Hi,
I'm not able to find a good way to modify my cmake files to consider
CMP0026 policy introduced in cmake 3.0.0.
I have a project that create a library libfoo and FooConfig.cmake file
that allows to use my library as a 3rd party.
In FooConfig.cmake updated during configuration time, I need to set
FOO_LIBRARIES with the full path and name of the library in debug and
release. To get the library names, I use the target location property.
Since cmake 3.0.0 this seems a bad idea.
CMake Warning (dev) at CMakeLists.txt:8 (get_target_property):
Policy CMP0026 is not set: Disallow use of the LOCATION target property.
CMake Warning (dev) at CMakeLists.txt:9 (get_target_property):
Policy CMP0026 is not set: Disallow use of the LOCATION target property.
Here is a small example that reproduces the behavior.
-- Begin CMakeLists.txt --
project(test)
cmake_minimum_required(VERSION 2.6)
add_library(foo foo.cpp)
get_target_property(FOO_LIBNAME_DBG foo LOCATION_Debug)
get_target_property(FOO_LIBNAME_OPT foo LOCATION_Release)
get_filename_component(FOO_LIBNAME_DBG "${FOO_LIBNAME_DBG}" NAME)
get_filename_component(FOO_LIBNAME_OPT "${FOO_LIBNAME_OPT}" NAME)
configure_file(FooConfig.cmake.in FooConfig.cmake)
-- End CMakeLists.txt --
-- Begin FooConfig.cmake.in --
set(FOO_SOURCE_DIR @CMAKE_SOURCE_DIR@)
set(FOO_LIBNAME_DBG "@FOO_LIBNAME_DBG@")
set(FOO_LIBNAME_OPT "@FOO_LIBNAME_OPT@")
set(FOO_LIBRARIES debug @CMAKE_INSTALL_PREFIX@/lib/${FOO_LIBNAME_DBG}
optimized @CMAKE_INSTALL_PREFIX@/lib/${FOO_LIBNAME_OPT})
-- End FooConfig.cmake.in --
Adding the following lines in my CMakeLists.txt seems not the best way
to ensure compat with future versions of CMake.
if(POLICY CMP0026)
cmake_policy(SET CMP0026 OLD)
endif()
I tried also to play with add_custom_command() using
$<TARGET_PROPERTY:foo,LOCATION_Debug>
But I cand find any command that set a variable
Any idea ?
Thanks
Fabien
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