Hi CMake ML,
I have a small issue concerning the way generator expressions are
resolved when calling another process.
Suppose I have this
set(ALL_DEPENDENCIES_FILES)
foreach(_device IN LISTS ALL_DEVICES)
list(APPEND ALL_DEPENDENCIES_FILES $<TARGET_FILE:${_device}>)
endforeach()
that creates a list containing generator expressions for locating a
target, and then I use this list as an argument to execute process:
add_custom_command(
TARGET my_target
POST_BUILD
COMMAND ${CMAKE_COMMAND}
-DAPPFOLDER=$<TARGET_FILE_DIR:my_target>/../..
-DBOOST_FOLDER="${BOOST_LIB_PATH}"
-DQT_BIN_DIR="${QT_BIN_PATH}"
-DQML_DIR="${CMAKE_SOURCE_DIR}"
-DDEPLOY_LIB_DIR="${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
-DALL_DEPENDENCIES="${ALL_DEPENDENCIES_FILES}"
-P ${CMAKE_SOURCE_DIR}/cmake/osx_bundle.cmake)
when I trace the content of ALL_DEPENDENCIES_FILES at the location where
the add_custom_command happens, I have this:
message(STATUS "ALL_DEPENDENCIES_FILES CALL
'${ALL_DEPENDENCIES_FILES}'") gives
ALL_DEPENDENCIES_FILES CALL
'$<TARGET_FILE:mock_emotiv>;$<TARGET_FILE:eeg_lsl>'
which indicates that this is a proper list, where each element is
separated by ";".
However, inside the called script osx_bundle.cmake, I see the target
location resolved but separated with a space:
message(STATUS "ALL_DEPENDENCIES: '${ALL_DEPENDENCIES}'") gives:
ALL_DEPENDENCIES:
'/Users/raffi/Code/my_target/build_make/bin/libmock_emotiv.dylib
/Users/raffi/Code/my_target/build_make/bin/libeeg_lsl.dylib'
Why does the list loose its type when passing to the second cmake script
through 'add_custom_command' ?
Thanks!
Raffi
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