configure: add few common libraries to build.

Does not matter for libusual.a but for test executables.

diff --git a/configure.ac b/configure.ac
index c3fc471336fcf2f79840947a0da082f160573a63..5a2ce786afb7b41fb950f0c6e066cc05d3b84d86 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,12 @@ AC_USUAL_DEBUG
 
 AC_USUAL_LIBEVENT(opt)
 
+dnl search for common libraries
+AC_SEARCH_LIBS(clock_gettime, rt)
+AC_SEARCH_LIBS(getsockname, socket)
+AC_SEARCH_LIBS(gethostbyname, nsl)
+AC_SEARCH_LIBS(hstrerror, resolv)
+
 dnl Output findings
 AC_OUTPUT([config.mak])