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-rw-r--r--configure.ac21
1 files changed, 21 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 1dd2126b..a15733f1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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