Hi,
I have set up a toolchain file [1] to enable cross-compiling a project. In
my current setup, both the host and target environments are
binary-compatible (both are x86 and are using gcc's with compatible ABIs).
When I generate a cross-compiled executable and run ldd, the paths to
libraries such as libc, libc++, and m show up rooted at /lib. I was
expecting something more in the line of ${CMAKE_FIND_ROOT_PATH}/lib.
Conversely, the external dependencies I explicitly added using
find_libraries appear rooted at ${CMAKE_FIND_ROOT_PATH}, which is what I
expected.
Is this behavior correct, or did I misunderstood something along the way?
In case it helps, my toolchain file looks something like this:
# Target system label
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR i586)
# Specify the cross compiler
set(CMAKE_C_COMPILER /path/to/i586-unknown-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER /path/to/ii586-unknown-linux-gnu-g++)
# Target environment location
set(CMAKE_FIND_ROOT_PATH /my/root/path)
# Search for programs in the build host directories
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# Search for libraries and headers in the target directories
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
Cheers,
--
Adolfo Rodríguez Tsouroukdissian
Robotics engineer
PAL ROBOTICS S.L
http://www.pal-robotics.com
Tel. +34.93.414.53.47
Fax.+34.93.209.11.09
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