Add Apple compatible build configuration

meson.build

@@ -25,16 +25,23 @@ uvsrc = [
   'src/unix/thread.c',
   'src/unix/timer.c',
   'src/unix/tty.c',
-  'src/unix/udp.c',
-  'src/unix/linux-core.c',
-  'src/unix/linux-inotify.c',
-  'src/unix/linux-syscalls.c',
-  'src/unix/procfs-exepath.c',
-  'src/unix/proctitle.c',
-  'src/unix/sysinfo-loadavg.c',
-  'src/unix/sysinfo-memory.c',
+  'src/unix/udp.c'
 ]
 
+# Linux systems
+if cc.get_define('__linux__') != ''
+    uvsrc += [
+      'src/unix/linux-core.c',
+      'src/unix/linux-inotify.c',
+      'src/unix/linux-syscalls.c',
+      'src/unix/procfs-exepath.c',
+      'src/unix/proctitle.c',
+      'src/unix/sysinfo-loadavg.c',
+      'src/unix/sysinfo-memory.c',
+    ]
+endif
+
+
 uvdefines = [ '-D_GNU_SOURCE', ]
 add_project_arguments(
   # https://github.com/libuv/libuv/issues/2603
@@ -48,6 +55,22 @@ if cc.get_define('__ANDROID__') != ''
              'src/unix/pthread-fixes.c' ]
 endif
 
+# OSX systems
+if cc.get_define('__APPLE__') != ''
+    uvsrc += [
+      'src/unix/bsd-ifaddrs.c',
+      'src/unix/darwin.c',
+      'src/unix/darwin-proctitle.c',
+      'src/unix/fsevents.c',
+      'src/unix/kqueue.c',
+      'src/unix/proctitle.c'
+    ]
+    uvdefines += [
+      '-D_DARWIN_USE_64_BIT_INODE=1',
+      '-D_DARWIN_UNLIMITED_SELECT=1'
+    ]
+endif
+
 pthread = dependency('threads')
 
 libuv_deps = [ cc.find_library('m', required: false),