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From 0973babb46f37ae7a2c7cf4f6884ea700802d9a9 Mon Sep 17 00:00:00 2001
From: Christoph Reiter <reiter.christoph@gmail.com>
Date: Sun, 1 Aug 2021 18:33:52 +0200
Subject: [PATCH 130/N] configure.ac: default to --with-nt-threads with mingw
Everything else is untested, so make the default system dependent
---
configure.ac | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/configure.ac b/configure.ac
index 82bea12..0497199 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2215,24 +2215,31 @@ dnl impact build process. When a new functionality is added, developers
dnl are responsible to update configure script to avoid thread models
dnl to be mixed.
-AC_MSG_CHECKING([for NT threads])
+AC_MSG_CHECKING([for --with-nt-threads])
AC_ARG_WITH(nt-threads,
- AS_HELP_STRING([--with-nt-threads], [build with windows threads]),
+ AS_HELP_STRING([--with-nt-threads], [build with windows threads (default is system-dependent)]),
[
case $withval in
no) with_nt_threads=no;;
yes) with_nt_threads=yes;;
*) with_nt_threads=yes;;
- esac], [
- with_nt_threads=no])
+ esac
+], [
+ case $host in
+ *-*-mingw*) with_nt_threads=yes;;
+ *) with_nt_threads=no;;
+ esac
+])
+AC_MSG_RESULT([$with_nt_threads])
+
if test $with_nt_threads = yes ; then
+AC_MSG_CHECKING([whether linking with nt-threads work])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[]],[[_beginthread(0, 0, 0);]])
],
- [with_nt_threads=yes],
- [with_nt_threads=no])
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_ERROR([failed to link with nt-threads])])
fi
-AC_MSG_RESULT([$with_nt_threads])
if test $with_nt_threads = yes ; then
dnl temporary default flag to avoid additional pthread checks
--
2.32.0
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