[m-rev.] diff: avoid relying on "ln"

[Fergus Henderson]

Estimated hours taken: 0.25
Branches: main

compiler/Mmakefile:
	Use "cp" as a fall-back if "ln" fails.

Workspace: /home/ceres/fjh/mercury
Index: compiler/Mmakefile
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/Mmakefile,v
retrieving revision 1.74
diff -u -d -r1.74 Mmakefile
--- compiler/Mmakefile	7 May 2003 12:53:33 -0000	1.74
+++ compiler/Mmakefile	15 May 2003 08:01:49 -0000
@@ -191,7 +191,8 @@
 
 mercury_compile$(EXT_FOR_EXE): $(MC_PROG)$(EXT_FOR_EXE)
 	rm -f mercury_compile$(EXT_FOR_EXE)
-	$(LN) $(MC_PROG)$(EXT_FOR_EXE) mercury_compile$(EXT_FOR_EXE)
+	$(LN) $(MC_PROG)$(EXT_FOR_EXE) mercury_compile$(EXT_FOR_EXE) || \
+		cp $(MC_PROG)$(EXT_FOR_EXE) mercury_compile$(EXT_FOR_EXE)
 ifeq ($(findstring il,$(GRADE)),il)        
 	# set the stack size to 100M -- the default of 1M is too low
 	-editbin /nologo /stack:100000000 mercury_compile$(EXT_FOR_EXE)
@@ -204,7 +205,8 @@
 
 mercury_compile_init.$O: $(MC_PROG)_init.$O
 	rm -f mercury_compile_init.$O
-	$(LN) $(MC_PROG)_init.$O mercury_compile_init.$O
+	$(LN) $(MC_PROG)_init.$O mercury_compile_init.$O || \
+		cp $(MC_PROG)_init.$O mercury_compile_init.$O
 
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-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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