Add more features to the build system

	- Windows 32 compilation
	- Test system
	- Shared and static libraries

Signed-off-by: Vicent Marti <tanoku@gmail.com>

wscript

+from waflib.Context import Context
+from waflib.Build import BuildContext, CleanContext, \
+        InstallContext, UninstallContext
+
 CFLAGS = ["-g", "-O2", "-Wall", "-Wextra"]
 
 def options(opt):
 	opt.load('compiler_c')
-	opt.add_option('--sha1', action='store', default='builtin', help='TODO')
+	opt.add_option('--sha1', action='store', default='builtin',
+		help="Use the builtin SHA1 routines (--sha1=builtin), the\
+PPC optimized version (--sha1=ppc) or the SHA1 functions from OpenSSH (--sha1=openssh)")
 
 def configure(conf):
 	conf.load('compiler_c')
@@ -12,11 +18,19 @@ def configure(conf):
 
 	conf.env.sha1 = conf.options.sha1
 
-
 def build(bld):
-	import glob, sys
+	import sys
+
+	libs = { 'static' : 'cstlib', 'shared' : 'cshlib' }
 
-	sources = glob.glob('src/*.c')
+	if bld.variant not in libs:
+		from waflib import Options
+		Options.commands = [bld.cmd + '-shared', bld.cmd + '-static'] + Options.commands
+		return
+
+	directory = bld.path
+
+	sources = directory.ant_glob('src/*.c')
 	flags = CFLAGS
 	defines = []
 	visibility = True
@@ -48,23 +62,81 @@ def build(bld):
 	if not visibility:
 		flags.append('-fvisibility=hidden')
 
-	sources = sources + glob.glob('src/%s/*.c' % os)
+	sources = sources + directory.ant_glob('src/%s/*.c' % os)
 
-	bld.stlib(
+	bld(features='c ' + libs[bld.variant],
 		source=sources,
 		target='git2',
 		includes='src',
 		cflags=flags,
-		defines=defines
+		defines=defines,
+		inst_to='${LIBDIR}'
 	)
 
-	bld.shlib(
-		source=sources,
-		target='git2',
-		includes='src',
-		cflags=flags,
-		defines=defines
-	)
+	bld.install_files('${PREFIX}/include/git', directory.ant_glob('src/git/*.h'))
+	if os == "unix":
+		bld.install_files('${PREFIX}/lib/pkgconfig', 'libgit2.pc')
+
+
+class _test(BuildContext):
+	cmd = 'test'
+	fun = 'test'
+
+def test(bld):
+	from waflib import Options
+	Options.commands = ['build-static', 'build-tests', 'run-tests'] + Options.commands
+
+class _build_tests(BuildContext):
+	cmd = 'build-tests'
+	fun = 'build_tests'
+	variant = 'tests'
+
+def build_tests(bld):
+	import os
+
+	directory = bld.path
+	bld.objects(source=['tests/test_helpers.c', 'tests/test_lib.c'], includes=['src', 'tests'], target='test_helper')
+
+	for test_file in directory.ant_glob('tests/t????-*.c'):
+		test_name, _ = os.path.splitext(os.path.basename(test_file.abspath()))
+
+		test_toc_file = directory.make_node('tests/%s.toc' % test_name)
+		if bld.cmd == 'clean':
+			test_toc_file.delete()
+		else:
+			test_toc = bld.cmd_and_log(['grep', 'BEGIN_TEST', test_file.abspath()], quiet=True)
+			test_toc_file.write(test_toc)
+
+		bld.program(
+			source=[test_file, 'tests/test_main.c'],
+			target=test_name,
+			includes=['src', 'tests'],
+			defines=['TEST_TOC="%s.toc"' % test_name],
+			stlib=['git2', 'z'],
+			stlibpath=[directory.abspath(), 'build'],
+			use='test_helper')
+
+class _run_tests(Context):
+	cmd = 'run-tests'
+	fun = 'run_tests'
+
+def run_tests(ctx):
+	test_folder = ctx.path.make_node('tests/tmp/')
+
+	for test in ctx.path.ant_glob('build/tests/t????-*'):
+		test_folder.delete()
+		test_folder.mkdir()
+
+		if ctx.exec_command(test.abspath(), cwd=test_folder.abspath()) != 0:
+			ctx.fatal('Test run failed')
+			break
+
+	test_folder.delete()
 
-	bld.install_files('${PREFIX}/include/git', glob.glob('src/git/*.h'))
+for var in ('static', 'shared'):
+	for ctx in (BuildContext, CleanContext, InstallContext, UninstallContext):
+		name = ctx.__name__.replace('Context', '').lower()
+		class _genclass(ctx):
+			cmd = name + '-' + var
+			variant = var