feat(cmake) Allow building LVGL without kconfig (#2165)

CMakeLists.txt

@@ -3,7 +3,7 @@ if(ESP_PLATFORM)
 file(GLOB_RECURSE SOURCES src/*.c)
 
 idf_component_register(SRCS ${SOURCES}
-                       INCLUDE_DIRS . src
+                       INCLUDE_DIRS . src ../
                        REQUIRES main)
 
 target_compile_definitions(${COMPONENT_LIB} PUBLIC "-DLV_CONF_INCLUDE_SIMPLE")

scripts/lv_conf_checker.py

@@ -28,11 +28,12 @@ fout.write(
 #include <stdint.h>
 
 /* Handle special Kconfig options */
+#ifndef LV_KCONFIG_IGNORE
 #   include "lv_conf_kconfig.h"
-
 #   ifdef CONFIG_LV_CONF_SKIP
 #       define LV_CONF_SKIP
 #   endif
+#endif
 
 /*If "lv_conf.h" is available from here try to use it later.*/
 #if defined __has_include

src/lv_conf_internal.h

@@ -11,11 +11,12 @@
 #include <stdint.h>
 
 /* Handle special Kconfig options */
+#ifndef LV_KCONFIG_IGNORE
 #   include "lv_conf_kconfig.h"
-
 #   ifdef CONFIG_LV_CONF_SKIP
 #       define LV_CONF_SKIP
 #   endif
+#endif
 
 /*If "lv_conf.h" is available from here try to use it later.*/
 #if defined __has_include