Disable LTO on the plugin libraries again

This reverts most of e9c8c69a80. This
change ended up breaking `libyabridge-vst2.so` in Bitwig for some
reason.

CHANGELOG.md

@@ -89,12 +89,6 @@ Versioning](https://semver.org/spec/v2.0.0.html).
   library to replace Boost.Asio.
 - Fixed a deprecation warning in the Meson build, causing the minimum supported
   Meson version to be bumped up to **Meson 0.56** from 0.55.
-- LTO has been explicitly enabled for all of the library targets. LTO doesn't
-  work with the plugin host Winelib binaries because of the way winegcc works,
-  but it's still useful for the plugin libraries so the option is now explicitly
-  enabled in the Meson build file for those targets. This is especially
-  important for the new chainloader libraries as they will otherwise pull in a
-  lot of code they don't actually need.
 
 ## [3.8.1] - 2022-03-08
 

meson.build

@@ -268,12 +268,11 @@ shared_library(
     threads_dep,
     tomlplusplus_dep,
   ],
+  # NOTE: LTO does not support Winelibs, and it seems to break
+  #       `libyabridge-vst2.so` in Bitwig for some reason. It should be left
+  #       turned off for the time being except for on the chainloader
+  #       libraries.
   cpp_args : compiler_options,
-  # LTO currently doesn't work with winelibs, so instead we'll explicitly enable
-  # it for all other targets (which is extra important for the chainloaders as
-  # they'd otherwise pull in a bunch of unused symbols) without affecting the
-  # Wine plugin host binaries
-  override_options : ['b_lto=true'],
 )
 shared_library(
   'yabridge-chainloader-vst2',
@@ -287,10 +286,7 @@ shared_library(
     rt_dep,
   ],
   cpp_args : compiler_options + chainloader_compiler_options,
-  # LTO currently doesn't work with winelibs, so instead we'll explicitly enable
+  # LTO is useful here to get rid of unused code
-  # it for all other targets (which is extra important for the chainloaders as
-  # they'd otherwise pull in a bunch of unused symbols) without affecting the
-  # Wine plugin host binaries
   override_options : ['b_lto=true'],
 )
 
@@ -316,11 +312,6 @@ if with_vst3
       vst3_sdk_native_dep,
     ],
     cpp_args : compiler_options,
-    # LTO currently doesn't work with winelibs, so instead we'll explicitly
-    # enable it for all other targets (which is extra important for the
-    # chainloaders as they'd otherwise pull in a bunch of unused symbols)
-    # without affecting the Wine plugin host binaries
-    override_options : ['b_lto=true'],
   )
   shared_library(
     'yabridge-chainloader-vst3',
@@ -334,10 +325,7 @@ if with_vst3
       rt_dep,
     ],
     cpp_args : compiler_options + chainloader_compiler_options,
-    # LTO currently doesn't work with winelibs, so instead we'll explicitly
+    # See above
-    # enable it for all other targets (which is extra important for the
-    # chainloaders as they'd otherwise pull in a bunch of unused symbols)
-    # without affecting the Wine plugin host binaries
     override_options : ['b_lto=true'],
   )
 endif