dnl ## Check for libraries

AC_CHECK_LIB(nsl, gethostname, [

AC_ADD_LIBRARY(nsl) ], [])

AC_CHECK_LIB(socket, socket, [

AC_ADD_LIBRARY(socket) ], [])

AC_CHECK_LIB(nsl, gethostbyaddr, [

AC_ADD_LIBRARY(nsl) ], [])

AC_CHECK_LIB(crypt, crypt, [

AC_ADD_LIBRARY(crypt)

AC_DEFINE(HAVE_CRYPT)], [])

AC_CHECK_LIB(c, crypt, [

AC_DEFINE(HAVE_CRYPT)], [])

dnl ## Check for header files

AC_HEADER_STDC

AC_CHECK_HEADERS(

bstring.h \

crypt.h \

unistd.h \

sys/resource.h \

sys/select.h \

sys/processor.h \

)

dnl ## Check for typedefs, structures, and compiler characteristics.

AC_TYPE_RLIM_T

AC_CACHE_CHECK([for tm_gmtoff in struct tm], ac_cv_struct_tm_gmtoff,

[AC_TRY_COMPILE([#include <sys/types.h>

#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_gmtoff;],

ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no)])

if test "$ac_cv_struct_tm_gmtoff" = "yes"; then

AC_DEFINE(HAVE_GMTOFF)

fi

dnl ## Check for library functions

AC_CHECK_FUNCS(

difftime \

syslog \

)