Sorry, spoke too soon. Doesn't seem to work from a clean build now. On 2020-11-13 9:53 a.m., Scott Branden wrote: > Thanks, works for me building external kernel modules. > > On 2020-11-12 10:32 p.m., Bruce Ashfield wrote: >> From: Bruce Ashfield <[email protected]> >> >> The upstream commit 596b0474d3d [kbuild: preprocess module linker >> script], adds a dependency on module.lds for external module >> building. >> >> Since module.lds is generated as part of 'modules_prepare', we >> must make it available with the other kernel artifacts in the >> kernel shared workdir, otherwise out of tree builds fail. >> >> This fixes errors like: >> >> | make[4]: *** No rule to make target 'scripts/module.lds', needed by >> >> 'build/tmp/work/qemuarm64-poky-linux/cryptodev-module/1.11-r0/git/cryptodev.ko'. >> Stop. >> | make[4]: *** Waiting for unfinished jobs.... >> >> We also ensure that kernel-devsrc has a copy to support on >> target module builds that are often prepared with 'make scripts >> prepare'. Those targets won't regenerate it, so the build fails. >> If 'make modules_prepare' is used, the file will be regenerated >> and overwrite our copy (as expected). >> >> Signed-off-by: Pan, Kris <[email protected]> >> Signed-off-by: Lili Li <[email protected]> >> Signed-off-by: Bruce Ashfield <[email protected]> > Tested-by: Scott Branden <[email protected]> >> --- >> meta/classes/kernel.bbclass | 1 + >> meta/recipes-kernel/linux/kernel-devsrc.bb | 6 ++++++ >> 2 files changed, 7 insertions(+) >> >> diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass >> index be93a258f6..ccd74e61e8 100644 >> --- a/meta/classes/kernel.bbclass >> +++ b/meta/classes/kernel.bbclass >> @@ -494,6 +494,7 @@ do_shared_workdir () { >> # Copy files required for module builds >> cp System.map $kerneldir/System.map-${KERNEL_VERSION} >> [ -e Module.symvers ] && cp Module.symvers $kerneldir/ >> + [ -e scripts/module.lds ] && install -Dm 0644 scripts/module.lds >> $kerneldir/scripts/module.lds >> cp .config $kerneldir/ >> mkdir -p $kerneldir/include/config >> cp include/config/kernel.release >> $kerneldir/include/config/kernel.release >> diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb >> b/meta/recipes-kernel/linux/kernel-devsrc.bb >> index 81b1e36041..5f0dedbdf7 100644 >> --- a/meta/recipes-kernel/linux/kernel-devsrc.bb >> +++ b/meta/recipes-kernel/linux/kernel-devsrc.bb >> @@ -100,6 +100,12 @@ do_install() { >> # be dealt with. >> # cp -a scripts $kerneldir/build >> >> + # although module.lds can be regenerated on target via 'make >> modules_prepare' >> + # there are several places where 'makes scripts prepare' is done, and >> that won't >> + # regenerate the file. So we copy it onto the target as a migration to >> using >> + # modules_prepare >> + cp -a --parents scripts/module.lds $kerneldir/build/ 2>/dev/null || : >> + >> if [ -d arch/${ARCH}/scripts ]; then >> cp -a arch/${ARCH}/scripts $kerneldir/build/arch/${ARCH} >> fi >> >> >> >
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