acpi: remerge uacpi as inhouse

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

libs/uacpi/meson.build

@@ -0,0 +1,51 @@
+project('uacpi', meson_version: '>=1.1', version: '4.0.0')
+
+src = [
+    'source/tables.c',
+    'source/types.c',
+    'source/uacpi.c',
+    'source/utilities.c',
+    'source/interpreter.c',
+    'source/opcodes.c',
+    'source/namespace.c',
+    'source/stdlib.c',
+    'source/shareable.c',
+    'source/opregion.c',
+    'source/default_handlers.c',
+    'source/io.c',
+    'source/notify.c',
+    'source/sleep.c',
+    'source/registers.c',
+    'source/resources.c',
+    'source/event.c',
+    'source/mutex.c',
+    'source/osi.c',
+]
+
+sources = files(src)
+includes = include_directories('include')
+
+if get_option('install_pkgconfig')
+    install_data(sources, install_dir: get_option('datadir') / 'uacpi', preserve_path: true)
+    install_subdir('include', install_dir: get_option('datadir') / 'uacpi')
+
+    sourcelist = ''
+    foreach f : src
+        if sourcelist != ''
+            sourcelist += ';'
+        endif
+        sourcelist += f
+    endforeach
+
+    import('pkgconfig').generate(
+        name: 'uacpi',
+        description: 'A portable and easy-to-integrate implementation of the Advanced Configuration and Power Interface (ACPI)',
+        version: meson.project_version(),
+        dataonly: true,
+        variables: [
+            'installdir=${pc_sysrootdir}/' + get_option('prefix') / get_option('datadir') / 'uacpi/',
+            'includedir=${installdir}/include/',
+            'sourcefiles=' + sourcelist,
+        ]
+    )
+endif