Minor reorder and simplification of autotools files

Change-Id: I55db0cf7f6041890564f557c98286c8b4bde80cb
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/configure.ac b/configure.ac
index b292adf..8e1b587 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,12 +3,12 @@
 AC_INIT([phosphor-host-ipmid], [1.0], [https://github.com/openbmc/phosphor-host-ipmid/issues])
 AC_CONFIG_HEADERS([config.h])
 AM_INIT_AUTOMAKE([subdir-objects -Wall -Werror foreign dist-xz])
-AM_PROG_AR()
 
 # Checks for programs.
 AC_PROG_CXX
-AX_CXX_COMPILE_STDCXX(14, [noext])
+AX_CXX_COMPILE_STDCXX_14([noext])
 AC_PROG_CC
+AM_PROG_AR
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 
@@ -22,10 +22,8 @@
 # Checks for typedefs, structures, and compiler characteristics.
 
 # Checks for library functions.
-LT_INIT
+LT_INIT([dlopen disable-static shared])
 LT_LIB_DLLOAD
-AC_ENABLE_SHARED
-AC_DISABLE_STATIC
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT