to gcc you can pass --sysroot which will bias it's internal referenced includes and libraries....
On Wed, Oct 19, 2016 at 9:57 AM, Gunter, Walter E <walter.gun...@dematic.com > wrote: > The toolchain was a great suggestion. > > > > I am still having problems, but at least I know I am using the right > toolchain: > > Currently, this is what I have for my toolchain: > > > > set(CMAKE_SYSTEM_NAME Linux) > > set(CMAKE_SYSTEM_PROCESSOR arm) > > set(TOOLCHAIN_PATH /opt/toolchains/arm-2008q3/bin/arm-none-linux-gnueabi) > > > > # where is the target environment > > set(CMAKE_FIND_ROOT_PATH /opt/toolchains/arm-2008q3/ > arm-none-linux-gnueabi) > > > > # specify the cross compiler > > set(CMAKE_CXX_COMPILER /opt/toolchains/arm-2008q3/ > bin/arm-none-linux-gnueabi-g++) > > set(CMAKE_C_COMPILER /opt/toolchains/arm-2008q3/ > bin/arm-none-linux-gnueabi-gcc) > > > > #set(CMAKE_AR /opt/toolchains/arm-2008q3/bin/arm-none-linux-gnueabi-ar) > > > > set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) > > set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) > > set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) > > set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) > > > > set(COMPILE_FLAGS "-lrt -Wall -lpthread") > > > > > > I run cmake with the reference to that toolchain file, cmake > –DCMAKE_TOOLCHAIN_FILE=cmake/toolchain.cmake > > > > I can see it finds the right toolchain and compilers. > > Now I am having some issues where it is getting conflicted between using > sys or linux headers…. > > Is this just a header issue? > > > > CMAKE question: What is the difference between the two variables? > > TOOLCHAIN_PATH > > CMAKE_FIND_ROOT_PATH > > Should they be the same reference location? > > > This is the folder structure at the /opt/toolchains/arm-2008q3/ > bin/arm-none-linux-gnueabi > > /bin > > /include > > /lib > > /libc > > > > Thoughts? > > > > Thanks! > > > > *From:* dfloge...@gmail.com [mailto:dfloge...@gmail.com] *On Behalf Of *Dave > Flogeras > *Sent:* Friday, September 16, 2016 5:43 PM > *To:* Gunter, Walter E > *Subject:* Re: [CMake] is it worth using cmake to cross-compile for > embedded arm device? > > > > I personally use cmake with multiple cross toolchains successfully. I > guess it depends on what you are trying to achieve. I prefer it because I > can use the same CMakeLists.txt to build natively on linux/mac/windows, as > well as cross-compile against an embedded arm linux. I'd also agree with > the previous discussion about using a toolchain file for your platform, it > does simplify things. > > > > On Fri, Sep 16, 2016 at 5:26 PM, Gunter, Walter E < > walter.gun...@dematic.com> wrote: > > I am having some troubles getting cmake setup and wonder if cmake is the > right tool. > > Thoughts? Suggestions? > > > > -- > > Powered by www.kitware.com > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Kitware offers various services to support the CMake community. For more > information on each offering, please visit: > > CMake Support: http://cmake.org/cmake/help/support.html > CMake Consulting: http://cmake.org/cmake/help/consulting.html > CMake Training Courses: http://cmake.org/cmake/help/training.html > > Visit other Kitware open-source projects at http://www.kitware.com/ > opensource/opensource.html > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/cmake >
-- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake