meson-wrap-subprojects wip

app/meson.build

@@ -112,13 +112,19 @@ cc = meson.get_compiler('c')
 
 static = get_option('static')
 
+sdl2_proj = subproject('sdl2')
+sdl2_dep = sdl2_proj.get_variable('sdl2_dep')
+
+meson.override_dependency('sdl2', sdl2_dep)
+
 dependencies = [
     dependency('libavformat', version: '>= 57.33', static: static),
     dependency('libavcodec', version: '>= 57.37', static: static),
     dependency('libavutil', static: static),
     dependency('libswresample', static: static),
-    dependency('sdl2', version: '>= 2.0.5', static: static),
+    dependency('sdl2', static: static),
 ]
+#dependency('sdl2', version: '>= 2.0.5', static: static),
 
 if v4l2_support
     dependencies += dependency('libavdevice', static: static)

subprojects/packagefiles/sdl2/meson.build

@@ -0,0 +1,77 @@
+project('sdl2', 'c')
+
+prefix = get_option('prefix')
+
+link_type = get_option('default_library')
+
+make_prog = find_program('make', required: true)
+
+configure_command = []
+
+configure_args = [
+  './configure',
+  '--prefix=' + prefix,
+]
+
+if host_machine.system() == 'linux'
+  configure_args += [
+    '--enable-video-wayland',
+    '--enable-video-x11',
+  ]
+endif
+
+if link_type == 'static'
+  configure_args += [
+    '--enable-static',
+    '--disable-shared',
+  ]
+else
+  configure_args += [
+    '--disable-static',
+    '--enable-shared',
+  ]
+endif
+
+if meson.is_cross_build()
+  configure_args += [
+    '--host=' + host_machine.cpu_family() + '-w64-mingw32',
+  ]
+endif
+
+configure_env = environment()
+configure_env.set('CFLAGS', '-O2')
+configure_env.set('CXXFLAGS', '-O2')
+
+configure_target = custom_target('sdl2_configure',
+  output: 'config.h',
+  command: configure_args,
+  env: configure_env,
+  console: true
+)
+
+if host_machine.system() == 'windows' and link_type == 'shared'
+  build_output = ['SDL2.dll']
+elif link_type == 'shared'
+  build_output = ['libSDL2.so']
+else
+  build_output = ['libSDL2.a']
+endif
+
+sdl2_build = custom_target('sdl2_build',
+  depends: configure_target,
+  output: build_output,
+  command: [make_prog, '-j'],
+  console: true,
+  build_by_default: true
+)
+
+sdl2_install = custom_target('sdl2_install',
+  depends: sdl2_build,
+  output: 'install_done',
+  command: [make_prog, 'install', '&&', 'touch', '@OUTPUT@'],
+  console: true,
+  build_by_default: true,
+  install: false
+)
+
+sdl2_dep = declare_dependency(sources: sdl2_install)

subprojects/sdl2.wrap

@@ -0,0 +1,9 @@
+[wrap-file]
+directory = SDL-release-2.32.8
+source_url = https://github.com/libsdl-org/SDL/archive/refs/tags/release-2.32.8.tar.gz
+source_filename = libsdl2-2.32.8.tar.gz
+source_hash = dd35e05644ae527848d02433bec24dd0ea65db59faecf1a0e5d1880c533dac2c
+patch_directory = sdl2
+
+[provide]
+sdl2 = sdl2_dep