syntax-check: rationale for disabling sc_cast_of_x_alloc_return_value.

* cfg.mk: Note that we support C++ compilation of libltdl, which
in turn requires that *alloc return values be cast correctly.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>

diff --git a/cfg.mk b/cfg.mk
index cffea223c039fd7e86c0984183c63fd5d7e5df6f..c39cc51b5a8c2cc388ea7c374a8f078c95644ce5 100644 (file)
--- a/cfg.mk
+++ b/cfg.mk
@@ -70,7 +70,8 @@ local-checks-to-skip =                                \
 
 # GPL_version: checks for GPLv3, which we don't use
 # bindtextdomain: libtool isn't internationalized
-# cast_of_x_alloc_return_value: we don't use gnulib alloc modules
+# cast_of_x_alloc_return_value:
+#         We support C++ compilation which does require casting here.
 # error_message_uppercase: we like our error messages
 # program_name: libtool has no programs!
 # unmarked_diagnostics: libtool isn't internationalized