I am trying to merge a project that was using autoconf and GNUMakefiles. When
you use automake you can build static libraries in sub directories and then
link them together into one shared library in the end that was install. This is
not possible with Visual Studio. In GNU Make for the project I can see that
there are GNMakefiles in the subdirectories that build the object files where
they are linked together in the top level GNUMakefile.
In projects I have done where I have had source files in subdirectories I could
include all of them in a variable in the single CMakeLists.txt file in the top
directory. This project has 1079 C++ and C files in a variety of
subdirectories. The only way I can see to make a single shared library with
CMake is to include all the source files into a single variable in the single
CMakeLists.txt file like I do in my own projects. So to do this same technique
with this project seems unreasonable to ask these developers to adopt.
So I am wondering if I can set a single variable used across a variety of
CMakeLists.txt files? So that way in subdirectoryA I can add files to a
variable called SOURCES that I append files in from subdirectoryB. Therefore in
the top level CMakeLists.txt file I can declare:
add_library ( target ${SOURCES} )
target_link_libraries ( target ${DEPENDENCY_LIBRARIES} )
In a similar way I can include those headers I want to install in all the
subdirectories.
Stephen
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