build: Add meson build system

README.md

@@ -100,3 +100,15 @@ validated.
 For more detail on conformance, refer to [_Bluetooth Conformance
 Documents and scripts_](https://www.bluetooth.com/specifications/specs/low-complexity-communication-codec-1-0/)
 
+## Meson build system
+
+Meson build system is also available to build and install lc3 codec in Linux
+environment.
+
+```sh
+$ meson build
+$ cd build
+$ ninja
+$ sudo ninja install
+```
+

meson.build

@@ -0,0 +1,31 @@
+#  Copyright © 2022 Intel Corporation
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at:
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+project('lc3', 'c',
+	version: '0.1',
+	license: 'Apache-2.0',
+	meson_version: '>= 0.47.0',
+	default_options: ['b_lto=true'])
+
+add_project_arguments('-ffast-math', language: 'c')
+
+cc = meson.get_compiler('c')
+
+m_dep = cc.find_library('m', required: false)
+
+subdir('src')
+
+if get_option('tools')
+    subdir('tools')
+endif

meson_options.txt

@@ -0,0 +1,18 @@
+#  Copyright © 2022 Intel Corporation
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at:
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+option('tools',
+    type: 'boolean',
+    value: false,
+    description: 'Build tools')

src/meson.build

@@ -0,0 +1,46 @@
+#  Copyright © 2022 Intel Corporation
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at:
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+inc = include_directories('../include')
+
+lc3_sources = [
+	'attdet.c',
+	'bits.c',
+	'bwdet.c',
+	'energy.c',
+	'lc3.c',
+	'ltpf.c',
+	'mdct.c',
+	'plc.c',
+	'sns.c',
+	'spec.c',
+	'tables.c',
+	'tns.c'
+]
+
+lc3lib = library('lc3',
+		lc3_sources,
+		dependencies: m_dep,
+		include_directories: inc,
+		install: true)
+
+install_headers('../include/lc3.h', '../include/lc3_private.h')
+
+pkg_mod = import('pkgconfig')
+
+pkg_mod.generate(libraries : lc3lib,
+                 version : '0.1',
+                 name : 'liblc3',
+                 filebase : 'lc3',
+                 description : 'LC3 codec library')

tools/meson.build

@@ -0,0 +1,25 @@
+#  Copyright © 2022 Intel Corporation
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at:
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+inc = include_directories('../include')
+
+executable('elc3', ['elc3.c', 'lc3bin.c', 'wave.c'],
+    link_with : lc3lib,
+    include_directories: inc,
+    dependencies: m_dep)
+
+executable('dlc3', ['dlc3.c', 'lc3bin.c', 'wave.c'],
+    link_with : lc3lib,
+    include_directories: inc,
+    dependencies: m_dep)