commit 658d412208c3c0b647c14d710a35316da599dd40
Author: Olivier Blin <olivier.blin@softathome.com>
Date:   Thu Jul 5 11:10:21 2012 +0200

    Fix build with automake 1.12 (#2419)
    
    AM_C_PROTOTYPES has been deprecated in automake 1.12.
    AM_PROG_AR also needs to be run, to be able to link static .a files.

diff --git a/configure.ac b/configure.ac
index 751c32c..8f26958 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,6 +12,7 @@ AM_INIT_AUTOMAKE
 # Checks for programs.
 AC_PROG_CC
 AM_PROG_CC_C_O
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 AC_PROG_LD
 AC_PROG_INSTALL
 AC_PROG_AWK
@@ -34,9 +35,6 @@ AM_CONDITIONAL(NO_RDYNAMIC, test x$NO_RDYNAMIC = xyes)
 
 AC_EXEEXT
 
-dnl more automake stuff
-AM_C_PROTOTYPES
-
 dnl libtool
 AC_DISABLE_STATIC	
 AC_ENABLE_SHARED