From: Michael G. Schwern <schwern@pobox.com>
Date: Mon, 12 Nov 2001 20:50:34 +0000 (-0500)
Subject: Making vmsish.pm a no-op on non-VMS
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=9f84c00564fd021b1da47513d58d337c301b73aa;p=p5sagit%2Fp5-mst-13.2.git

Making vmsish.pm a no-op on non-VMS
Message-ID: <20011112205034.H2888@blackrider>

p4raw-id: //depot/perl@12971
---

diff --git a/MANIFEST b/MANIFEST
index c0f2dd7..cf37116 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -1633,6 +1633,8 @@ lib/utf8_heavy.pl		Support routines for utf8 pragma
 lib/validate.pl			Perl library supporting wholesale file mode validation
 lib/vars.pm			Declare pseudo-imported global variables
 lib/vars.t			See if "use vars" work
+lib/vmsish.pm		        Control VMS-specific behavior of Perl core
+lib/vmsish.t		        Tests for vmsish.pm
 lib/warnings.pm			For "use warnings"
 lib/warnings.t			See if warning controls work
 lib/warnings/register.pm	For "use warnings::register"
@@ -2317,8 +2319,6 @@ vms/ext/Stdio/Makefile.PL	MakeMaker driver for VMS::Stdio
 vms/ext/Stdio/Stdio.pm		VMS options to stdio routines
 vms/ext/Stdio/Stdio.xs		VMS options to stdio routines
 vms/ext/Stdio/test.pl		regression tests for VMS::Stdio
-vms/ext/vmsish.pm		Control VMS-specific behavior of Perl core
-vms/ext/vmsish.t		Tests for vmsish.pm
 vms/ext/XSSymSet.pm		manage linker symbols when building extensions
 vms/genconfig.pl		retcon config.sh from config.h
 vms/genopt.com			hack to write options files in case of broken makes
diff --git a/vms/ext/vmsish.pm b/lib/vmsish.pm
similarity index 96%
rename from vms/ext/vmsish.pm
rename to lib/vmsish.pm
index 89ec72c..bbaf4f7 100644
--- a/vms/ext/vmsish.pm
+++ b/lib/vmsish.pm
@@ -25,6 +25,8 @@ If no import list is supplied, all possible VMS-specific features are
 assumed.  Currently, there are four VMS-specific features available:
 'status' (a.k.a '$?'), 'exit', 'time' and 'hushed'.
 
+If you're not running VMS, this module does nothing.
+
 =over 6
 
 =item C<vmsish status>
@@ -107,10 +109,7 @@ See L<perlmod/Pragmatic Modules>.
 
 =cut
 
-if ($^O ne 'VMS') {
-    require Carp;
-    Carp::croak("This isn't VMS");
-}
+my $IsVMS = $^O eq 'VMS';
 
 sub bits {
     my $bits = 0;
@@ -123,6 +122,8 @@ sub bits {
 }
 
 sub import {
+    return unless $IsVMS;
+
     shift;
     $^H |= bits(@_ ? @_ : qw(status time));
     my $sememe;
@@ -134,6 +135,8 @@ sub import {
 }
 
 sub unimport {
+    return unless $IsVMS;
+
     shift;
     $^H &= ~ bits(@_ ? @_ : qw(status time));
     my $sememe;
diff --git a/vms/ext/vmsish.t b/lib/vmsish.t
similarity index 93%
rename from vms/ext/vmsish.t
rename to lib/vmsish.t
index 0f3c0ec..2d83be6 100644
--- a/vms/ext/vmsish.t
+++ b/lib/vmsish.t
@@ -1,10 +1,26 @@
+#!./perl
 
-BEGIN { unshift @INC, '[-.lib]'; }
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib'; 
+}
 
 my $Invoke_Perl = qq(MCR $^X "-I[-.lib]");
 
