nut-debian/m4/nut_check_libwrap.m4

49 lines
1.3 KiB
Plaintext
Raw Normal View History

2010-03-26 01:20:59 +02:00
dnl Check for LIBWRAP compiler flags. On success, set nut_have_libwrap="yes"
2011-01-26 11:35:08 +02:00
dnl and set LIBWRAP_CFLAGS and LIBWRAP_LIBS. On failure, set
2010-03-26 01:20:59 +02:00
dnl nut_have_libwrap="no". This macro can be run multiple times, but will
dnl do the checking only once.
AC_DEFUN([NUT_CHECK_LIBWRAP],
[
if test -z "${nut_have_libwrap_seen}"; then
nut_have_libwrap_seen=yes
dnl save LIBS
LIBS_ORIG="${LIBS}"
LIBS=""
AC_CHECK_HEADERS(tcpd.h, [nut_have_libwrap=yes], [nut_have_libwrap=no], [AC_INCLUDES_DEFAULT])
AC_SEARCH_LIBS(yp_get_default_domain, nsl, [], [nut_have_libwrap=no])
dnl The line below doesn't work on Solaris 10.
dnl AC_SEARCH_LIBS(request_init, wrap, [], [nut_have_libwrap=no])
AC_MSG_CHECKING(for library containing request_init)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <tcpd.h>
int allow_severity = 0, deny_severity = 0;
]], [[ request_init(0); ]])], [
AC_MSG_RESULT(none required)
], [
LIBS="${LIBS} -lwrap"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <tcpd.h>
int allow_severity = 0, deny_severity = 0;
]], [[ request_init(0); ]])], [
AC_MSG_RESULT(-lwrap)
], [
AC_MSG_RESULT(no)
nut_have_libwrap=no
])
])
if test "${nut_have_libwrap}" = "yes"; then
AC_DEFINE(HAVE_WRAP, 1, [Define to enable libwrap support])
LIBWRAP_CFLAGS=""
2011-01-26 11:35:08 +02:00
LIBWRAP_LIBS="${LIBS}"
2010-03-26 01:20:59 +02:00
fi
dnl restore original LIBS
LIBS="${LIBS_ORIG}"
fi
])