Rewrite ninja generation scripts in Lua

1 files changed, 123 insertions, 0 deletions

diff --git a/pkg/mpv/gen.lua b/pkg/mpv/gen.lua
new file mode 100644
index 00000000..5d77a98b
--- /dev/null
+++ b/pkg/mpv/gen.lua
@@ -0,0 +1,123 @@
+rule('versionhdr', 'sh $srcdir/version.sh --cwd=$srcdir --versionh=$out')
+build('versionhdr', '$outdir/version.h', {'|', '$srcdir/version.sh'})
+
+sub('tools.ninja', function()
+	toolchain 'host'
+	set('srcdir', '$dir')
+	exe('file2string', {'file2string.c'})
+end)
+
+cflags{
+	'-D _GNU_SOURCE',
+	'-I $dir',
+	'-I $outdir',
+	'-I $srcdir',
+	'-I pkg/ffmpeg/src',
+	'-I $builddir/pkg/ffmpeg/include',
+	'-I $builddir/pkg/zlib/include',
+}
+local libs = {
+	'ffmpeg/libavcodec.a.d',
+	'ffmpeg/libavdevice.a.d',
+	'ffmpeg/libavfilter.a.d',
+	'ffmpeg/libavformat.a.d',
+	'ffmpeg/libavutil.a',
+	'ffmpeg/libswresample.a.d',
+	'ffmpeg/libswscale.a.d',
+	'zlib/libz.a',
+}
+pkg.deps = {
+	'$outdir/version.h',
+	'pkg/ffmpeg/headers',
+	'pkg/zlib/headers',
+}
+
+rule('file2string', '$outdir/file2string $in >$out.tmp && mv $out.tmp $out')
+function file2string(out, inp)
+	build('file2string', '$outdir/'..out, {'$srcdir/'..inp, '|', '$outdir/file2string'})
+	table.insert(pkg.deps, '$outdir/'..out)
+end
+
+file2string('input/input_conf.h', 'etc/input.conf')
+file2string('player/builtin_conf.inc', 'etc/builtin.conf')
+file2string('sub/osd_font.h', 'sub/osd_font.otf')
+for _, f in ipairs{'assdraw', 'defaults', 'options', 'osc', 'ytdl_hook'} do
+	file2string('player/lua/'..f..'.inc', 'player/lua/'..f..'.lua')
+end
+
+local options = {}
+for line in io.lines(pkg.dir..'/config.h') do
+	local var, val = line:match('^#define ([^ ]+) ([^ ]+)')
+	if var and val == '1' then
+		options[var] = true
+	end
+end
+local sources = {}
+for line in io.lines(pkg.dir..'/sources.txt') do
+	local i = line:find(' ', 1, true)
+	local add = true
+	if i then
+		local var = line:sub(i + 1):upper():gsub('-', '_')
+		local neg = var:sub(1, 1) == '!'
+		if neg then
+			var = var:sub(2)
+		end
+		add = options['HAVE_'..var] or false ~= neg
+	end
+	if add then
+		sources[line:sub(1, i and i - 1)] = true
+	end
+end
+sources = table.keys(sources)
+table.insert(pkg.inputs.gen, {'$dir/config.h', '$dir/sources.txt'})
+
+if options['HAVE_ALSA'] then
+	cflags{'-I $builddir/pkg/alsa-lib/include'}
+	table.insert(libs, 'alsa-lib/libasound.a')
+	table.insert(pkg.deps, 'pkg/alsa-lib/headers')
+end
+if options['HAVE_DRM'] then
+	cflags{
+		'-I pkg/libdrm/src',
+		'-I pkg/libdrm/src/include/drm',
+	}
+	table.insert(libs, 'libdrm/libdrm.a')
+	table.insert(pkg.deps, '$builddir/pkg/libdrm/fetch.stamp')
+end
+if options['HAVE_LIBASS'] then
+	cflags{'-I $builddir/pkg/libass/include'}
+	table.insert(libs, 'libass/libass.a.d')
+	table.insert(pkg.deps, 'pkg/libass/headers')
+end
+if options['HAVE_LUA'] then
+	cflags{'-I pkg/lua/src/src'}
+	table.insert(libs, 'lua/liblua.a')
+	table.insert(pkg.deps, '$builddir/pkg/lua/fetch.stamp')
+end
+if options['HAVE_WAYLAND'] then
+	cflags{
+		'-I $builddir/pkg/wayland/include',
+		'-I pkg/libxkbcommon/src',
+	}
+	table.insert(libs, {
+		'wayland/libwayland-client.a.d',
+		'wayland/libwayland-cursor.a.d',
+		'libxkbcommon/libxkbcommon.a',
+	})
+	table.insert(pkg.deps, {
+		'pkg/wayland/headers',
+		'$builddir/pkg/libxkbcommon/fetch.stamp',
+	})
+end
+
+exe('mpv', {
+	'ta/ta.c',
+	'ta/ta_talloc.c',
+	'ta/ta_utils.c',
+	sources,
+	expand{'$builddir/pkg/', libs},
+})
+file('bin/mpv', '755', '$outdir/mpv')
+man{'DOCS/man/mpv.1'}
+
+fetch 'git'