commit 3f2166ea9118a8606ba43a9fa11afb41d1fbaa9b
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Tue Jan 4 18:36:45 2022 +0100
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Tue Jan 4 18:36:56 2022 +0100

    Introduction of FL/fl_config.h - continued

 FL/platform.H       | 5 ++---
 FL/platform_types.h | 4 +++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git FL/platform.H FL/platform.H
index b1a61c0..f70550b 100644
--- FL/platform.H
+++ FL/platform.H
@@ -28,9 +28,8 @@
 #if !defined(FL_PLATFORM_H) && !defined(FL_DOXYGEN)
 #  define FL_PLATFORM_H
 
-#   include <FL/fl_config.h>
 #   include <FL/Fl_Export.H>
-#   include <FL/platform_types.h>
+#   include <FL/platform_types.h> // will bring in FL/fl_config.h
 #   include <FL/fl_types.h> // for uchar
 class Fl_Window;
 
@@ -40,7 +39,7 @@ class Fl_Window;
 #    include "mac.H"
 #  elif defined(__ANDROID__)
 #    include "android.H"
-#  else // X11
+#  elif defined(FLTK_USE_X11)
 #   include <FL/fl_types.h>
 #   include <FL/Enumerations.H>
 #    if defined(_ABIN32) || defined(_ABI64) // fix for broken SGI Irix X .h files
diff --git FL/platform_types.h FL/platform_types.h
index 9b3fa84..cafeae0 100644
--- FL/platform_types.h
+++ FL/platform_types.h
@@ -46,6 +46,8 @@ typedef opaque GLContext; /**< an OpenGL graphics context, into which all OpenGL
 #ifndef FL_PLATFORM_TYPES_H
 #define FL_PLATFORM_TYPES_H
 
+#include <FL/fl_config.h>
+
 /* Platform-dependent types are defined here.
   These types must be defined by any platform:
   Fl_Offscreen, Fl_Bitmask, Fl_Region, FL_SOCKET, GLContext, struct dirent, struct stat,
@@ -136,7 +138,7 @@ typedef struct __GLXcontextRec *GLContext;
 #include <sys/types.h>
 #include <dirent.h>
 
-#else /* X11 */
+#elif defined(FLTK_USE_X11)
 
 typedef unsigned long Fl_Offscreen;
 typedef unsigned long Fl_Bitmask;