build: remove trailing blank lines; enable the syntax-check rule

[libguestfs.git] / cfg.mk

diff --git a/cfg.mk b/cfg.mk
index c672e4d..1d02b24 100644 (file)
--- a/cfg.mk
+++ b/cfg.mk
@@ -63,12 +63,10 @@ local-checks-to-skip =                      \
   sc_useless_cpp_parens
 
 disable_temporarily =                  \
-  sc_makefile_TAB_only_indentation     \
   sc_unmarked_diagnostics              \
   sc_prohibit_ctype_h                  \
   sc_prohibit_asprintf                 \
   sc_m4_quote_check                    \
-  sc_prohibit_trailing_blank_lines     \
   sc_avoid_ctype_macros                        \
   sc_avoid_write
 
@@ -135,8 +133,9 @@ 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;                                                     \