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-rw-r--r--cfg.mk10
1 files changed, 10 insertions, 0 deletions
diff --git a/cfg.mk b/cfg.mk
index c9952d2c0..6fa7b1f72 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -201,6 +201,16 @@ sc_prohibit-j-printf-format:
&& { echo '$(ME): Use PRI*MAX instead of %j' 1>&2; exit 1; } \
|| :
+# Ensure the alternative __attribute (keyword) form isn't used as
+# that form is not elided where required. Also ensure that we don't
+# directly use attributes already defined by gnulib.
+# TODO: move the check for _GL... attributes to gnulib.
+sc_prohibit-gl-attributes:
+ @cd $(srcdir) && GIT_PAGER= git grep -En \
+ "__attribute |__(unused|pure|const)__" src gl/lib/*.[ch] \
+ && { echo '$(ME): Use _GL... attribute macros' 1>&2; exit 1; } \
+ || :
+
# Look for lines longer than 80 characters, except omit:
# - program-generated long lines in diff headers,
# - tests involving long checksum lines, and