Mercurial > hg > octave-lojdl > gnulib-hg
changeset 2637:a2dc7794f060
New file, defining AC_MBSTATE_T_OBJECT.
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Fri, 23 Jun 2000 21:00:53 +0000 |
| parents | fe1f7c51a13a |
| children | 0a343588ab02 |
| files | m4/mbstate_t.m4 |
| diffstat | 1 files changed, 18 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/m4/mbstate_t.m4 @@ -0,0 +1,18 @@ +# serial 1 + +# From Paul Eggert. + +# Some versions of BeOS define mbstate_t to be an incomplete type, +# so you can't declare an object of that type. +# Check for this incompatibility with Standard C. + +AC_DEFUN(AC_MBSTATE_T_OBJECT, + [AC_CACHE_CHECK([for mbstate_t object type], ac_cv_type_mbstate_t_object, + [AC_TRY_COMPILE([#include <wchar.h>], + [mbstate_t x; return sizeof x;], + ac_cv_type_mbstate_t_object=yes, + ac_cv_type_mbstate_t_object=no)]) + if test $ac_cv_type_mbstate_t_object = yes; then + AC_DEFINE(HAVE_MBSTATE_T_OBJECT, 1, + [Define if mbstate_t is an object type.]) + fi])