kmscube: document failed attempt

build: remove duplicated lines from some merge

README.adoc

@@ -3815,12 +3815,6 @@ Ubuntu 18.04 host attempts with an NVIDIA graphics cards failed, it seems that N
 
 * https://github.com/dvdhrm/kmscon/issues/113 `driver does not support dumb buffers`
 * https://github.com/Aetf/kmscon/issues/2#issuecomment-392484043 kmscon attempt
-* `sudo apt-get instll kmscube && kmscube` fails with:
-+
-....
-drmModeGetResources failed: Invalid argument
-failed to initialize legacy DRM
-....
 
 Bibliography:
 
@@ -3832,6 +3826,52 @@ Bibliography:
 
 Tested on: 93e383902ebcc03d8a7ac0d65961c0e62af9612b
 
+==== kmscube
+
+TODO get working:
+
+....
+./build -b br2_kmscube
+....
+
+build fails with:
+
+....
+configure: error: Package requirements (egl) were not met:
+
+Package egl was not found in the pkg-config search path.
+Perhaps you should add the directory containing `egl.pc'
+to the PKG_CONFIG_PATH environment variable
+Package 'egl', required by 'world', not found
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+Alternatively, you may set the environment variables EGL_CFLAGS
+and EGL_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+package/pkg-generic.mk:213: recipe for target '/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/build/kmscube-6cbd03ab94066dddbba7bedfde87c7c4319c18d5/.stamp_configured' failed
+make[1]: *** [/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/build/kmscube-6cbd03ab94066dddbba7bedfde87c7c4319c18d5/.stamp_configured] Error 1
+Makefile:79: recipe for target '_all' failed
+make: *** [_all] Error 2
+....
+
+TODO: minimize on master and bug report.
+
+On Ubuntu 18.04 with NVIDIA proprietary drivers:
+
+....
+sudo apt-get instll kmscube
+kmscube
+....
+
+fails with:
+
+....
+drmModeGetResources failed: Invalid argument
+failed to initialize legacy DRM
+....
+
 ==== libdri2
 
 TODO get working.

br2_kmscube

@@ -0,0 +1,10 @@
+BR2_PACKAGE_KMSCUBE=y
+BR2_PACKAGE_MESA3D=y
+BR2_PACKAGE_MESA3D_OPENGL_EGL=y
+BR2_PACKAGE_MESA3D_OPENGL_ES=y
+
+# Software rasteriser.
+# Selects the following chain:
+# BR2_PACKAGE_MESA3D_DRIVER=y
+# BR2_PACKAGE_MESA3D_DRI_DRIVER=y
+BR2_PACKAGE_MESA3D_DRI_DRIVER_SWRAST=y

build

@@ -164,11 +164,6 @@ BR2_ROOTFS_POST_SCRIPT_ARGS=\"${post_script_args}\"
     sed -Ei 's/^BR2_PACKAGE_LINUX_TOOLS_GPIO/BR2_PACKAGE_LINUX_TOOLS_GPIO=n/' "$config_file"
   fi
   make O="$buildroot_out_dir" olddefconfig
-  if [ "$arch" = 'mips64' ]; then
-    # Workaround for: https://bugs.busybox.net/show_bug.cgi?id=10276
-    sed -Ei 's/^BR2_PACKAGE_LINUX_TOOLS_GPIO/BR2_PACKAGE_LINUX_TOOLS_GPIO=n/' "$config_file"
-  fi
-  make O="$buildroot_out_dir" olddefconfig
 fi
 
 common_mkdir