I have a build that needs to cross-compile. The directory structure
looks something like this:
/src
/lib
|
-- linux
|
-- libFoo.so
|
-- embedded
|
-- libFoo.so
libFoo.so under embedded was cross-compiled, and I have a Toolchain
file to cross-compile my project's source and I want to link with the
correct libFoo.so depending on what build I'm doing.
For standard linux build, I am pulling in libFoo.so like this:
find_library(FOO_LIB Foo ${PROJECT_SOURCE_DIR}/../lib/linux)
This works fine. I setup some alternative logic like this:
if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
if (${CMAKE_CROSSCOMPILING})
find_library(FOO_LIB Foo ${PROJECT_SOURCE_DIR}/../lib/embedded)
else()
find_library(FOO_LIB Foo ${PROJECT_SOURCE_DIR/../lib/linux)
endif()
endif()
Unfortunately, this does not work. The If/Else logic works --
verified by putting message("") statements in there. If I'm
cross-compiling I do navigate and try to set FOO_LIB from the embedded
directory, but unfortunately, it seems to still fail with:
CMake Error: The following variables are used in this project, but
they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the
CMake files:
FOO_LIB
It seems like find_library maybe does not set the library if it is a
different architecture? What is the recommended way to do this?
--
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