Hi,
I am trying to merge together two "OBJECT" libraries.
I am following the tutorial at:
https://cmake.org/Wiki/CMake/Tutorials/Object_Library
However, in my case I have more level of folder nesting, and at the parent
level I would like to merge two "OBJECT" libraries and only at the top I want
to create the actual library.
I tried with:
add_library(common OBJECT "$<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>
$<TARGET_OBJECTS:C>")
But I get the following error:
-----------------------------------------------------------------------------------------------------
CMake Error at lib/common/CMakeLists.txt:31 (add_library):
OBJECT library "common" contains:
file1.cpp.o
file2.cpp.o
file3.cpp.o
...
but may contain only sources that compile, header files, and other files
that would not affect linking of a normal library.
CMake Error at lib/common/CMakeLists.txt:31 (add_library):
Only executables and non-OBJECT libraries may reference target objects.
What's the correct way to do this?
Thanks.
Simone
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