Require that most .c files include <config.h>.

(sc_require_config_h): New rule.
(syntax-check-rules): Add it.

diff --git a/Makefile.maint b/Makefile.maint
index a996f21..df3c2e7 100644 (file)
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -79,6 +79,7 @@ syntax-check-rules = \
   sc_obsolete_symbols \
   sc_prohibit_atoi_atof \
   sc_prohibit_jm_in_m4 \
+  sc_require_config_h \
   sc_root_tests \
   sc_space_tab \
   sc_sun_os_names \
@@ -163,6 +164,15 @@ sc_no_if_have_config_h:
          { echo '$(ME): found use of #if HAVE_CONFIG_H; use #ifdef'    \
                1>&2; exit 1; } || :
 
+# Nearly all .c files must include <config.h>.
+sc_require_config_h:
+       @( $(CVS_LIST) ) > /dev/null 2>&1 || : &&                       \
+         grep -L '^# *include <config\.h>'                             \
+             $$($(CVS_LIST) | grep '\.c$$' | grep -vEf .x-$@ )         \
+           | grep . &&                                                 \
+         { echo '$(ME): the above files do not include <config.h>'     \
+               1>&2; exit 1; } || :
+
 sc_obsolete_symbols:
        @( $(CVS_LIST) ) > /dev/null 2>&1 || : &&                       \
          grep -E '\<(HAVE_FCNTL_H)\>'                                  \
@@ -487,6 +497,7 @@ announcement: NEWS ChangeLog $(rel-files)
            --prev=$(PREV_VERSION)                                      \
            --curr=$(VERSION)                                           \
            --release-archive-directory=$(release_archive_dir)          \
+           --gpg-key-id=$(gpg_key_ID)                                  \
            --news=NEWS                                                 \
            $(addprefix --url-dir=, $(url_dir_list))                    \