--- CMakeLists.txt	2020-01-20 22:04:42.000000000 +0000

+++ CMakeLists.txt	2020-08-24 20:11:44.636000000 +0000

@@ -20,7 +20,7 @@ ENDIF("${CMAKE_BUILD_TYPE}" MATCHES "Deb

 cmake_minimum_required(VERSION 2.6)

 # Disable ruby support by default

-SET(NO_RUBY 1)

+OPTION(NO_RUBY "Disable ruby binding building" ON)

 # Enable make uninstall rule

 CONFIGURE_FILE(

--- src/CMakeLists.txt	2020-01-20 22:04:42.000000000 +0000

+++ src/CMakeLists.txt	2020-08-24 23:19:01.860000000 +0000

@@ -786,10 +794,9 @@ INSTALL( DIRECTORY ${Canorus_Scripts} DE

 # Install translations

 INSTALL(FILES ${Canorus_Translation_Bins} DESTINATION "${CMAKE_INSTALL_PREFIX}/${CANORUS_INSTALL_DATA_DIR}/lang")

 # Install fonts

-INSTALL(FILES ${Canorus_Fonts} DESTINATION "${CMAKE_INSTALL_PREFIX}/${CANORUS_INSTALL_DATA_DIR}/fonts")

+SET(TTF_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${CANORUS_INSTALL_DATA_DIR}/fonts" CACHE PATH "True-type fonts installation folder")

+INSTALL(FILES ${Canorus_Fonts} DESTINATION ${TTF_INSTALL_DIR})

 # Install users manual, if it exists

-INSTALL(CODE "FILE(MAKE_DIRECTORY ${CMAKE_INSTALL_PREFIX}/${CANORUS_INSTALL_DATA_DIR}/doc)")

-INSTALL(CODE "FILE(MAKE_DIRECTORY ${CMAKE_INSTALL_PREFIX}/${CANORUS_INSTALL_DATA_DIR}/doc/usersguide)")

 FILE(GLOB Canorus_Usersguide RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ../doc/usersguide/*.qhc ../doc/usersguide/*.qch)

 INSTALL(FILES ${Canorus_Usersguide} DESTINATION "${CMAKE_INSTALL_PREFIX}/${CANORUS_INSTALL_DATA_DIR}/doc/usersguide")

 # Install examples

--- src/CMakeLists.txt~	2021-10-12 16:12:10.457000000 +0000

+++ src/CMakeLists.txt	2021-10-12 16:27:44.228000000 +0000

@@ -14,7 +14,7 @@ IF(NOT CMAKE_BUILD_TYPE)

 ENDIF(NOT CMAKE_BUILD_TYPE)

 SET(CMAKE_C_FLAGS_DEBUG "-O0 -g -fstack-protector-all -Wall -Werror -Wuninitialized -Wtype-limits -Wstack-protector")

-SET(CMAKE_C_FLAGS_RELEASE "-O2")

+SET(CMAKE_C_FLAGS_RELEASE "-O2 -Wno-error=deprecated-declarations -Wno-error=return-type -Wno-deprecated-declarations -Wno-return-type -Wno-unused-variable -Wno-error")

 SET(CMAKE_CXX_STANDARD 14)

@@ -632,7 +632,7 @@ IF(USE_RUBY)

 		SOURCES ${Canorus_Swig_Srcs} ${CMAKE_CURRENT_SOURCE_DIR}/scripting/canorusruby.i

 	)

 	SWIG_LINK_LIBRARIES(CanorusRuby ${RUBY_LIBRARY} Qt5::Widgets Qt5::Core Qt5::Gui Qt5::Svg Qt5::Xml Qt5::PrintSupport)

-	SET_TARGET_PROPERTIES( ${SWIG_MODULE_CanorusRuby_REAL_NAME} PROPERTIES COMPILE_FLAGS "-DSWIGCPP" )

+	SET_TARGET_PROPERTIES( ${SWIG_MODULE_CanorusRuby_REAL_NAME} PROPERTIES COMPILE_FLAGS "-DSWIGCPP -Wno-error=deprecated-declarations -Wno-return-type" )

 ENDIF(USE_RUBY)

 IF(USE_PYTHON)