Use modern autoconf-archive macro to ensure @CC_FOR_BUILD@ and such gets
replaced in Makefiles.
--- a/configure.in+++ b/configure.in@@ -9,7 +9,7 @@ AC_PROG_CCAC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_PROG_LN_S
-AX_CC_FOR_BUILD+AX_PROG_CC_FOR_BUILDAC_PATH_PROG(INSTALL_INFO, install-info, "")