Philip Lowman wrote:
On Tue, Feb 10, 2009 at 1:01 PM, Brad King <brad.k...@kitware.com
CMake 2.6 makes it easy to export targets from one project (either its
build tree or install tree) for use by another project.
Is this the easiest way to register dependencies of IMPORTED static
libraries against each other? I'm just curious if there are plans to
make target_link_libraries() work for this or is there a technical
problem allowing it?
I do not plan to allow target_link_libraries for this. One must use
IMPORTED_LINK_INTERFACE_LIBRARIES. However, it is easier than your
example makes it because the property can name other imported targets:
add_library(baz STATIC IMPORTED)
set_target_properties(baz PROPERTIES
IMPORTED_LOCATION_RELEASE ${CMAKE_CURRENT_SOURCE_DIR}/libbaz.a
IMPORTED_LOCATION_DEBUG ${CMAKE_CURRENT_SOURCE_DIR}/libbazd.a)
add_library(bar STATIC IMPORTED)
set_target_properties(bar PROPERTIES
IMPORTED_LOCATION_RELEASE ${CMAKE_CURRENT_SOURCE_DIR}/libbar.a
IMPORTED_LOCATION_DEBUG ${CMAKE_CURRENT_SOURCE_DIR}/libbard.a
IMPORTED_LINK_INTERFACE_LIBRARIES baz) # <-- dependency is here
Note if the outside project is also created by CMake, the install(EXPORT)
feature can generate the proper import code for it.
-Brad
project(Foo)
cmake_minimum_required(VERSION 2.6)
add_library(baz STATIC IMPORTED)
set_target_properties(baz PROPERTIES
IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/libbaz.a
IMPORTED_LOCATION_RELEASE ${CMAKE_CURRENT_SOURCE_DIR}/libbaz.a
IMPORTED_LOCATION_DEBUG ${CMAKE_CURRENT_SOURCE_DIR}/libbazd.a)
add_library(bar STATIC IMPORTED)
set_target_properties(bar PROPERTIES
IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/libbar.a
IMPORTED_LOCATION_RELEASE ${CMAKE_CURRENT_SOURCE_DIR}/libbar.a
IMPORTED_LOCATION_DEBUG ${CMAKE_CURRENT_SOURCE_DIR}/libbard.a)
#target_link_libraries(bar baz) # no worky
get_target_property(baz_loc baz IMPORTED_LOCATION)
get_target_property(baz_loc_rel baz IMPORTED_LOCATION_RELEASE)
get_target_property(baz_loc_deb baz IMPORTED_LOCATION_DEBUG)
set_target_properties(bar PROPERTIES
IMPORTED_LINK_INTERFACE_LIBRARIES ${baz_loc}
IMPORTED_LINK_INTERFACE_LIBRARIES_RELEASE ${baz_loc_rel}
IMPORTED_LINK_INTERFACE_LIBRARIES_DEBUG ${baz_loc_deb})
add_executable(foo foo.cc)
target_link_libraries(foo bar) # dependency on baz is implied
--
Philip Lowman
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