$OpenBSD: patch-Modules_CMakeDetermineSystem_cmake,v 1.1 2011/04/29 16:50:32 sthen Exp $

programs expect CMAKE_HOST_SYSTEM_PROCESSOR to contain a simple,
single-word processor type. "arch -s" provides the closest to
this on OpenBSD.

--- Modules/CMakeDetermineSystem.cmake.orig	Tue Feb 15 17:47:26 2011
+++ Modules/CMakeDetermineSystem.cmake	Fri Apr 29 11:29:23 2011
@@ -51,12 +51,17 @@ IF(CMAKE_HOST_UNIX)
       EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
         RETURN_VALUE val)
     ELSE(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*")
-      EXEC_PROGRAM(uname ARGS -p OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
-        RETURN_VALUE val)
-      IF("${val}" GREATER 0)
-        EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
+      IF(CMAKE_HOST_SYSTEM_NAME MATCHES "OpenBSD")
+        EXEC_PROGRAM(arch ARGS -s OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
           RETURN_VALUE val)
-      ENDIF("${val}" GREATER 0)
+      ELSE(CMAKE_HOST_SYSTEM_NAME MATCHES "OpenBSD")
+        EXEC_PROGRAM(uname ARGS -p OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
+          RETURN_VALUE val)
+        IF("${val}" GREATER 0)
+          EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
+            RETURN_VALUE val)
+        ENDIF("${val}" GREATER 0)
+      ENDIF(CMAKE_HOST_SYSTEM_NAME MATCHES "OpenBSD")
     ENDIF(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*")
     # check the return of the last uname -m or -p 
     IF("${val}" GREATER 0)