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| author | Pádraig Brady <P@draigBrady.com> | 2019-01-13 22:11:11 -0800 |
|---|---|---|
| committer | Pádraig Brady <P@draigBrady.com> | 2019-01-19 21:15:01 -0800 |
| commit | d26dece5d86465210ffc2db205eea9140a28591d (patch) | |
| tree | 4cbcc7d85cc5a125334092ee41bf3fd14f444180 /m4/jm-macros.m4 | |
| parent | 94fa0aa0d0e2f6a98e1c3086da9d64a1ceba9846 (diff) | |
| download | coreutils-d26dece5d86465210ffc2db205eea9140a28591d.tar.gz | |
build: ensure VLAs are not used
Fail developer builds if VLAs are used,
as there are portability concerns to consider with them.
* configure.ac: Enable -Wvla which is implicit in the full list added.
* m4/jm-macros.m4: Define GNULIB_NO_VLA which disables use of
VLAs within gnulib code.
Diffstat (limited to 'm4/jm-macros.m4')
| -rw-r--r-- | m4/jm-macros.m4 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4 index 39191de27..3374137e0 100644 --- a/m4/jm-macros.m4 +++ b/m4/jm-macros.m4 @@ -41,6 +41,10 @@ AC_DEFUN([coreutils_MACROS], AC_DEFINE([ARGMATCH_DIE_DECL], [void usage (int _e)], [Define to the declaration of the xargmatch failure function.]) + # Ensure VLAs are not used. + # Note -Wvla is implicitly added by gl_MANYWARN_ALL_GCC + AC_DEFINE([GNULIB_NO_VLA], [1], [Define to 1 to disable use of VLAs]) + # used by shred AC_CHECK_FUNCS_ONCE([directio]) |