X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=top%2Fmaint.mk;h=59e9cb58ebdc39bd4239cc952c6aa4ad5173ae22;hb=880d107;hp=045537f8ac488ea4c751a0c4c84547ac86d6dc14;hpb=6092793de4f40942ebab22cc146de2de2ecb275f;p=gnulib.git

diff --git a/top/maint.mk b/top/maint.mk
index 045537f8a..59e9cb58e 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -103,6 +103,12 @@ endif
 # Override this in cfg.mk if you are using a different format in your
 # NEWS file.
 today = $(shell date +%Y-%m-%d)
+
+# Select which lines of NEWS are searched for $(news-check-regexp).
+# This is a sed line number spec.  The default says that we search
+# lines 1..10 of NEWS for $(news-check-regexp).
+# If you want to search only line 3 or only lines 20-22, use "3" or "20,22".
+news-check-lines-spec ?= 1,10
 news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)'
 
 # Prevent programs like 'sort' from considering distinct strings to be equal.
@@ -689,7 +695,8 @@ define def_sym_regex
 	    perl -lne '$(gl_extract_significant_defines_)' $$f;		\
 	  done;								\
 	) | sort -u							\
-	  | sed 's/^/^ *# *define /;s/$$/\\>/'
+	  | grep -Ev '^ATTRIBUTE_NORETURN'				\
+	  | sed 's/^/^ *# *(define|undef)  */;s/$$/\\>/'
 endef
 
 # Don't define macros that we already get from gnulib header files.
@@ -698,7 +705,7 @@ sc_prohibit_always-defined_macros:
 	  case $$(echo all: | grep -l -f - Makefile) in Makefile);; *)	\
 	    echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;;	\
 	  esac;								\
-	  $(def_sym_regex) | grep -f - $$($(VC_LIST_EXCEPT))		\
+	  $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT))		\
 	    && { echo '$(ME): define the above via some gnulib .h file'	\
 		  1>&2;  exit 1; } || :;				\
 	fi
@@ -873,8 +880,8 @@ sc_makefile_at_at_check:
 	  && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
 
 news-check: NEWS
-	if head $(srcdir)/NEWS | grep -E $(news-check-regexp)		\
-	    >/dev/null; then						\
+	if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS		\
+	    | grep -E $(news-check-regexp) >/dev/null; then		\
 	  :;								\
 	else								\
 	  echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2;	\