BUG: fix for SGI Native compiler

Tests/Complex/cmTestConfigure.h.in

@@ -3,3 +3,7 @@
 #define STRING_VAR "${STRING_VAR}"
 
 
+#undef CMAKE_NO_STD_NAMESPACE
+#undef CMAKE_NO_ANSI_STREAM_HEADERS
+#undef CMAKE_NO_ANSI_FOR_SCOPE
+

Tests/ComplexOneConfig/cmTestConfigure.h.in

@@ -3,3 +3,7 @@
 #define STRING_VAR "${STRING_VAR}"
 
 
+#undef CMAKE_NO_STD_NAMESPACE
+#undef CMAKE_NO_ANSI_STREAM_HEADERS
+#undef CMAKE_NO_ANSI_FOR_SCOPE
+

Tests/ComplexRelativePaths/cmTestConfigure.h.in

@@ -3,3 +3,7 @@
 #define STRING_VAR "${STRING_VAR}"
 
 
+#undef CMAKE_NO_STD_NAMESPACE
+#undef CMAKE_NO_ANSI_STREAM_HEADERS
+#undef CMAKE_NO_ANSI_FOR_SCOPE
+

configure.in

@@ -30,7 +30,18 @@ case $system in
           echo "$ac_t""no" 1>&6
         fi
         rm -f conftest*
-	;;
+	;;  
+    IRIX-6* | IRIX64-6* | IRIX-64-6*)
+        echo $ac_n "checking whether ${CC} accepts -LANG:std""... $ac_c" 1>&6
+        echo 'void f(){}' > conftest.c
+        if test -z "`${CC} -LANG:std -c conftest.c 2>&1`"; then
+          echo "$ac_t""yes" 1>&6
+          CMAKE_ANSI_CFLAGS="-LANG:std"
+        else
+          echo "$ac_t""no" 1>&6
+        fi
+        rm -f conftest*
+	;;  
 esac
 fi
 AC_SUBST(CMAKE_ANSI_CFLAGS)