CMake: Linking to an imported library with dependencies fails -

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i have subdirectory cmakelists.txt should compile library using make , export result imported library parent directory:

set(static_lib ${cmake_current_binary_dir}/lib/mylib.a)  add_custom_command(     working_directory ${cmake_current_source_dir}     output ${static_lib}     command make     command make install prefix=${cmake_current_binary_dir} )  add_custom_target(compile_mylib depends ${static_lib})  add_library(mylib static imported) set_property(target mylib property imported_location ${static_lib}) add_dependencies(mylib compile_mylib)

the cmakelists.txt in parent directory looks this:

add_subdirectory(deps/mylib) add_executable(mybin source.c) target_link_libraries(mybin mylib)

on osx works fine - if compile same on ubuntu seems ignore subdirectory's cmakelists , complains:

/usr/bin/ld.bfd.real: cannot find -lmylib

i'm using clang compilation.

the solution add global add_library call visible parent cmakelists.txt


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