-AC_STRUCT_DIRENT_D_TYPE
-
-dnl -------------
-dnl CHECK SIGNALS
-dnl -------------
-dnl What style of signal do you have (POSIX, BSD, or SYSV)?
-AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
-AC_MSG_CHECKING(what style of signals to use)
-if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
- signals_style=POSIX_SIGNALS
- AC_DEFINE(POSIX_SIGNALS, 1,
- [Define to 1 if you use POSIX style signal handling.])
- AC_DEFINE(RELIABLE_SIGNALS)
-elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
- signals_style=BSD_SIGNALS
- AC_DEFINE(BSD_SIGNALS,1,
- [Define to 1 if you use BSD style signal handling (and can block signals).])
- AC_DEFINE(RELIABLE_SIGNALS)
-elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
- signals_style=SYSV_SIGNALS
- AC_DEFINE(SYSV_SIGNALS,1,
- [Define to 1 if you use SYSV style signal handling (and can block signals).])
-else
- signals_style=NO_SIGNAL_BLOCKING
- AC_DEFINE(NO_SIGNAL_BLOCKING,1,
- [Define to 1 if you have no signal blocking at all (bummer).])
-fi
+dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
+dnl (FreeBSD has a timezone() function but not a timezone global
+dnl variable that is visible).
+AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])