Regen Configure, all of xs_apiversion didn't take.

p4raw-id: //depot/cfgperl@4284

3 files changed, 79 insertions, 9 deletions

diff --git a/Porting/Glossary b/Porting/Glossary
index 46fb810f0a..861d4be3bc 100644
--- a/Porting/Glossary
+++ b/Porting/Glossary
@@ -2560,6 +2560,21 @@ plibpth (libpth.U):
 	Its value is prepend to libpth. This variable takes care of special
 	machines, like the mips.  Usually, it should be empty.
 
+pm_apiversion (xs_apiversion.U):
+	This variable contains the version of the oldest perl
+	compatible with the present perl.  (That is, pure perl modules
+	written for $pm_apiversion will still work for the current
+	version).  perl.c:incpush() and lib/lib.pm will automatically
+	search in $sitelib for older directories across major versions
+	back to pm_apiversion.  This is only useful if you have a perl
+	library directory tree structured like the default one.  The
+	versioned site_perl library was introduced in 5.005, so that's
+	the default setting for this variable.  It's hard to imagine
+	it changing before Perl6.  It is included here for symmetry
+	with xs_apiveprsion -- the searching algorithms will
+	(presumably) be similar.
+	See the INSTALL file for how this works.
+
 pmake (Loc.U):
 	This variable is defined but not used by Configure.
 	The value is a plain '' and is not useful.
@@ -3158,6 +3173,23 @@ xlibpth (libpth.U):
 	libraries on this platform, for example CPU-specific libraries
 	(on multi-CPU platforms) may be listed here.
 
+xs_apiversion (xs_apiversion.U):
+	This variable contains the version of the oldest perl binary
+	compatible with the present perl.  perl.c:incpush() and
+	lib/lib.pm will automatically search in $sitearch for older
+	directories across major versions back to xs_apiversion.
+	This is only useful if you have a perl library directory tree
+	structured like the default one.
+	See INSTALL for how this works.
+	The versioned site_perl directory was introduced in 5.005,
+	so that is the lowest possible value.
+	Since this can depend on compile time options (such as
+	bincompat) it is set by Configure.  Other non-default sources
+	of potential incompatibility, such as multiplicity, threads,
+	debugging, 64bits, sfio, etc., are not checked for currently,
+	though in principle we could go snooping around in old
+	Config.pm files.
+
 zcat (Loc.U):
 	This variable is defined but not used by Configure.
 	The value is a plain '' and is not useful.
diff --git a/Porting/config.sh b/Porting/config.sh
index af71eadd3c..0b426e2f6a 100644
--- a/Porting/config.sh
+++ b/Porting/config.sh
@@ -8,7 +8,7 @@
 
 # Package name      : perl5
 # Source directory  : .
-# Configuration time: Thu Sep 30 19:44:33 EET DST 1999
+# Configuration time: Sat Oct  2 13:09:30 EET DST 1999
 # Configured by     : jhi
 # Target system     : osf1 alpha.hut.fi v4.0 878 alpha 
 
