sighold sigrelse writev lstat uname tzset killpg mkstemp \
sethostent)
-dnl solaris screws ths up
+dnl solaris screws this up
AC_CHECK_FUNC(gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)],
AC_CHECK_LIB(nsl, gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)] ) )
AC_REPLACE_FUNCS(snprintf strerror strdup)
+dnl Look for the initgroups() declaration. On AIX 4.[13] and Solaris 4.1.3,
+dnl the function is defined in libc but there's no declaration in any system
+dnl header.
+dnl
+dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
+dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
+dnl need to check?
+AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
+ AC_EGREP_HEADER(initgroups, unistd.h,
+ AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
+
dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
dnl seems to work perfectly and IBM apparently uses it in internal code).