systemd-stable/m4/acx_libwrap.m4

AC_DEFUN([ACX_LIBWRAP], [
LIBWRAP_LIBS=
saved_LIBS="$LIBS"
LIBS="$LIBS -lwrap"
AC_MSG_CHECKING([for tcpwrap library and headers])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <tcpd.h>
#include <syslog.h>
int allow_severity = LOG_INFO;
int deny_severity = LOG_WARNING;],
[struct request_info *req;
return hosts_access (req);])],
[AC_DEFINE(HAVE_LIBWRAP, [], [Have tcpwrap?])
LIBWRAP_LIBS="-lwrap"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LIBS="$saved_LIBS"
])
socket: add optional libwrap support 2010-06-16 15:41:29 +02:00			`AC_DEFUN([ACX_LIBWRAP], [`
			`LIBWRAP_LIBS=`
			`saved_LIBS="$LIBS"`
			`LIBS="$LIBS -lwrap"`
			`AC_MSG_CHECKING([for tcpwrap library and headers])`
			`AC_LINK_IFELSE(`
build-sys: fix AC_COMPILE_IFELSE tests This removes some warnings when bootstrapping. The warnings were introduced in autoconf 2.68. Reference: http://www.flameeyes.eu/autotools-mythbuster/forwardporting/autoconf.html The following code AC_COMPILE_IFELSE([ <MY C CODE HERE> ], ...) is changed to AC_COMPILE_IFELSE( [AC_COMPILE_IFELSE([AC_LANG_SOURCE([ <MY C CODE HERE> ])], ...) 2011-01-26 17:59:11 -02:00			`[AC_LANG_PROGRAM(`
socket: add optional libwrap support 2010-06-16 15:41:29 +02:00			`[#include <tcpd.h>`
			`#include <syslog.h>`
			`int allow_severity = LOG_INFO;`
			`int deny_severity = LOG_WARNING;],`
			`[struct request_info *req;`
build-sys: fix AC_COMPILE_IFELSE tests This removes some warnings when bootstrapping. The warnings were introduced in autoconf 2.68. Reference: http://www.flameeyes.eu/autotools-mythbuster/forwardporting/autoconf.html The following code AC_COMPILE_IFELSE([ <MY C CODE HERE> ], ...) is changed to AC_COMPILE_IFELSE( [AC_COMPILE_IFELSE([AC_LANG_SOURCE([ <MY C CODE HERE> ])], ...) 2011-01-26 17:59:11 -02:00			`return hosts_access (req);])],`
socket: add optional libwrap support 2010-06-16 15:41:29 +02:00			`[AC_DEFINE(HAVE_LIBWRAP, [], [Have tcpwrap?])`
			`LIBWRAP_LIBS="-lwrap"`
			`AC_MSG_RESULT(yes)],`
			`[AC_MSG_RESULT(no)])`
			`LIBS="$saved_LIBS"`
			`])`