On 9/22/2011 1:07 PM, Thomas Wolf wrote:
Addition:
if i try to fake the contents of the CTK use file, like
set_found true
usefile_included 1
find_package still tries to include the CTKConfig.cmake. I always thougt
if the Find-variable is set to true find_package just assumes that
everything went fine and continues (silent mode). Or is this only the
module mode of find_package?
This is a limitation of external_project. For external_project to work
all of the toplevel projects must also be external_projects. There is
not an easy cross platform way to have external_project targets be used
by non-external targets. This is not supported:
add_external_project(foo ..) # creates a library foo
find_package(foo) # find the library created by the external project foo
add_executable(bar ..)
target_link_libraries(bar foo)
It has to be like this:
add_external_project(foo ...)
add_external_project(bar ...) # inside here it does a find_package(foo)
external project defers configuration and of course build until build
time. find_package, find_library expect to find an "already built"
package.
http://www.kitware.com/products/html/BuildingExternalProjectsWithCMake2.8.html
-Bill
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