X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=patchlevel.h;h=8d9d284d5f1ab8158e290c4d25de34d3977405ff;hb=6a0dd2cacfdb027e8f812533c89aa031ce506a85;hp=e25b1308bfd4d881c4c40622efc63ed6831fed9b;hpb=273cf8d1f309172b4416e78e4a8e80c12d941254;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/patchlevel.h b/patchlevel.h
index e25b130..8d9d284 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -12,12 +12,22 @@
    compatibility to run XS code built with the older version).
    Normally this should not change across maintenance releases.
 
-   This is used by Configure et al to figure out which version libraries
-   are legal to include in @INC.  See INSTALL for how this works.
+   Note that this only refers to an out-of-the-box build.  Many non-default
+   options such as usemultiplicity tend to break binary compatibility
+   more often.
+
+   This is used by Configure et al to figure out 
+   PERL_INC_VERSION_LIST, which lists version libraries
+   to include in @INC.  See INSTALL for how this works.
 */
 #define PERL_API_REVISION	5	/* Adjust manually as needed.  */
 #define PERL_API_VERSION	5	/* Adjust manually as needed.  */
-#define PERL_API_SUBVERSION	640	/* Adjust manually as needed.  */
+#define PERL_API_SUBVERSION	0	/* Adjust manually as needed.  */
+/*
+   XXX Note:  The selection of non-default Configure options, such
+   as -Duselonglong may invalidate these settings.  Currently, Configure
+   does not adequately test for this.   A.D.  Jan 13, 2000
+*/
 
 #define __PATCHLEVEL_H_INCLUDED__
 #endif