Central point for top-level --with and --enable flags

This commit was SVN r26.

config/lam_configure_options.m4

@@ -0,0 +1,56 @@
+dnl -*- shell-script -*-
+dnl
+dnl $HEADER$
+dnl
+dnl $Id: lam_configure_options.m4,v 1.1 2004/01/07 07:42:12 jsquyres Exp $
+dnl
+
+AC_DEFUN(LAM_CONFIGURE_OPTIONS,[
+lam_show_subtitle "Configuration options"
+
+#
+# Purify clean
+#
+
+AC_MSG_CHECKING([whether to enable memory zeroing])
+AC_ARG_ENABLE(memzero, 
+    AC_HELP_STRING([--enable-memzero],
+                   [enable memory zeroing (debugging only)]))
+if test "$enable_memzero" = "yes"; then
+    AC_MSG_RESULT([yes])
+    want_memzero=1
+else
+    AC_MSG_RESULT([no])
+    want_memzero=0
+fi
+AC_DEFINE_UNQUOTED(LAM_ENABLE_MEMZERO, $want_memzero,
+    [Whether we want the LAM_MEMZERO macro to memset or not])
+
+#
+# Developer debugging
+#
+
+AC_MSG_CHECKING([if want developer-level debugging code])
+AC_ARG_ENABLE(purify, 
+    AC_HELP_STRING([--enable-debug],
+                   [enable developer-level debugging code (not for general MPI users!)]))
+if test "$enable_debug" = "yes"; then
+    AC_MSG_RESULT([yes])
+    want_debug=1
+else
+    AC_MSG_RESULT([no])
+    want_debug=0
+fi
+AC_DEFINE_UNQUOTED(LAM_ENABLE_DEBUG, $want_debug,
+    [Whether we want developer-level debugging code or not])
+
+# --enable-dist
+# --disable-profile
+# --disable-f77
+# ...?
+
+# amorphous, seem-to-be-good-idea options
+# --with-lam=maintainer_options
+# --with-mca-*
+# ...?
+])