FS-7653 Thanks to Mike Jerris who wrote up the build system files for this.

build/standalone_module/Makefile.am

+AUTOMAKE_OPTIONS = foreign subdir-objects
+
+mod_LTLIBRARIES = mod_skel.la
+mod_skel_la_SOURCES  = mod_skel.c
+mod_skel_la_CFLAGS   = $(FREESWITCH_CFLAGS)
+mod_skel_la_LDFLAGS  = -avoid-version -module -no-undefined -shared $(FREESWITCH_LDFLAGS)

build/standalone_module/README

+This is a sample build system for a stand alone FreeSWITCH module.
+
+To build and install:
+./bootstrap.sh
+./configure
+make
+make install

build/standalone_module/bootstrap.sh

+#!/bin/bash
+autoreconf -i

build/standalone_module/configure.ac

+AC_INIT([freeswitch_standalone_module], [1.7.0], bugs@freeswitch.org)
+
+AM_INIT_AUTOMAKE
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+AM_PROG_CC_C_O
+
+AC_PROG_LIBTOOL
+
+PKG_CHECK_MODULES([FREESWITCH],[freeswitch],[],[])
+PKG_CHECK_VAR([moddir],[freeswitch],[modulesdir])
+
+AC_SUBST(FREESWITCH_CFLAGS)
+AC_SUBST(FREESWITCH_LDFLAGS)
+AC_SUBST(moddir)
+
+AC_CONFIG_FILES([Makefile])
+
+AC_OUTPUT