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build-sys: Silence warning about missing AC_LANG_SOURCE call in acx_libwrap.m4

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This updates the acx_libwrap.m4 macro for autoconf 2.68 and fixes
warnings like:
    configure.ac:471: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
This commit is contained in:
poljar (Damir Jelić) 2013-09-16 02:00:35 +02:00 • committed by Arun Raghavan
parent b58ab2b351
commit f9a54a0d04
1 changed files with 2 additions and 2 deletions
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4
m4/acx_libwrap.m4
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@ -4,13 +4,13 @@ saved_LIBS="$LIBS"
LIBS="$LIBS -lwrap"
AC_MSG_CHECKING([for tcpwrap library and headers])
AC_LINK_IFELSE(
AC_LANG_PROGRAM(
[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);]),
return hosts_access (req);])],
[AC_DEFINE(HAVE_LIBWRAP, [], [Have tcpwrap?])
LIBWRAP_LIBS="-lwrap"
AC_MSG_RESULT(yes)],