From 6cdadb5aa5805fffe20e051d971d99180e51c13d Mon Sep 17 00:00:00 2001
From: Nicholas Clark <nick@ccl4.org>
Date: Mon, 16 Aug 2010 23:12:13 +0200
Subject: Only copy op.c to opmini.c if op.c is a symlink, else use a symlink.

Similarly for perl.c to perlmini.c

This avoids the work of a file copy if a symlink would do the job, but ensures
that we don't create a symlink to a symlink to a file, which (comments suggest)
upsets gcc.
---
 Makefile.SH | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

(limited to 'Makefile.SH')

diff --git a/Makefile.SH b/Makefile.SH
index e90b51f647..51529f40d4 100644
--- a/Makefile.SH
+++ b/Makefile.SH
@@ -586,18 +586,30 @@ utilities:	$(MINIPERL_EXE) $(CONFIGPM) $(plextract) FORCE
 .PHONY: FORCE
 FORCE:
 	@sh -c true
-
-# We do a copy of the op.c instead of a symlink because gcc gets huffy
-# if we have a symlink forest to another disk (it complains about too many
-# levels of symbolic links, even if we have only two)
 !NO!SUBS!
 
 for file in op perl; do
-    $spitshell >>$Makefile <<!GROK!THIS!
+    if $issymlink $file.c; then
+        $spitshell >>$Makefile <<!GROK!THIS!
+
+# We do a copy of the $file.c instead of a symlink because gcc gets huffy
+# if we have a symlink forest to another disk (it complains about too many
+# levels of symbolic links, even if we have only two)
 
 ${file}mini.c: $file.c
 	\$(RMS) ${file}mini.c
 	\$(CPS) ${file}.c ${file}mini.c
+!GROK!THIS!
+    else
+        $spitshell >>$Makefile <<!GROK!THIS!
+
+${file}mini.c: $file.c
+	\$(RMS) ${file}mini.c
+	\$(LNS) ${file}.c ${file}mini.c
+!GROK!THIS!
+    fi
+
+    $spitshell >>$Makefile <<!GROK!THIS!
 
 ${file}mini\$(OBJ_EXT): ${file}mini.c
 	\$(CCCMD) \$(PLDLFLAGS) $DPERL_IS_MINIPERL $DPERL_EXTERNAL_GLOB ${file}mini.c
-- 
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