archive/plugins/meson.build: do not generate empty library

If no archive library was found, return from the "plugins" directory without creating "libarchive_plugins.a". Empty static libraries are unsupported on some operating systems such as macOS. Closes https://github.com/MusicPlayerDaemon/MPD/issues/1650

archive/plugins/meson.build: do not generate empty library
32bddfab · Max Kellermann · 1944c826 · 32bddfab · 32bddfab
Commit 32bddfab authored Nov 03, 2022 by Max Kellermann
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NEWS NEWS +1 -0

meson.build src/archive/plugins/meson.build +4 -0

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--- a/NEWS
+++ b/NEWS
 ver 0.23.11 (not yet released)
+* macOS: fix build failure "no archive members specified"
 * Android/Windows
  - update OpenSSL to 3.0.7


--- a/src/archive/plugins/meson.build
+++ b/src/archive/plugins/meson.build
@@ -22,6 +22,10 @@ if libzzip_dep.found()
  found_archive_plugin = true
 endif

+if not found_archive_plugin
+  subdir_done()
+endif
+
 archive_plugins = static_library(
  'archive_plugins',
  archive_plugins_sources,