Update symbolic links to sources during make.

When building outside the source directory, recreate any symbolic links
to the sources if they are broken or pointing to the wrong files.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>

diff --git a/comedi/Makefile.am b/comedi/Makefile.am
index 7fe641efde90b396f6ba20dab1b6f84fce5c7202..426768da59dcd2054240bb073bc738dafd62caaa 100644 (file)
--- a/comedi/Makefile.am
+++ b/comedi/Makefile.am
@@ -14,7 +14,7 @@ all-local:
                for dir in . drivers kcomedilib drivers/addi-data; do \
                        for file in `ls @abs_srcdir@/$$dir/*\.[ch] @abs_srcdir@/$$dir/Kbuild | $(EGREP) -v \.mod\.c`; do \
                                LINK_NAME=$$dir/`basename "$$file"`; \
-                               if test ! -e $$LINK_NAME; then ln -vs $$file $$LINK_NAME; fi; \
+                               if test ! "$$file" -ef "$$LINK_NAME"; then ln -vsnf "$$file" "$$LINK_NAME"; fi; \
                        done; \
                done; \
        fi