begin to separate potentially shared code into library

INSTALL

@@ -2,6 +2,7 @@ First of all, you need some packages installed:
 
 autoconf
 automake
+libtool
 gammu
 
 To compile program:

Makefile.am

@@ -1,8 +1,14 @@
+SUBDIRS = lib
+
 INCLUDES=${gammu_CFLAGS}
 yasnd_LDADD = ${libconfuse_LIBS}
 yasnd_LDADD += ${gammu_LIBS}
+yasnd_LDADD += lib/libyasnd.la
 sbin_PROGRAMS = yasnd
 yasnd_SOURCES = yasnd.c yasnd-gammu.c yasnd-ipc.c
 
+ACLOCAL_AMFLAGS = -I m4
+
 distclean-local:
-	rm -rf aclocal.m4 autom4te.cache depcomp install-sh missing configure Makefile.in config.h* &>/dev/null
+	rm -rf aclocal.m4 m4 autom4te.cache depcomp install-sh missing configure Makefile.in config.h* &>/dev/null
+	rm -rf ltmain.sh config.guess config.sub &>/dev/null

autogen.sh

@@ -1,5 +1,6 @@
 #!/bin/sh
 aclocal
 autoheader
+libtoolize
 autoconf
 automake -a

configure.ac

@@ -4,12 +4,15 @@ AC_CONFIG_SRCDIR([yasnd.c])
 AC_CONFIG_HEADERS([config.h])
 AC_LANG([C])
 AM_INIT_AUTOMAKE
+AC_CONFIG_MACRO_DIR([m4])
+AC_DISABLE_STATIC
 
 # Default prefix for installation
 AC_PREFIX_DEFAULT()
 
 # Checks for programs.
 AC_PROG_CC_C99
+LT_INIT
 
 # Checks for libraries.
 PKG_CHECK_MODULES([gammu], [gammu >= 1.0])
@@ -27,5 +30,5 @@ AC_CHECK_FUNCS([strdup memset])
 AC_FUNC_FORK
 AC_FUNC_MALLOC
 
-AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Makefile lib/Makefile])
 AC_OUTPUT

lib/Makefile.am

@@ -0,0 +1,6 @@
+lib_LTLIBRARIES = libyasnd.la
+libyasnd_la_SOURCES = libyasnd.c
+libyasnd_la_CPPFLAGS = -I$(top_srcdir)
+
+distclean-local:
+	rm -f Makefile.in &>/dev/null

lib/libyasnd.c

@@ -0,0 +1,5 @@
+#include "yasnd.h"
+
+void lib_init()
+{
+}