From 39a50c763240da578a05a6b651776804786d813a Mon Sep 17 00:00:00 2001
From: Piotr Krysik <perper@o2.pl>
Date: Tue, 7 Apr 2009 12:47:18 +0200
Subject: Added files from gr-howto-write-a-block

---
 config/gr_omnithread.m4 | 51 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 config/gr_omnithread.m4

(limited to 'config/gr_omnithread.m4')

diff --git a/config/gr_omnithread.m4 b/config/gr_omnithread.m4
new file mode 100644
index 0000000..b5e4090
--- /dev/null
+++ b/config/gr_omnithread.m4
@@ -0,0 +1,51 @@
+# Check for Omnithread (pthread/NT) thread support.             -*- Autoconf -*-
+
+# Copyright 2003 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+
+# This program 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.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Boston, MA
+# 02110-1301, USA.
+
+AC_DEFUN([GR_OMNITHREAD],
+[
+  # Check first for POSIX
+  ACX_PTHREAD(
+  [ ot_posix="yes"
+    AC_DEFINE(OMNITHREAD_POSIX,[1],[Define to 1 to enable pthread])
+  ],[
+    # If no POSIX support found, then check for NT threads
+    AC_MSG_CHECKING([for NT threads])
+
+    AC_LINK_IFELSE([
+        #include <windows.h>
+        #include <winbase.h>
+        int main() { InitializeCriticalSection(NULL); return 0; }
+      ],
+      [ 
+        ot_nt="yes"
+	AC_DEFINE(OMNITHREAD_NT,[1],[Define to 1 to enable NT thread])
+      ],
+      [AC_MSG_FAILURE([GNU Radio requires POSIX threads.  pthreads not found.])]
+    )
+    AC_MSG_RESULT(yes)
+  ])
+  AM_CONDITIONAL(OMNITHREAD_POSIX, test "x$ot_posix" = xyes)
+  AM_CONDITIONAL(OMNITHREAD_NT, test "x$ot_nt" = xyes)
+
+  save_LIBS="$LIBS"
+  AC_SEARCH_LIBS([clock_gettime], [rt], [PTHREAD_LIBS="$PTHREAD_LIBS $LIBS"])
+  AC_CHECK_FUNCS([clock_gettime gettimeofday nanosleep])
+  LIBS="$save_LIBS"
+])
+
-- 
cgit v1.2.3