Use autotools to generate library

libx52/Makefile

@@ -1,9 +0,0 @@
-SRCS := $(wildcard *.c)
-HEADERS := $(wildcard *.h)
-
-test_x52: ${SRCS} ${HEADERS}
-	gcc -I /usr/include/libusb-1.0/ ${SRCS} -lusb-1.0 -o $@
-
-.PHONY: clean
-clean:
-	rm -f test_x52 *.o

libx52/Makefile.am

@@ -0,0 +1,2 @@
+SUBDIRS = src
+

libx52/autogen.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+autoreconf --install

libx52/configure.ac

@@ -0,0 +1,25 @@
+AC_INIT([libx52], [1.0], [nirenjan@gmail.com])
+AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
+AC_PROG_CC
+AM_PROG_AR
+LT_INIT
+
+# Check for libusb-1.0
+AC_SEARCH_LIBS([libusb_init], [libusb-1.0], [have_libusb=yes])
+
+if test "x${have_libusb}" = xyes; then
+    AC_CHECK_HEADERS([libusb-1.0/libusb.h], [], [have_libusb=no])
+fi
+
+if test "x${have_libusb}" = xno; then
+    AC_MSG_ERROR([
+    -------------------------------------------------------
+     The library libusb-1.0 and header file libusb.h
+     are required to build libx52. Stopping...
+     Check 'config.log' for more information.
+    -------------------------------------------------------
+    ])
+fi
+
+AC_CONFIG_FILES([Makefile src/Makefile])
+AC_OUTPUT

libx52/src/Makefile.am

@@ -0,0 +1,6 @@
+lib_LTLIBRARIES = libx52.la
+libx52_la_SOURCES = x52_common.h x52_commands.h libx52.h \
+					x52_control.c x52_core.c \
+					x52_date_time.c x52_mfd_led.c
+
+pkginclude_HEADERS = libx52.h

libx52/src/x52_common.h

@@ -14,7 +14,7 @@
 
 #include <stdint.h>
 #include <stdlib.h>
-#include <libusb.h>
+#include <libusb-1.0/libusb.h>
 #include "libx52.h"
 
 /*

libx52/src/x52_control.c

@@ -15,8 +15,6 @@
 #include <errno.h>
 #include <string.h>
 
-#include <libusb.h>
-
 #include "libx52.h"
 #include "x52_commands.h"
 #include "x52_common.h"

libx52/src/x52_core.c

@@ -15,8 +15,6 @@
 #include <errno.h>
 #include <string.h>
 
-#include <libusb.h>
-
 #include "libx52.h"
 #include "x52_commands.h"
 #include "x52_common.h"

libx52/src/x52_date_time.c

@@ -15,8 +15,6 @@
 #include <errno.h>
 #include <string.h>
 
-#include <libusb.h>
-
 #include "libx52.h"
 #include "x52_commands.h"
 #include "x52_common.h"