@@ -30,7 +30,7 @@ afs='false'
 alignbytes='8'
 ansi2knr=''
 aphostname=''
-apiversion=''
+apiversion='5.00561'
 ar='ar'
 archlib='/opt/perl/lib/5.00561/alpha-dec_osf-thread'
 archlibexp='/opt/perl/lib/5.00561/alpha-dec_osf-thread'
@@ -56,7 +56,7 @@ ccflags='-pthread -std -DLANGUAGE_C'
 ccsymbols='__LANGUAGE_C__=1 _LONGLONG=1 LANGUAGE_C=1 SYSTYPE_BSD=1'
 cf_by='jhi'
 cf_email='yourname@yourhost.yourplace.com'
-cf_time='Thu Sep 30 19:44:33 EET DST 1999'
+cf_time='Sat Oct  2 13:09:30 EET DST 1999'
 chgrp=''
 chmod=''
 chown=''
@@ -478,7 +478,7 @@ installprefix='/opt/perl'
 installprefixexp='/opt/perl'
 installprivlib='/opt/perl/lib/5.00561'
 installscript='/opt/perl/bin'
-installsitearch='/opt/perl/lib/site_perl//alpha-dec_osf-thread'
+installsitearch='/opt/perl/lib/site_perl/5.00561/alpha-dec_osf-thread'
 installsitelib='/opt/perl/lib/site_perl'
 installstyle='lib'
 installusrbinperl='define'
@@ -569,6 +569,7 @@ pg='pg'
 phostname=''
 pidtype='pid_t'
 plibpth=''
+pm_apiversion='5.005'
 pmake=''
 pr=''
 prefix='/opt/perl'
@@ -618,8 +619,8 @@ sig_name_init='"ZERO", "HUP", "INT", "QUIT", "ILL", "TRAP", "ABRT", "EMT", "FPE"
 sig_num='0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 6 6 16 20 23 23 23 29 48 '
 sig_num_init='0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 6, 6, 16, 20, 23, 23, 23, 29, 48, 0'
 signal_t='void'
-sitearch='/opt/perl/lib/site_perl//alpha-dec_osf-thread'
-sitearchexp='/opt/perl/lib/site_perl//alpha-dec_osf-thread'
+sitearch='/opt/perl/lib/site_perl/5.00561/alpha-dec_osf-thread'
+sitearchexp='/opt/perl/lib/site_perl/5.00561/alpha-dec_osf-thread'
 sitelib='/opt/perl/lib/site_perl'
 sitelibexp='/opt/perl/lib/site_perl'
 siteprefix='/opt/perl'
@@ -692,6 +693,7 @@ version='5.00561'
 vi=''
 voidflags='15'
 xlibpth='/usr/lib/386 /lib/386'
+xs_apiversion='5.00561'
 zcat=''
 zip='zip'
 # Configure command line arguments.
@@ -712,6 +714,7 @@ config_arg11='-dE'
 PERL_REVISION=5
 PERL_VERSION=5
 PERL_SUBVERSION=61
+PERL_APIVERSION=5.00561
 CONFIGDOTSH=true
 # Variables propagated from previous config.sh file.
 pp_sys_cflags='ccflags="$ccflags -DNO_EFF_ONLY_OK"'
diff --git a/Porting/config_H b/Porting/config_H
index d099550d2b..b16ae56211 100644
--- a/Porting/config_H
+++ b/Porting/config_H
@@ -17,7 +17,7 @@
 /*
  * Package name      : perl5
  * Source directory  : .
- * Configuration time: Thu Sep 30 19:44:33 EET DST 1999
+ * Configuration time: Sat Oct  2 13:09:30 EET DST 1999
  * Configured by     : jhi
  * Target system     : osf1 alpha.hut.fi v4.0 878 alpha 
  */
@@ -1469,8 +1469,8 @@
  *	This symbol contains the ~name expanded version of SITEARCH, to be used
  *	in programs that are not prepared to deal with ~ expansion at run-time.
  */
-#define SITEARCH "/opt/perl/lib/site_perl//alpha-dec_osf-thread"		/**/
-#define SITEARCH_EXP "/opt/perl/lib/site_perl//alpha-dec_osf-thread"		/**/
+#define SITEARCH "/opt/perl/lib/site_perl/5.00561/alpha-dec_osf-thread"		/**/
+#define SITEARCH_EXP "/opt/perl/lib/site_perl/5.00561/alpha-dec_osf-thread"		/**/
 
 /* SITELIB:
  *	This symbol contains the name of the private library for this package.
@@ -2493,6 +2493,41 @@
  */
 /*#define	USE_SOCKS		/ **/
 
+/* PERL_XS_APIVERSION:
+ *	This variable contains the version of the oldest perl binary
+ *	compatible with the present perl.  perl.c:incpush() and
+ *	lib/lib.pm will automatically search in /opt/perl/lib/site_perl/5.00561/alpha-dec_osf-thread for older
+ *	directories across major versions back to xs_apiversion.
+ *	This is only useful if you have a perl library directory tree
+ *	structured like the default one.
+ *	See INSTALL for how this works.
+ *	The versioned site_perl directory was introduced in 5.005,
+ *	so that is the lowest possible value.
+ *	Since this can depend on compile time options (such as
+ *	bincompat) it is set by Configure.  Other non-default sources
+ *	of potential incompatibility, such as multiplicity, threads,
+ *	debugging, 64bits, sfio, etc., are not checked for currently,
+ *	though in principle we could go snooping around in old
+ *	Config.pm files.
+ */
+/* PERL_PM_APIVERSION:
+ *	This variable contains the version of the oldest perl
+ *	compatible with the present perl.  (That is, pure perl modules
+ *	written for pm_apiversion will still work for the current
+ *	version).  perl.c:incpush() and lib/lib.pm will automatically
+ *	search in /opt/perl/lib/site_perl for older directories across major versions
+ *	back to pm_apiversion.  This is only useful if you have a perl
+ *	library directory tree structured like the default one.  The
+ *	versioned site_perl library was introduced in 5.005, so that's
+ *	the default setting for this variable.  It's hard to imagine
+ *	it changing before Perl6.  It is included here for symmetry
+ *	with xs_apiveprsion -- the searching algorithms will
+ *	(presumably) be similar.
+ *	See the INSTALL file for how this works.
+ */
+#define PERL_XS_APIVERSION 5.00561 /* Change to string for tuples?*/
+#define PERL_PM_APIVERSION 5.005 /* Change to string for tuples?*/
+
 /* HAS_DRAND48_PROTO:
  *	This symbol, if defined, indicates that the system provides
  *	a prototype for the drand48() function.  Otherwise, it is up