Add gthr.m4

2012-10-15  Pavel Chupin  <pavel.v.chupin@intel.com>

	* gthr.m4: New. Define GCC_AC_THREAD_HEADER.

diff --git a/config/ChangeLog b/config/ChangeLog
index 7db0c6b04c301ea275832064986fc750a7e342a0..c74839ac3c64dcd43ec373a7c51fecd78fefe40b 100644 (file)
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2012-10-15  Pavel Chupin  <pavel.v.chupin@intel.com>
+
+       * gthr.m4: New. Define GCC_AC_THREAD_HEADER.
+
 2012-09-19  Steve Ellcey  <sellcey@mips.com>
 
        * mt-sde: Change -mcode-xonly to -mcode-readable=pcrel.

diff --git a/config/gthr.m4 b/config/gthr.m4
new file mode 100644 (file)
index 0000000..7b29f1f
--- /dev/null
+++ b/config/gthr.m4
@@ -0,0 +1,27 @@
+dnl Copyright (C) 2012 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl Define header location by thread model
+
+dnl usage: GCC_AC_THREAD_HEADER([thread_model])
+AC_DEFUN([GCC_AC_THREAD_HEADER],
+[
+case $1 in
+    aix)       thread_header=config/rs6000/gthr-aix.h ;;
+    dce)       thread_header=config/pa/gthr-dce.h ;;
+    lynx)      thread_header=config/gthr-lynx.h ;;
+    mipssde)   thread_header=config/mips/gthr-mipssde.h ;;
+    posix)     thread_header=gthr-posix.h ;;
+    rtems)     thread_header=config/gthr-rtems.h ;;
+    single)    thread_header=gthr-single.h ;;
+    tpf)       thread_header=config/s390/gthr-tpf.h ;;
+    vxworks)   thread_header=config/gthr-vxworks.h ;;
+    win32)     thread_header=config/i386/gthr-win32.h ;;
+esac
+AC_SUBST(thread_header)
+])
+