I'm using an external toolchain for my project. What is the proper
way to include my external toolchain libc files in the sysroot?
Currently I have
TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_HOST}"
and
EXTERNAL_TOOLCHAIN_SYSROOT_CMD = "${TARGET_PREFIX}gcc
${TARGET_CC_ARCH} -print-sysroot"
EXTERNAL_TOOLCHAIN_SYSROOT ??= "${@exttc_run(d,
EXTERNAL_TOOLCHAIN_SYSROOT_CMD)}"
which resolves to
/opt/armada-sdk-5.0-64k/armv7-marvell-linux-gnueabi-softfp/arm-marvell-linux-gnueabi/libc/
I also have a recipe for my external toolchain which includes the following:
do_install() {
# Use optimized files if available
sysroot="${EXTERNAL_TOOLCHAIN_SYSROOT}"
}
The EXTERNAL_TOOLCHAIN_SYSROOT doesn't seem to have any effect. My
libc header files are not visible during compilation. It looks like I
may have to copy them to the staging dir or setup some symlinks. Is
this the right approach?
Thanks
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