build: support automake-1.14.1 and previous

Change-Id: I557f5aef69580f3f7ce2faa64d956ad2770f30fa
Signed-off-by: Philippe Coval <philippe.coval@open.eurogiciel.org>

diff --git a/configure.ac b/configure.ac
index 20be125..2af1b36 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,7 @@ AC_CONFIG_HEADERS([config.h])
 
 # Checks for programs.
 AC_PROG_CC
+AM_PROG_CC_C_O
 AC_PROG_INSTALL
 
 # FIXME: Replace `main' with a function in `-lrt':