add compatible versions from $Config{inc_ver_list} to search

paths automatically (from Tom Hughes <tom@compton.nu>)

p4raw-id: //depot/perl@5018

diff --git a/lib/lib.pm b/lib/lib.pm
index 879af16..e46c5fe 100644 (file)
--- a/lib/lib.pm
+++ b/lib/lib.pm
@@ -5,6 +5,7 @@ use Config;
 
 my $archname = $Config{'archname'};
 my $ver = $Config{'version'};
+my @inc_version_list = reverse split / /, $Config{'inc_version_list'};
 
 our @ORIG_INC = @INC;  # take a handy copy of 'original' value
 our $VERSION = '0.5564';
@@ -23,12 +24,15 @@ sub import {
            Carp::carp("Parameter to use lib must be directory, not file");
        }
        unshift(@INC, $_);
+        # Add any previous version directories we found at configure time
+        foreach my $incver (@inc_version_list)
+        {
+            unshift(@INC, "$_/$incver") if -d "$_/$incver";
+        }
        # Put a corresponding archlib directory infront of $_ if it
        # looks like $_ has an archlib directory below it.
-       if (-d "$_/$archname") {
-           unshift(@INC, "$_/$archname")    if -d "$_/$archname/auto";
-           unshift(@INC, "$_/$archname/$ver") if -d "$_/$archname/$ver/auto";
-       }
+       unshift(@INC, "$_/$ver") if -d "$_/$ver";
+       unshift(@INC, "$_/$ver/$archname") if -d "$_/$ver/$archname";
     }
 
     # remove trailing duplicates

diff --git a/perl.c b/perl.c
index 40ce5ca..ebb76a6 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -3113,15 +3113,15 @@ S_init_perllib(pTHX)
     incpush(PRIVLIB_EXP, FALSE);
 #endif
 
-#ifdef SITEARCH_EXP
-    incpush(SITEARCH_EXP, FALSE);
-#endif
 #ifdef SITELIB_EXP
-#if defined(WIN32) 
-    incpush(SITELIB_EXP, TRUE);
-#else
-    incpush(SITELIB_EXP, FALSE);
-#endif
+    {
+       char buf[MAXPATHLEN];
+
+       strcpy(buf,SITELIB_EXP);
+       if (strrchr(buf,'/'))           /* XXX Hack, Configure var needed */
+           *strrchr(buf,'/') = '\0';
+       incpush(buf, TRUE);
+    }
 #endif
 #if defined(PERL_VENDORLIB_EXP)
 #if defined(WIN32) 
@@ -3186,6 +3186,10 @@ S_incpush(pTHX_ char *p, int addsubdirs)
         * archname-specific sub-directories.
         */
        if (addsubdirs) {
+#ifdef PERL_INC_VERSION_LIST
+           const char *incverlist[] = { PERL_INC_VERSION_LIST, NULL };
+           const char **incver;
+#endif
            struct stat tmpstatbuf;
 #ifdef VMS
            char *unix;
@@ -3201,21 +3205,33 @@ S_incpush(pTHX_ char *p, int addsubdirs)
                              "Failed to unixify @INC element \"%s\"\n",
                              SvPV(libdir,len));
 #endif
-           /* .../archname/version if -d .../archname/version/auto */
-           Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/%s/"PERL_FS_VER_FMT"/auto", libdir,
-                          ARCHNAME, (int)PERL_REVISION,
-                          (int)PERL_VERSION, (int)PERL_SUBVERSION);
+           /* .../version/archname if -d .../version/archname */
+           Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/"PERL_FS_VER_FMT"/%s", libdir,
+                          (int)PERL_REVISION, (int)PERL_VERSION,
+                          (int)PERL_SUBVERSION, ARCHNAME);
            if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
                  S_ISDIR(tmpstatbuf.st_mode))
-               av_push(GvAVn(PL_incgv),
-                       newSVpvn(SvPVX(subdir), SvCUR(subdir) - sizeof "auto"));
+               av_push(GvAVn(PL_incgv), newSVsv(subdir));
 
-           /* .../archname if -d .../archname/auto */
-           Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/%s/auto", libdir, ARCHNAME);
+           /* .../version if -d .../version */
+           Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/"PERL_FS_VER_FMT, libdir,
+                          (int)PERL_REVISION, (int)PERL_VERSION,
+                          (int)PERL_SUBVERSION);
            if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
                  S_ISDIR(tmpstatbuf.st_mode))
-               av_push(GvAVn(PL_incgv),
-                       newSVpvn(SvPVX(subdir), SvCUR(subdir) - sizeof "auto"));
+               av_push(GvAVn(PL_incgv), newSVsv(subdir));
+
+#ifdef PERL_INC_VERSION_LIST
+           for (incver = incverlist; *incver; incver++)
+           {
+               /* .../xxx if -d .../xxx */
+               Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/%s", libdir, *incver);
+               if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
+                     S_ISDIR(tmpstatbuf.st_mode))
+                   av_push(GvAVn(PL_incgv), newSVsv(subdir));
+   
+           }
+#endif
        }
 
        /* finally push this lib directory on the end of @INC */