commit 2356c9dcd6a78a3ec8fce3ab1647e771fb674a71
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Thu Nov 24 09:08:46 2022 +0100
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Thu Nov 24 09:08:46 2022 +0100

    CMake build for Wayland: check for presence of required GL-related software

 CMake/options.cmake | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git CMake/options.cmake CMake/options.cmake
index 8d27c11..094d444 100644
--- CMake/options.cmake
+++ CMake/options.cmake
@@ -445,11 +445,13 @@ endif (HAVE_GL)
 
 if (OPTION_USE_GL)
   if (OPTION_USE_WAYLAND)
-    pkg_check_modules(WLDEGL wayland-egl)
-    if (NOT WLDEGL_FOUND)
-      message (STATUS "Module 'wayland-egl' is required to build for the Wayland backend.")
+    pkg_check_modules(WLD_EGL wayland-egl)
+    pkg_check_modules(PKG_EGL egl)
+    pkg_check_modules(PKG_GL gl)
+    if (NOT (WLD_EGL_FOUND AND PKG_EGL_FOUND AND PKG_GL_FOUND))
+      message (STATUS "Modules 'wayland-egl, egl, and gl' are required to build for the Wayland backend.")
       message (FATAL_ERROR "*** Aborting ***")
-    endif (NOT WLDEGL_FOUND)
+    endif (NOT (WLD_EGL_FOUND AND PKG_EGL_FOUND AND PKG_GL_FOUND))
   endif (OPTION_USE_WAYLAND)
   if (OPTION_APPLE_X11)
     set (OPENGL_FOUND TRUE)