# HG changeset patch
# User jwe
# Date 1034174684 0
# Node ID 60abc5f865657fb417e1ab90b1ad9ba335999d79
# Parent  3e631060ab8f3042cf516034d8da9c08b36129c3
[project @ 2002-10-09 14:44:44 by jwe]

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-10-09  John W. Eaton  <jwe@bevo.che.wisc.edu>
+
+	* aclocal.m4 (OCTAVE_CXX_PRAGMA_INTERFACE_IMPLEMENTATION):
+	Add second test for OS X.
+
 2002-10-08  John W. Eaton  <jwe@bevo.che.wisc.edu>
 
 	* aclocal.m4 (OCTAVE_CXX_PRAGMA_INTERFACE_IMPLEMENTATION): New macro.
diff --git a/aclocal.m4 b/aclocal.m4
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -381,9 +381,21 @@
   B (void) : A<int> () { }
 };
 EOB
-    AC_TRY_LINK([#include "conftest.h"], [
-      ], 
-      octave_cv_cxx_pragma_interface_implementation=yes,
+    AC_TRY_LINK([#include "conftest.h"], [], [
+      rm -f conftest.h
+      cat > conftest.h <<EOB
+#pragma interface
+class A
+{
+public:
+  virtual ~A (void) {}
+};
+EOB
+      AC_TRY_COMPILE([#pragma implementation
+#include "confdefs.h"], [],
+	octave_cv_cxx_pragma_interface_implementation=yes,
+      	octave_cv_cxx_pragma_interface_implementation=no
+	)],
       octave_cv_cxx_pragma_interface_implementation=no
     )
     AC_LANG_POP(C++)