-require "test.pl";
-plan(tests => 24);
+require "./test.pl";
+plan(tests => 25);
+
+SKIP: {
+    skip("tests for non-VMS only", 1) if $^O eq 'VMS';
+
+    BEGIN { $Orig_Bits = $^H }
+
+    # make sure that all those 'use vmsish' calls didn't do anything.
+    is( $Orig_Bits, $^H,    'use vmsish a no-op' );
+}
+
+SKIP: {
+    skip("tests for VMS only", 24) unless $^O eq 'VMS';
 
 #========== vmsish status ==========
 `$Invoke_Perl -e 1`;  # Avoid system() from a pipe from harness.  Mutter.
@@ -128,6 +144,7 @@ is($?,0,"outer lex scope of vmsish [POSIX status]");
 
   ok($vmsmtime - $utcmtime + $offset <= 10,"(stat) UTC: $utcmtime  VMS: $vmsmtime");
 }
+}
 
 #====== need this to make sure error messages come out, even if
 #       they were turned off in invoking procedure
diff --git a/vms/descrip_mms.template b/vms/descrip_mms.template
index 9be280f..d303d2d 100644
--- a/vms/descrip_mms.template
+++ b/vms/descrip_mms.template
@@ -325,7 +325,7 @@ CRTLOPTS =,$(CRTL)/Options
 .endif
 
 # Modules which must be installed before we can build extensions
-LIBPREREQ = $(ARCHDIR)Config.pm [.lib.VMS]Filespec.pm [.lib]DynaLoader.pm [.lib]XSLoader.pm [.lib]lib.pm [.lib]vmsish.pm [.lib.ExtUtils]XSSymSet.pm $(ARCHDIR)vmspipe.com [.lib]re.pm
+LIBPREREQ = $(ARCHDIR)Config.pm [.lib.VMS]Filespec.pm [.lib]DynaLoader.pm [.lib]XSLoader.pm [.lib]lib.pm [.lib.ExtUtils]XSSymSet.pm $(ARCHDIR)vmspipe.com [.lib]re.pm
 
 utils1 = [.lib.pod]perldoc.com [.lib.ExtUtils]Miniperl.pm [.utils]c2ph.com [.utils]h2ph.com [.utils]h2xs.com [.lib]perlbug.com [.lib]perlcc.com [.utils]dprofpp.com
 utils2 = [.utils]perlivp.com [.lib]splain.com [.utils]pl2pm.com
@@ -489,9 +489,6 @@ $(ARCHDIR)vmspipe.com : vmspipe.com
 dynext : $(LIBPREREQ) $(DBG)perlshr$(E) preplibrary
 	@make_ext "$(MINIPERL_EXE)" "$(MMS)"
 
-[.lib]vmsish.pm : [.vms.ext]vmsish.pm
-	Copy/Log/NoConfirm $(MMS$SOURCE) $(MMS$TARGET)
-
 [.lib]lib.pm : [.lib]lib_pm.PL
 	$(MINIPERL) $(MMS$SOURCE)
 
@@ -908,9 +905,6 @@ perly$(O) : perly.c, perly.h, $(h)
 [.t.lib]vmsfspec.t : [.vms.ext]filespec.t
 	Copy/Log/NoConfirm $(MMS$SOURCE) $(MMS$TARGET)
 
-[.t.lib]vmsish.t : [.vms.ext]vmsish.t
-	Copy/Log/NoConfirm $(MMS$SOURCE) $(MMS$TARGET)
-
 [.t.lib]vms_dclsym.t : [.vms.ext.DCLsym]test.pl
 	Copy/Log/NoConfirm $(MMS$SOURCE) $(MMS$TARGET)
 
@@ -920,7 +914,7 @@ perly$(O) : perly.c, perly.h, $(h)
 check : test
 	@ Continue
 
-test : all [.t.lib]vmsfspec.t [.t.lib]vmsish.t [.t.lib]vms_dclsym.t [.t.lib]vms_stdio.t
+test : all [.t.lib]vmsfspec.t [.t.lib]vms_dclsym.t [.t.lib]vms_stdio.t
 	- @[.VMS]Test.Com "$(E)" "$(__DEBUG__)"
 	@ $(MINIPERL) -e "print ""Ran tests"";" > [.t]rantests.