build: add autotools build system

Makefile.am

@@ -0,0 +1,13 @@
+ACLOCAL_AMFLAGS = -I m4
+
+SUBDIRS = src example
+
+if BUILD_TESTS
+SUBDIRS += tests
+endif
+
+pkgincludedir = $(includedir)/cli
+pkginclude_HEADERS = \
+	include/cli.h \
+	include/cli_parse_utils.h \
+	include/compiler.h

autogen.sh

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

configure.ac

@@ -0,0 +1,47 @@
+AC_PREREQ([2.69])
+AC_INIT([libcli], [0.1.0], [])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIRS([m4])
+AM_INIT_AUTOMAKE([foreign -Wall -Werror subdir-objects])
+AC_PROG_CC
+AM_PROG_AR
+
+LT_PREREQ([2.2])
+LT_INIT
+
+# --enable-tests
+AC_ARG_ENABLE([tests],
+	[AS_HELP_STRING([--enable-tests], [Build Criterion unit tests (default: no)])],
+	[enable_tests=$enableval],
+	[enable_tests=no])
+
+AM_CONDITIONAL([BUILD_TESTS], [test "x$enable_tests" = "xyes"])
+
+AS_IF([test "x$enable_tests" = "xyes"], [
+	PKG_CHECK_MODULES([CRITERION], [criterion], [], [
+		AC_MSG_NOTICE([pkg-config could not find criterion -- trying manual detection])
+		AC_CHECK_HEADER([criterion/criterion.h], [], [
+			AC_MSG_ERROR([criterion/criterion.h not found])])
+		AC_CHECK_LIB([criterion], [main],
+			[CRITERION_LIBS="-lcriterion"],
+			[AC_MSG_ERROR([libcriterion not found])])
+	])
+])
+
+AC_CONFIG_FILES([
+	Makefile
+	src/Makefile
+	tests/Makefile
+	example/Makefile
+])
+AC_OUTPUT
+
+AC_MSG_NOTICE([
+
+	libcli $VERSION
+	---------------
+	prefix	: $prefix
+	CC		: $CC
+	CFLAGS	: $CFLAGS
+	tests	: $enable_tests
+])

example/Makefile.am

@@ -0,0 +1,6 @@
+noinst_PROGRAMS = greet
+
+greet_SOURCES	= main.c
+greet_CPPFLAGS	= -I$(top_srcdir)/include
+greet_CFLAGS	= -std=c99 -Wall -Wextra
+greet_LDADD		= $(top_builddir)/src/libcli.la

src/Makefile.am

@@ -0,0 +1,12 @@
+lib_LTLIBRARIES = libcli.la
+
+libcli_la_SOURCES = \
+	parse.c \
+	parse_utils/parse_int.c \
+	parse_utils/parse_float.c
+
+libcli_la_CPPFLAGS	= -I$(top_srcdir)/include
+libcli_la_CFLAGS	= -std=c99 -Wall -Wextra
+
+# Libtool versioning: current:revision:age
+libcli_la_LDFLAGS	= -version-info 0:1:0

tests/Makefile.am

@@ -0,0 +1,15 @@
+AM_CPPFLAGS = -I$(top_srcdir)/include $(CRITERION_CFLAGS)
+AM_CFLAGS   = -std=c99
+
+check_PROGRAMS = test_cli
+
+test_cli_SOURCES = \
+	test_main.c \
+	parse_utils/test_parse_int.c \
+	parse_utils/test_parse_float.c
+
+test_cli_LDADD = \
+	$(top_builddir)/src/libcli.la \
+	$(CRITERION_LIBS)
+
+TESTS = test_cli