build: exempt symlinks from trailing-blank-line prohibition

* cfg.mk (sc_prohibit_trailing_blank_lines): Exempt symlinks.

diff --git a/cfg.mk b/cfg.mk
index c43185c..2b37450 100644 (file)
--- a/cfg.mk
+++ b/cfg.mk
@@ -134,8 +134,9 @@ sc_prohibit_gethostby:
 
 # Disallow trailing blank lines.
 sc_prohibit_trailing_blank_lines:
-       @$(VC_LIST_EXCEPT) | xargs perl -ln -0777 -e                    \
-         '/\n\n+$$/ and print $$ARGV' > $@-t
+       @$(VC_LIST_EXCEPT)                                              \
+         | xargs perl -ln -0777 -e                                     \
+             '-f $$ARGV or next; /\n\n+$$/ and print $$ARGV' > $@-t
        @found=0; test -s $@-t && { found=1; cat $@-t 1>&2;             \
          echo '$(ME): found trailing blank line(s)' 1>&2; };           \
        rm -f $@-t;                                                     \