Convert build system to autotools, and enable building the shared library

.gitignore

@@ -0,0 +1,28 @@
+*~
+*.pc
+*.la
+*.o
+libtool
+ltmain.sh
+missing
+install-sh
+depcomp
+configure
+config.*
+*.lo
+autom4te.cache
+ar-lib
+compile
+test-driver
+aclocal.m4
+Makefile
+Makefile.in
+.deps
+*.log
+.libs
+ii
+*.tar*
+/jsondump
+/simple_example
+/test_*
+.dirstamp

.travis.yml

@@ -1,4 +1,6 @@
 language: c
 sudo: false
 script:
-  - make test
+  - ./autogen.sh
+  - ./configure
+  - make all simple_example check

Makefile.am

@@ -0,0 +1,53 @@
+# Copyright 2017 Luke Dashjr
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the standard MIT license.  See COPYING for more details.
+
+lib_LTLIBRARIES = libjsmn.la
+libjsmn_la_SOURCES = jsmn.c
+libjsmn_la_LDFLAGS = -version-info $(LIBJSMN_SO_VERSION) -no-undefined
+
+libjsmn_includedir = $(includedir)
+libjsmn_include_HEADERS = jsmn.h
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = jsmn.pc
+
+dist_noinst_SCRIPTS = autogen.sh
+dist_doc_DATA = LICENSE README.md
+
+jsondump_SOURCES = example/jsondump.c
+jsondump_LDADD = libjsmn.la
+
+simple_example_SOURCES = example/simple.c
+simple_example_LDADD = libjsmn.la
+
+if USE_TOOL
+bin_PROGRAMS = jsondump
+endif
+
+if NEVER_ENABLED
+noinst_PROGRAMS = simple_example
+endif
+
+TESTS = test_default test_strict test_links test_strict_links
+if NEVER_ENABLED
+noinst_PROGRAMS += $(TESTS)
+endif
+
+test_default_SOURCES = test/tests.c
+
+test_strict_SOURCES = test/tests.c
+test_strict_CPPFLAGS = -DJSMN_STRICT=1
+
+test_links_SOURCES = test/tests.c
+test_links_CPPFLAGS = -DJSMN_PARENT_LINKS=1
+
+test_strict_links_SOURCES = test/tests.c
+test_strict_links_CPPFLAGS = -DJSMN_STRICT=1 -DJSMN_PARENT_LINKS=1
+
+# Compatibility with old Makefile:
+
+test: check
+
+.PHONY: test

README.md

@@ -84,14 +84,18 @@ To clone the repository you should have Git installed. Just run:
 	$ git clone https://github.com/zserge/jsmn
 
 Repository layout is simple: jsmn.c and jsmn.h are library files, tests are in
-the jsmn\_test.c, you will also find README, LICENSE and Makefile files inside.
+test/tests.c; you will also find README, LICENSE and autotools build files
+inside.
 
-To build the library, run `make`. It is also recommended to run `make test`.
-Let me know, if some tests fail.
+To build the library, run `./configure && make`. It is also recommended to run
+`make test`. Let me know if any tests fail.
 
-If build was successful, you should get a `libjsmn.a` library.
+If build was successful, you should get a `libjsmn.a` and `libjsmn.so*`
+libraries in the `.libs` directory.
 The header file you should include is called `"jsmn.h"`.
 
+You can install the libraries to your system by running `make install`.
+
 API
 ---
 

autogen.sh

@@ -0,0 +1,11 @@
+#!/bin/sh -e
+# Written by Luke Dashjr in 2012
+# This program is released under the terms of the Creative Commons "CC0 1.0 Universal" license and/or copyright waiver.
+
+if test -z "$srcdir"; then
+	srcdir=`dirname "$0"`
+	if test -z "$srcdir"; then
+		srcdir=.
+	fi
+fi
+autoreconf --force --install --verbose "$srcdir"

configure.ac

@@ -0,0 +1,38 @@
+dnl * Copyright 2012-2017 Luke Dashjr
+dnl *
+dnl * This program is free software; you can redistribute it and/or modify it
+dnl * under the terms of the standard MIT license.  See COPYING for more details.
+
+AC_INIT(
+	[jsmn],
+	[0.1.0],
+	[[email protected]],
+	[jsmn])
+AC_CONFIG_AUX_DIR([.])
+AC_PREREQ([2.59])
+AM_INIT_AUTOMAKE([1.11 -Wall dist-xz foreign subdir-objects])
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+AC_PROG_CC_C99
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+LT_INIT([])
+
+# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+AC_SUBST([LIBJSMN_SO_VERSION], [0:0:0])
+
+AC_CONFIG_FILES([Makefile
+	jsmn.pc:jsmn.pc.in
+])
+
+AC_ARG_ENABLE([tool],
+	[AC_HELP_STRING([--disable-tool],[Compile command line jsmndump tool (default enabled)])],
+	[use_tool=$enableval],
+	[use_tool=auto])
+if test x$use_tool != xno; then
+	use_tool=yes
+fi
+AM_CONDITIONAL([USE_TOOL], [test x$use_tool = xyes])
+
+AM_CONDITIONAL([NEVER_ENABLED], [false])
+
+AC_OUTPUT

jsmn.pc.in

@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE_NAME@
+Description: A minimalistic JSON parser in C.
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -ljsmn
+Cflags: -I${includedir}