[feature] add autotools

Standard autoconf/automake/libtool boilerplate.

Makefile.am

+ACLOCAL_AMFLAGS = -I m4
+SUBDIRS = src tests
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libexcit.pc
+
+EXTRA_DIST = autogen.sh libexcit.pc README.md

autogen.sh

+#!/bin/sh
+set -x
+autoreconf -vif -I m4

configure.ac

+# see semver.org for version info
+AC_INIT([excit],[0.0.1],[brice.videau@imag.fr])
+
+# are we in the right source dir ?
+AC_CONFIG_SRCDIR([src/citerators.h])
+
+# build artefacts in separate dir
+AC_CONFIG_AUX_DIR([m4])
+AC_CONFIG_MACRO_DIR([m4])
+
+# automake should fail on any error
+AM_INIT_AUTOMAKE([-Wall -Werror foreign 1.12])
+AM_PROG_AR
+
+# check for libtool
+LT_INIT
+
+# check for programs
+AC_LANG([C])
+AC_PROG_CC
+AC_PROG_CC_STDC
+AC_TYPE_SIZE_T
+AC_HEADER_ASSERT
+
+AC_CONFIG_HEADERS([src/config.h])
+
+AC_CONFIG_FILES([Makefile
+		 src/Makefile
+		 tests/Makefile
+		 libexcit.pc])
+AC_OUTPUT

libexcit.pc.in

+prefix=@prefix@
+exec_prefix=@prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libexcit
+Description: Extensive C Iterators
+Version: 0.0.1
+Libs: -L${libdir} -lexcit
+Cflags: -I${includedir}

src/Makefile.am

+
+lib_LTLIBRARIES = libexcit.la
+
+libexcit_la_SOURCES = citerators.c citerators.h
+
+include_HEADERS = citerators.h

tests/Makefile.am

+AM_COLOR_TESTS = yes
+
+AM_CFLAGS = -I$(top_srcdir)/src
+AM_LDFLAGS = ../src/libexcit.la
+
+UNIT_TESTS = citerators
+
+# all tests
+check_PROGRAMS = $(UNIT_TESTS)
+TESTS = $(UNIT_TESTS)