Fix build problem due to pthread extensions usage

See: http://ipozgaj.blogspot.com/2006/08/posix-threads-and-manual-pages-rant.htm

diff --git a/configure.ac b/configure.ac
index 428807abf5dc5cb76e4d70fdd2da28c78f7b149a..c6f6fc758a9375fa44aa9956c663eb93fc825e71 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,7 @@ LT_INIT([dlopen disable-static])
 AC_PROG_CC
 AC_PROG_CPP
 AM_PROG_CC_C_O
+AC_USE_SYSTEM_EXTENSIONS
 
 LINGUAS=""
 AM_GNU_GETTEXT([external], [need-ngettext])