Move array bits to lib/

lib/meson.build

 utils_lib = library('utils', 'utils.c')
-utils_dep = declare_dependency(link_with: utils_lib, include_directories: '.')
+utils_dep = declare_dependency(link_with: utils_lib,
+    include_directories: '.')
+
+array_lib = library('array',
+    ['array.c', 'mem.c'],
+    dependencies: libm)
+array_dep = declare_dependency(link_with: array_lib,
+    include_directories: '.')

meson.build

@@ -16,3 +16,7 @@ endif
 
 subdir('lib')
 subdir('src')
+
+if glib_dep.found()
+    subdir('test')
+endif

src/meson.build

@@ -18,7 +18,6 @@ executable('strtol', 'strtol.c')
 executable('taylor', 'taylor.c')
 executable('world', 'world.c')
 
-subdir('array')
 subdir('hashtable')
 subdir('list')
 subdir('sockets')

src/array/test/meson.build → test/meson.build

 avg = executable('average',
                  'average.c',
-                 link_with: lib,
-                 include_directories: lib_inc,
-                 dependencies: [glib_dep])
+                 dependencies: [array_dep, glib_dep])
 
 basic = executable('basic',
                    'basic.c',
-                   link_with: lib,
-                   include_directories: lib_inc,
-                   dependencies: [glib_dep])
+                   dependencies: [array_dep, glib_dep])
 
 empty = executable('empty',
                    'empty.c',
-                   link_with: lib,
-                   include_directories: lib_inc,
-                   dependencies: [glib_dep])
+                   dependencies: [array_dep, glib_dep])
 
 test('average', avg)
 test('basic', basic)