On 04.06.2014 23:11, Truman Ellis wrote:
I have a top level CMakeLists.txt file which builds a library called
Camellia and several executables in subdirectories which link with
Camellia. I would like to add a third party library called XDMF as a
dependency for Camellia under Camellia/TPL/Xdmf. Luckily, XDMF is
already on a CMake build system, but when I use
add_subdirectory(TPL/Xdmf)
and then
add_library(Camellia ${LIB_SOURCES} ${HEADERS})
it builds Camellia in the build/TPL/Xdmf/bin directory rather than
build as it does without the add_subdirectory(TPL/Xdmf). Why does
adding a subdirectory change the build directory for Camellia, and how
do I fix it? Also how do I make sure Camellia is linking with Xdmf
once I get that figured out?
It shouldn't normally.
The only way I can think of is that TPL/Xdmf/CMakeLists.txt sets
CMAKE_RUNTIME_OUTPUT_DIRECTORY as a cache variable.
e.g. set(CMAKE_RUNTIME_OUTPUT_DIRECTORY
"${CMAKE_CURRENT_BINARY_DIR}/bin" CACHE PATH "docstring")
As a regular variable it wouldn't affect targets created in the parent
CMakeLists.txt
Nils
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