Allow the plugin to be built by Meson

meson.build

@@ -0,0 +1,45 @@
+project('intersect-lv2', 'c')
+
+lv2_dep = dependency('lv2')
+fftw3_dep = dependency('fftw3f')
+
+visibility_args = []
+if meson.get_compiler('c').has_argument('-fvisibility=hidden')
+	visibility_args = ['-fvisibility=hidden']
+endif
+
+intersect = shared_library(
+	'intersect',
+	'src/init.h',
+	'src/init.c',
+	'src/intersect.h',
+	'src/intersect.c',
+	'src/main.c',
+	'src/types.h',
+	'src/util.h',
+	c_args: visibility_args,
+	dependencies: [lv2_dep, fftw3_dep],
+	name_prefix: '',
+	install: true,
+	install_dir: 'lib/lv2/intersect.lv2',
+)
+
+configuration = configuration_data()
+configuration.set('EXT', 'so')
+configure_file(
+	input: 'metadata/manifest.ttl.in',
+	output: 'manifest.ttl',
+	configuration: configuration,
+	install: true,
+	install_dir: 'lib/lv2/intersect.lv2',
+)
+
+install_data(
+	'metadata/intersect.ttl',
+	install_dir: 'lib/lv2/intersect.lv2',
+)
+
+install_data(
+	'intersect',
+	install_dir: 'bin',
+)