gentoo-overlay/x11-libs/tslib/files/tslib-1.21-optional-utils.patch

--- a/CMakeLists.txt	2019-10-22 10:27:05.000000000 +0200
+++ b/CMakeLists.txt	2019-12-25 16:18:52.814921538 +0100
@@ -17,6 +17,7 @@
 option(BUILD_SHARED_LIBS "ON:  tslib is build as shared; 
 			  OFF: tslib is build as static" ON)
 option(ENABLE_TOOLS "build additional tools" ON)
+option(ENABLE_UTILS "build calibration/test binaries" ON)
 
 set(LIBTS_VERSION_CURRENT 10)
 set(LIBTS_VERSION_REVISION 3)
@@ -28,7 +29,9 @@
 
 add_subdirectory(src)
 add_subdirectory(plugins)
-add_subdirectory(tests)
+if (ENABLE_UTILS)
+	add_subdirectory(tests)
+endif ()
 if (ENABLE_TOOLS)
 	add_subdirectory(tools)
 endif ()