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configure.ac: disable libwrap if not compatible with C++

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The libwrap version on Mac OS X is broken, it will not work with C++
due to broken function prototypes.
This commit is contained in:
Max Kellermann 2013-01-27 21:34:43 +01:00
parent e98e2a0b07
commit 44725e485d
1 changed files with 21 additions and 0 deletions
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21
configure.ac
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@ -577,6 +577,27 @@ AM_CONDITIONAL(ENABLE_INOTIFY, test x$enable_inotify = xyes)
dnl --------------------------------- libwrap ---------------------------------
if test x$enable_libwrap != xno; then
AC_CHECK_LIBWRAP(found_libwrap=yes, found_libwrap=no)
if test x$found_libwrap = xyes; then
dnl See if libwrap is compatible with C++; it is
dnl broken on many systems
AC_MSG_CHECKING(whether libwrap is compatible with C++)
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <tcpd.h>
bool CheckLibWrap(int fd, const char &progname) {
struct request_info req;
request_init(&req, RQ_FILE, fd, RQ_DAEMON, progname, 0);
fromhost(&req);
return hosts_access(&req);
}
])],
AC_MSG_RESULT([yes]),
[found_libwrap=no; AC_MSG_RESULT([no]);
AC_MSG_WARN([Your version of libwrap is broken with C++])])
AC_LANG_POP
fi
MPD_AUTO_RESULT(libwrap, libwrap, [libwrap not found])
fi