Announce plans for -Duse32bit* options for Configure, and document

that there is no guarantee on 32bit builds when no args passed

p4raw-id: //depot/perl@31950

diff --git a/INSTALL b/INSTALL
index 6b29b2d..0b72af6 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -307,6 +307,10 @@ have to reboot/reconfigure/rebuild your operating system to be 64-bit
 aware.
 
 Natively 64-bit systems need neither -Duse64bitint nor -Duse64bitall.
+On these systems, it might be the default compilation mode, and there
+is currently no guarantee that passing no use64bitall option to the
+Configure process will build a 32bit perl. Implementing -Duse32bit*
+options is planned for perl 5.12.
 
 =head3 Long doubles