diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ssize_t.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4 new file mode 100644 index 000000000..c97ab2ec0 --- /dev/null +++ b/m4/ssize_t.m4 @@ -0,0 +1,22 @@ +#serial 1 + +AC_PREREQ(2.14a) + +dnl This is a specialization of AC_CHECK_TYPE applied to `ssize_t' with +dnl the difference that it also includes unistd.h on systems that have it. +dnl On Fujitsu UXP/V systems ssize_t is defined in unistd.h. +AC_DEFUN(AC_TYPE_SSIZE_T, + [ + AC_CHECK_HEADERS(unistd.h) + AC_CHECK_TYPE(ssize_t, int, + [ +#include <sys/types.h> +#if STDC_HEADERS +# include <stdlib.h> +# include <stddef.h> +#endif +#if HAVE_UNISTD_H +# include <unistd.h> +#endif + ] + )]) |