sandbox: Provide a build option to avoid using SDL
Some machines do not have SDL libraries installed, and it is still useful
to build sandbox without LCD/keyboard support.
Add an option for this, used as follows:
make sandbox_config all NO_SDL=1
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk
index e094ae2..c3f889f 100644
--- a/arch/sandbox/config.mk
+++ b/arch/sandbox/config.mk
@@ -18,3 +18,9 @@
$(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map
CONFIG_ARCH_DEVICE_TREE := sandbox
+
+# Define this to avoid linking with SDL, which requires SDL libraries
+# This can solve 'sdl-config: Command not found' errors
+ifneq ($(NO_SDL),)
+PLATFORM_CPPFLAGS += -DSANDBOX_NO_SDL
+endif