[freetype2] wl/meson-logging 78eee48: * meson.build: Support `FT_DEBUG_LOGGING` option.

[Werner Lemberg]

branch: wl/meson-logging
commit 78eee48d97ecf0d51ad0dac03e5c70dbc8406a58
Author: Werner Lemberg <wl@gnu.org>
Commit: Werner Lemberg <wl@gnu.org>

    * meson.build: Support `FT_DEBUG_LOGGING` option.
    
    If this option is set, we need threads support.
---
 ChangeLog   |  6 ++++++
 meson.build | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 347d976..34ed7cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2021-07-04  Werner Lemberg  <wl@gnu.org>
+
+       * meson.build: Support `FT_DEBUG_LOGGING` option.
+
+       If this option is set, we need threads support.
+
 2021-07-03  Werner Lemberg  <wl@gnu.org>
 
        * meson_options.txt: Sort alphabetically; no final full stops.
diff --git a/meson.build b/meson.build
index 13142bc..6ddadc1 100644
--- a/meson.build
+++ b/meson.build
@@ -73,6 +73,7 @@ ft_main_modules = run_command(python_exe,
 ft2_sources += files([
   'src/base/ftbase.c',
   'src/base/ftinit.c',
+  'src/dlg/dlgwrap.c',
 ])
 
 foreach mod: ft_main_modules
@@ -231,6 +232,15 @@ endif
 ft2_deps = []
 
 
+# Check whether threads support is needed and available.
+if cc.has_header_symbol('freetype/config/ftoption.h', 'FT_DEBUG_LOGGING',
+                        include_directories: ft2_includes)
+  thread_dep = dependency('threads',
+    required: true)
+  ft2_deps += [thread_dep]
+endif
+
+
 # Generate `ftoption.h` based on available dependencies.
 
 process_header_command = [python_exe,