dnl Check for posix_spawn
AC_CHECK_FUNCS(posix_spawn)
+dnl Check for getgrouplist
+AC_CHECK_FUNCS(getgrouplist)
+
dnl See if the tm structure has the tm_gmtoff member...
AC_MSG_CHECKING(for tm_gmtoff member in tm structure)
AC_TRY_COMPILE([#include <time.h>],[struct tm t;