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meson: add thread build dependency

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
This commit is contained in:
Pavel Hrdina 2020-04-29 11:46:41 +02:00
parent 93b54d7068
commit 4cd405eef9
3 changed files with 18 additions and 59 deletions
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1
configure.ac
View File

@ -116,7 +116,6 @@ LIBVIRT_ARG_YAJL
LIBVIRT_CHECK_NWFILTER
LIBVIRT_CHECK_PM_UTILS
LIBVIRT_CHECK_PTHREAD
LIBVIRT_CHECK_UDEV
LIBVIRT_CHECK_VIRTUALPORT
LIBVIRT_CHECK_WIRESHARK

58
m4/virt-pthread.m4
View File

@ -1,58 +0,0 @@
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], [
dnl Availability of pthread functions
AC_SEARCH_LIBS([pthread_mutexattr_init],[pthread ""])
if test "$ac_cv_func_pthread_mutexattr_init" = "no"
then
AC_MSG_ERROR([libpthread is required for building libvirt])
fi
THREAD_LIBS=""
if test "x$ac_cv_func_pthread_mutexattr_init" != "x"
then
THREAD_LIBS="-l$ac_cv_func_pthread_mutexattr_init"
fi
AC_SUBST([THREAD_LIBS])
AC_CHECK_HEADER([pthread.h],,[
AC_MSG_ERROR([pthread.h is required for building libvirt])
])
dnl At least mingw64-winpthreads #defines pthread_sigmask to 0,
dnl which in turn causes compilation to complain about unused variables.
dnl Expose this broken implementation, so we can work around it.
AC_CACHE_CHECK([whether pthread_sigmask does anything],
[lv_cv_pthread_sigmask_works],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <signal.h>
]], [[
#ifdef pthread_sigmask
int (*foo)(int, const sigset_t *, sigset_t *) = &pthread_sigmask;
return !foo;
#endif
]])], [lv_cv_pthread_sigmask_works=yes], [lv_cv_pthread_sigmask_works=no])])
if test "x$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
])

18
meson.build
View File

@ -1364,6 +1364,24 @@ if selinux_dep.found()
conf.set('WITH_SELINUX', 1)
endif
thread_dep = dependency('threads', required: true)
pthread_sigmask_code = '''
#include <sys/types.h>
#include <signal.h>
int main() {
#ifdef pthread_sigmask
int (*foo)(int, const sigset_t *, sigset_t *) = &pthread_sigmask;
return !foo;
#endif
return 0;
}
'''
if not cc.compiles(pthread_sigmask_code)
conf.set('FUNC_PTHREAD_SIGMASK_BROKEN', 1)
endif
# generic build dependencies checks