With Wind River Linux 6.0.0.10, create an RCPL 2 project. The toolchain used in the project seems to be RCPL 10 toolchain.
Install Wind River Linux 6.0.0.2 Create a project; it seems the toolchain version is: EXTERNAL_TOOLCHAIN = ".../wrlinux/layers/wr-toolchain-shim/../binary-toolchain-4.8-27" Upgrade to RCPL 10 Create a project with the --with-rcpl-version=0002 argument; the toolchain version is different: $ .../wrlinux-6/wrlinux/configure --enable-board=intel-x86-64 --enable-kernel=standard --enable-rootfs=glibc_small --enable-bootimage=cpio.gz --with-template=feature/build_libc --enable-rm-work=yes --enable-rm-oldimgs=yes --with-rcpl-version=0002 $ make ... Build Configuration: ... EXTERNAL_TOOLCHAIN = ".../wrlinux/layers/wr-toolchain-shim/../binary-toolchain-4.8-35"