kc3-lang/SDL

diff --git a/configure b/configure
index ed6df89..de31eba 100755
--- a/configure
+++ b/configure
@@ -22431,7 +22431,47 @@ $as_echo "#define SDL_VIDEO_OPENGL_GLX 1" >>confdefs.h
 
 $as_echo "#define SDL_VIDEO_RENDER_OGL 1" >>confdefs.h
 
-            SUMMARY_video="${SUMMARY_video} opengl"
+            SUMMARY_video="${SUMMARY_video} opengl(glx)"
+        fi
+    fi
+}
+
+CheckOpenGLKMSDRM()
+{
+    if test x$enable_video = xyes -a x$enable_video_opengl = xyes -a x$enable_video_kmsdrm = xyes; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenGL (GLVND) support" >&5
+$as_echo_n "checking for OpenGL (GLVND) support... " >&6; }
+        video_opengl=no
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+         #include <GL/gl.h>
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+        video_opengl=yes
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $video_opengl" >&5
+$as_echo "$video_opengl" >&6; }
+        if test x$video_opengl = xyes; then
+
+$as_echo "#define SDL_VIDEO_OPENGL 1" >>confdefs.h
+
+
+$as_echo "#define SDL_VIDEO_RENDER_OGL 1" >>confdefs.h
+
+            SUMMARY_video="${SUMMARY_video} opengl(glvnd)"
         fi
     fi
 }
@@ -25040,6 +25080,7 @@ $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
         # Need to check for EGL first because KMSDRM depends on it.
         CheckEGLKMSDRM
         CheckKMSDRM
+        CheckOpenGLKMSDRM
         CheckOpenGLX11
         CheckOpenGLESX11
         CheckVulkan
diff --git a/test/configure b/test/configure
index 4f3793b..5d99f96 100755
--- a/test/configure
+++ b/test/configure
@@ -1442,48 +1442,6 @@ fi
 
 } # ac_fn_c_try_compile
 
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_c_try_run ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-       $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-       ac_retval=$ac_status
-fi
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_run
-
 # ac_fn_c_try_link LINENO
 # -----------------------
 # Try to link conftest.$ac_ext, and return whether this succeeded.
@@ -1530,6 +1488,48 @@ fi
 
 } # ac_fn_c_try_link
 
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
 # ac_fn_c_try_cpp LINENO
 # ----------------------
 # Try to preprocess conftest.$ac_ext, and return whether this succeeded.
@@ -2996,7 +2996,53 @@ fi
                 ISUNIX="true"
         EXE=""
         MATHLIB="-lm"
+                have_glvnd=no
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glBegin in -lOpenGL" >&5
+$as_echo_n "checking for glBegin in -lOpenGL... " >&6; }
+if ${ac_cv_lib_OpenGL_glBegin+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lOpenGL  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char glBegin ();
+int
+main ()
+{
+return glBegin ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_OpenGL_glBegin=yes
+else
+  ac_cv_lib_OpenGL_glBegin=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_OpenGL_glBegin" >&5
+$as_echo "$ac_cv_lib_OpenGL_glBegin" >&6; }
+if test "x$ac_cv_lib_OpenGL_glBegin" = xyes; then :
+
+                SYS_GL_LIBS="-lOpenGL"
+
+else
+
         SYS_GL_LIBS="-lGL"
+
+fi
+
         ;;
 esac