Merge pull request #2102 from LukashonakV/Cava

meson.build

@@ -2,7 +2,7 @@ project(
     'waybar', 'cpp', 'c',
     version: '0.9.17',
     license: 'MIT',
-    meson_version: '>= 0.49.0',
+    meson_version: '>= 0.50.0',
     default_options : [
         'cpp_std=c++17',
         'buildtype=release',
@@ -175,6 +175,8 @@ src_files = files(
     'src/util/rewrite_string.cpp'
 )
 
+inc_dirs = ['include']
+
 if is_linux
     add_project_arguments('-DHAVE_CPU_LINUX', language: 'cpp')
     add_project_arguments('-DHAVE_MEMORY_LINUX', language: 'cpp')
@@ -334,6 +336,19 @@ if get_option('experimental')
     add_project_arguments('-DUSE_EXPERIMENTAL', language: 'cpp')
 endif
 
+cava = compiler.find_library('cava',
+                             required: get_option('cava'))
+if not cava.found() and not get_option('cava').disabled()
+   cava = dependency('cava',
+                     required: false,
+                     fallback: [ 'cava', 'cava_dep' ])
+endif
+
+if cava.found()
+   add_project_arguments('-DHAVE_LIBCAVA', language: 'cpp')
+   src_files += 'src/modules/cava.cpp'
+endif
+
 subdir('protocol')
 
 executable(
@@ -367,9 +382,10 @@ executable(
         gtk_layer_shell,
         libsndio,
         tz_dep,
-		xkbregistry
+		xkbregistry,
+        cava
     ],
-    include_directories: [include_directories('include')],
+    include_directories: inc_dirs,
     install: true,
 )