diff options
Diffstat (limited to 'm4/static_array.m4')
| -rw-r--r-- | m4/static_array.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/m4/static_array.m4 b/m4/static_array.m4 new file mode 100644 index 0000000..e4466c4 --- /dev/null +++ b/m4/static_array.m4 @@ -0,0 +1,19 @@ +AC_DEFUN([DOVECOT_C_STATIC_ARRAY], [ + AC_CACHE_CHECK([if we can use C99 static in array sizes],i_cv_c99_static_arrays,[ + AC_TRY_COMPILE([ + void foo(unsigned char arr[static 20]); + ], [ + ], [ + i_cv_c99_static_arrays=yes + ], [ + i_cv_c99_static_arrays=no + ]) + ]) + + if test $i_cv_c99_static_arrays = yes; then + static_value=static + else + static_value= + fi + AC_DEFINE_UNQUOTED(STATIC_ARRAY, $static_value, [C99 static array]) +]) |