAD], [
|
2020-01-17 15:30:51 +00:00
|
|
|
dnl Availability of pthread functions
|
2016-12-12 07:07:08 +00:00
|
|
|
|
2020-01-17 15:30:51 +00:00
|
|
|
AC_SEARCH_LIBS([pthread_mutexattr_init],[pthread ""])
|
2016-12-12 07:07:08 +00:00
|
|
|
|
2020-01-17 15:30:51 +00:00
|
|
|
if test "$ac_cv_func_pthread_mutexattr_init" = "no"
|
2016-12-12 07:07:08 +00:00
|
|
|
then
|
2020-01-17 15:30:51 +00:00
|
|
|
AC_MSG_ERROR([libpthread is required for building libvirt])
|
2016-12-12 07:07:08 +00:00
|
|
|
fi
|
2020-01-17 15:30:51 +00:00
|
|
|
THREAD_LIBS=""
|
|
|
|
|
if test "x$ac_cv_func_pthread_mutexattr_init" != "x"
|
|
|
|
|
then
|
|
|
|
|
THREAD_LIBS="-l$ac_cv_func_pthread_mutexattr_init"
|
|
|
|
|
fi
|
|
|
|
|
AC_SUBST([THREAD_LIBS])
|
|
|
|
|
|
|
|
|
|
AC_CHECK_HEADER([pthread.h],,[
|
|
|
|
|
AC_MSG_ERROR([pthread.h is required for building libvirt])
|
|
|
|
|
])
|
2016-12-12 07:07:08 +00:00
|
|
|
|
|
|
|
|
dnl At least mingw64-winpthreads #defines pthread_sigmask to 0,
|
|
|
|
|
dnl which in turn causes compilation to complain about unused variables.
|
|
|
|
|
dnl Expose this broken implementation, so we can work around it.
|
|
|
|
|
AC_CACHE_CHECK([whether pthread_sigmask does anything],
|
|
|
|
|
[lv_cv_pthread_sigmask_works],
|
|
|
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
|
#include <signal.h>
|
|
|
|
|
]], [[
|
|
|
|
|
#ifdef pthread_sigmask
|
|
|
|
|
int (*foo)(int, const sigset_t *, sigset_t *) = &pthread_sigmask;
|
|
|
|
|
return !foo;
|
|
|
|
|
#endif
|
|
|
|
|
]])], [lv_cv_pthread_sigmask_works=yes], [lv_cv_pthread_sigmask_works=no])])
|
|
|
|
|
if test "x$lv_cv_pthread_sigmask_works" != xyes; then
|
|
|
|
|
AC_DEFINE([FUNC_PTHREAD_SIGMASK_BROKEN], [1],
|
|
|
|
|
[Define to 1 if pthread_sigmask is not a real function])
|
|
|
|
|
fi
|
|
|
|
|
])
|
