--- cmake-3.17.2.org/Modules/FindRuby.cmake 2021-04-12 22:19:23.761018307 +0200
+++ cmake-3.17.2/Modules/FindRuby.cmake 2021-04-12 22:19:24.521040438 +0200
@@ -207,6 +207,7 @@ if( "${Ruby_FIND_VERSION_SHORT_NODOT}" G
- find_path(RUBY_CONFIG_INCLUDE_DIR
+ find_path(Ruby_CONFIG_INCLUDE_DIR
NAMES ruby/config.h config.h
HINTS
-+ ${RUBY_HDR_DIR}
- ${RUBY_HDR_DIR}/${RUBY_ARCH}
- ${RUBY_ARCH_DIR}
- ${RUBY_ARCHHDR_DIR}
++ ${Ruby_HDR_DIR}
+ ${Ruby_HDR_DIR}/${Ruby_ARCH}
+ ${Ruby_ARCH_DIR}
+ ${Ruby_ARCHHDR_DIR}