X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=distrib%2FMakefile-bin.in;h=fdfdb6a94872ee812ae337f872d9120d49e34de5;hb=83f7f7c6999e9abe6b363a2edf9739d29ac959ca;hp=5e2493ac0cb80de4c2f03082ca59d80b70961aea;hpb=75dffefc2018b3fd8bc41c87dd6b02f0975992d4;p=ghc-hetmet.git

diff --git a/distrib/Makefile-bin.in b/distrib/Makefile-bin.in
index 5e2493a..fdfdb6a 100644
--- a/distrib/Makefile-bin.in
+++ b/distrib/Makefile-bin.in
@@ -181,22 +181,12 @@ config-pkgs ::
 	  fi; \
 	done
 
-
-mk-version-symlinks ::
-	@for i in $(VERSION_SYMLINKS_FOR) ""; do \
-	  if [ "x$$i" != "x" ]; then \
-	     echo "Symlinking $$i to $$i-$(version)"; \
-	     (cd bin/$(platform)/$(package)-$(version); $(RM) $$i-$(version); $(LN_S) $$i $$i-$(version) ); \
-	  fi;\
-	done
-
 # Convert pwd's UNC reported path into DOS style
 # (cygwin32 only.)
 CURRENT_DIR = $(shell pwd | sed 's|^//\(.\)|\1:|' )
 
 in-place ::
 	$(MAKE) $(MFLAGS) config-pkgs bindir=$(CURRENT_DIR)/bin/$(platform)/$(package)-$(version) libdir=$(CURRENT_DIR)/lib/$(platform) datadir=$(CURRENT_DIR)/share/$(package)-$(version)
-	$(MAKE) $(MFLAGS) mk-version-symlinks
 	@echo "Finished configuring..to use, add $(CURRENT_DIR)/bin/$(platform)/$(package)-$(version) to your PATH."
 
 install-dirs ::
@@ -204,7 +194,7 @@ install-dirs ::
 	(cd lib/$(platform)/$(package)-$(version); find . -type d -exec sh -c '../../../$(INSTALL_DIR) $$0 $(real_libdir)/$$0' {} \; )
 	(cd share/$(package)-$(version); find . -type d -exec sh -c '../../$(INSTALL_DIR) $(real_datadir)/$$0' {} \; )
 
-install :: config-pkgs mk-version-symlinks install-dirs install-bin install-libs install-datas
+install :: config-pkgs install-dirs install-bin install-libs install-datas
 
 .PHONY: install-bin install-libs install-datas
 
@@ -215,9 +205,15 @@ install-bin:
 	for i in $(VERSION_SYMLINKS_FOR) ""; do \
 	   if [ "x$$i" != "x" ]; then 		\
 	   	( cd $(bindir); 		\
-		  $(RM) $$i-$(version);		\
-		  $(MV) $$i $$i-$(version);	\
-		  $(LN_S) $$i-$(version) $$i	\
+		  if ( $(PERL) -e '$$fn="'$$i'"; exit ((! -f $$fn || -l $$fn) ? 0 : 1);' ); then \
+	   	     echo "Creating a symbol link from $$i-$(version) to $$i"; \
+	   	     $(RM) $$i; \
+	             $(LN_S) $$i-$(version) $$i; \
+	          else \
+	             echo "Creating a symbol link from $$i-$(version) to $$i failed: \`$$i' already exists"; \
+	             echo "Perhaps remove \`$$i' manually?"; \
+	             exit 1; \
+	          fi;\
 		); 				\
 	   fi; 					\
 	done