diff options
Diffstat (limited to 'gl/lib/gettext.h')
| -rw-r--r-- | gl/lib/gettext.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gl/lib/gettext.h b/gl/lib/gettext.h index 89f53d91..c7c0fdb5 100644 --- a/gl/lib/gettext.h +++ b/gl/lib/gettext.h @@ -184,9 +184,16 @@ npgettext_aux (const char *domain, #include <string.h> -#if (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \ - /* || (__STDC_VERSION__ == 199901L && !defined __HP_cc) - || (__STDC_VERSION__ >= 201112L && !defined __STDC_NO_VLA__) */ ) +/* GNULIB_NO_VLA can be defined to disable use of VLAs even if supported. + This relates to the -Wvla and -Wvla-larger-than warnings, enabled in + the default GCC many warnings set. This allows programs to disable use + of VLAs, which may be unintended, or may be awkward to support portably, + or may have security implications due to non-deterministic stack usage. */ + +#if (!defined GNULIB_NO_VLA \ + && (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \ + /* || (__STDC_VERSION__ == 199901L && !defined __HP_cc) + || (__STDC_VERSION__ >= 201112L && !defined __STDC_NO_VLA__) */ )) # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 1 #else # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 0 |