Migrate to Qt6

CMakeLists.txt

@@ -17,7 +17,7 @@ if(SANITIZE_ADDRESS_LEAK)
     set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=address -fsanitize=leak")
 endif(SANITIZE_ADDRESS_LEAK)
 
-find_package(Qt5 COMPONENTS Widgets Sql OpenGL REQUIRED)
+find_package(Qt6 COMPONENTS Widgets Sql OpenGLWidgets REQUIRED)
 find_library(GSL_LIB gsl REQUIRED)
 find_library(GSLCBLAS_LIB gslcblas REQUIRED)
 find_library(EXIF_LIB exif REQUIRED)
@@ -52,15 +52,12 @@ set(TENMON_SRC
 )
 
 option(COLOR_MANAGMENT "Enable sRGB framebuffer support for gamma correct images and color profiles support" ON)
-if(${Qt5Core_VERSION_STRING} VERSION_LESS "5.14")
-    set(COLOR_MANAGMENT OFF)
-endif(${Qt5Core_VERSION_STRING} VERSION_LESS "5.14")
 
 if(COLOR_MANAGMENT)
     add_compile_definitions("COLOR_MANAGMENT")
 endif(COLOR_MANAGMENT)
 
-qt5_add_resources(TENMON_SRC resources.qrc)
+qt_add_resources(TENMON_SRC resources.qrc)
 if(WIN32)
     list(APPEND TENMON_SRC icon.rc)
     set(tenmon_ICON "")
@@ -82,7 +79,7 @@ if(UNIX AND NOT APPLE)
     target_include_directories(tenmon PRIVATE ${GIO_INCLUDE_DIRS})
 endif()
 
-target_link_libraries(tenmon Qt5::Widgets Qt5::Sql ${GSL_LIB} ${GSLCBLAS_LIB} ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} XISF)
+target_link_libraries(tenmon Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets ${GSL_LIB} ${GSLCBLAS_LIB} ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} XISF)
 if(APPLE)
     target_link_libraries(tenmon "-framework CoreFoundation")
 else()