[project @ 1998-04-16 12:05:48 by sof]

Handle the case where  already exists (as a file)

diff --git a/mk/target.mk b/mk/target.mk
index a89f1b0..44093a5 100644 (file)
--- a/mk/target.mk
+++ b/mk/target.mk
@@ -413,8 +413,18 @@ endif
 ifneq "$(SCRIPT_LINK)" ""
 all :: $(SCRIPT_LINK)
 
+# The use of -L is non-standard, but I've yet to find
+# an implementation of `test' that doesn't like it.
 $(SCRIPT_LINK) : $(SCRIPT_PROG)
-       $(LN_S) $(SCRIPT_PROG) $(SCRIPT_LINK)
+       @if ( test ! -f $(SCRIPT_LINK) -o -L $(SCRIPT_LINK) ); then \
+          echo "Creating a symbol link from $(SCRIPT_PROG) to $(SCRIPT_LINK)"; \
+          $(RM) $(SCRIPT_LINK); \
+          $(LN_S) $(SCRIPT_PROG) $(SCRIPT_LINK); \
+        else \
+          echo "Creating a symbol link from $(SCRIPT_PROG) to $(SCRIPT_LINK) failed: \`$(SCRIPT_LINK)' already exists"; \
+          echo "Perhaps remove \`$(SCRIPT_LINK)' manually?"; \
+          exit 1; \
+        fi;
 endif