Hello,
I use the ExternalProject_Add command to download and build a static library
called 'foo.a'.
I build another library 'bar' which depends on 'foo.a'.
For the moment, I use the target_link_libraries command to create a link
between foo and bar:
target_link_libraries(bar ${FOO_INSTALL_DIR}/lib/foo.a)
However, this approach is not portable, especially if I want foo to be a shared
library.
Indeed, the extension of such libraries is plateform dependent.
Therefore, I tried to replace the path to foo by its name 'foo' from the call
to the ExternalProject_Add command:
target_link_libraries(bar foo)
However, it does not work and I get the following error message:
Target "foo" of type UTILITY may not be linked into another target.
One may link only to STATIC or SHARED libraries, or to executables with the
ENABLE_EXPORTS property set.
I guess I understand that foo has the wrong type UTILITY and it would work only
if I had defined my target like this:
add_library(foo blablabla)
However, I need to use the ExternalProject_Add command.
Is there a way to create a library target name 'foo' in this case?
Thank you!
Cédric
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