diff options
Diffstat (limited to 'm4/time_t.m4')
| -rw-r--r-- | m4/time_t.m4 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/m4/time_t.m4 b/m4/time_t.m4 new file mode 100644 index 0000000..24a0242 --- /dev/null +++ b/m4/time_t.m4 @@ -0,0 +1,42 @@ +AC_DEFUN([DOVECOT_TIME_T], [ + AC_TYPEOF(time_t, long int long-long unsigned-int unsigned-long unsigned-long-long) + case "$typeof_time_t" in + long) + timet_len="l" + i_cv_signed_time_t=yes + ;; + int) + timet_len="" + i_cv_signed_time_t=yes + ;; + "long long") + timet_len="ll" + i_cv_signed_time_t=yes + ;; + "unsigned int") + timet_len="" + i_cv_signed_time_t=no + ;; + "unsigned long") + timet_len="l" + i_cv_signed_time_t=no + ;; + "unsigned long long") + timet_len="ll" + i_cv_signed_time_t=no + ;; + *) + AC_MSG_ERROR([Unsupported time_t type]) + ;; + esac + if test $i_cv_signed_time_t = yes; then + AC_DEFINE(TIME_T_SIGNED,, [Define if your time_t is signed]) + timet_d_fmt="$timet_len"d + else + timet_d_fmt="$timet_len"u + fi + timet_x_fmt="$timet_len"x + + AC_DEFINE_UNQUOTED(PRIdTIME_T, "$timet_d_fmt", [printf() fmt for dec time_t]) + AC_DEFINE_UNQUOTED(PRIxTIME_T, "$timet_x_fmt", [printf() fmt for hex time_t]) +]) |