Add meson as alternative build system

Add a note to the readme file to clarify that the default build system is still
automake.

Signed-off-by: Tim Wiederhake <twied@gmx.net>

1 files changed, 78 insertions, 0 deletions

diff --git a/src/meson.build b/src/meson.build
new file mode 100644
index 0000000..9c801df
--- /dev/null
+++ b/src/meson.build
@@ -0,0 +1,78 @@
+deftwmrc = custom_target(
+    'deftwmrc.c',
+    input: 'system.twmrc',
+    output: 'deftwmrc.c',
+    command: [
+        find_program('gen_deftwmrc.sh'),
+        '@OUTPUT@',
+        '@INPUT@',
+    ],
+)
+
+parser = custom_target(
+    'gram.[ch]',
+    input: [
+        'gram.y',
+    ],
+    output: [
+        'gram.c',
+        'gram.h'
+    ],
+    command: [
+        find_program('bison'),
+        '-y',
+        '-d',
+        '-o',
+        '@OUTPUT0@',
+        '@INPUT@',
+    ],
+)
+
+lexer = custom_target(
+    'lex.c',
+    input: [
+        'lex.l',
+        parser[1],
+    ],
+    output: [
+        'lex.c',
+    ],
+    command: [
+        find_program('flex'),
+        '-o',
+        '@OUTPUT@',
+        '@INPUT0@',
+    ],
+)
+
+twm = executable(
+    'twm',
+    [
+        'add_window.c',
+        'cursor.c',
+        'events.c',
+        'gc.c',
+        'iconmgr.c',
+        'icons.c',
+        'list.c',
+        'menus.c',
+        'parse.c',
+        'resize.c',
+        'session.c',
+        'twm.c',
+        'util.c',
+        deftwmrc,
+        parser,
+        lexer,
+    ],
+    dependencies: twm_dependencies,
+    install: true,
+)
+
+configure_file(
+    input: 'system.twmrc',
+    output: 'system.twmrc',
+    copy: true,
+    install: true,
+    install_dir: get_option('datadir') / 'X11/twm/',
+)