I am trying to build a Xilinx XDMA driver for Yocto, using their supplied makefile. When I run my recipe the build fails with the following errors:
DEBUG: Executing shell function do_compile
NOTE: make -j 32 KERNEL_SRC=./tmp/work-shared/intel-corei7-64/kernel-source
KERNEL_PATH=./tmp/work-shared/intel-corei7-64/kernel-source
KERNEL_VERSION=5.10.78-intel-pk-standard CC=x86_64-poky-linux-gcc
-fuse-ld=bfd
-fmacro-prefix-map=./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0=/usr/src/debug/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0
-fdebug-prefix-map=./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0=/usr/src/debug/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0
-fdebug-prefix-map=./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/recipe-sysroot=
-fdebug-prefix-map=./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/recipe-sysroot-native=
-fdebug-prefix-map=./tmp/work-shared/intel-corei7-64/kernel-source=/usr/src/kernel LD=x86_64-poky-linux-ld.bfd
AR=x86_64-poky-linux-ar
O=./tmp/work-shared/intel-corei7-64/kernel-build-artifacts KBUILD_EXTRA_SYMBOLS=
Makefile:17: XVC_FLAGS: .
make -C /lib/modules/5.13.0-40-generic/build
M=./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/git/linux_driver/xdma modules
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-40-generic'
make[2]: Entering directory './tmp/work-shared/intel-corei7-64/kernel-build-artifacts'
./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/git/linux_driver/xdma/Makefile:17: XVC_FLAGS: .
CC [M] ./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/git/linux_driver/xdma/libxdma.o
CC [M] ./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/git/linux_driver/xdma/xdma_cdev.o
x86_64-poky-linux-gcc: error: missing argument to '-gdwarf-'
CC [M] ./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/git/linux_driver/xdma/cdev_ctrl.o
make[3]: *** [/usr/src/linux-headers-5.13.0-40-generic/scripts/Makefile.build:281: ./tmp/work/intel_corei7_64-poky-linux/xdma-driver-mod/1.0+gitAUTOINC+8d75946900-r0/git/linux_driver/xdma/libxdma.o] Error 1
make[3]: *** Waiting for unfinished jobs....
x86_64-poky-linux-gcc: error: missing argument to '-gdwarf-'
ERROR: oe_runmake failed
WARNING: exit code 1 from a shell command.
I have no idea why this happens as it is not something I have specifically enabled. I have searched through the `module.bbclass` file but I couldn't see anything obvious. I believe that something needs to be configured such that the `-gdwarf-` actual ends up being set to a valid value (e.g. `-gdwarf-2` or `-gdwarf-4` etc.)
A grep through the poky repo for dwarf did not reveal anything neither did a search of `/usr/src/linux-headers-5.13.0-40-generic/scripts/`.
My bitbake recipe is as follows:
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://LICENSE;md5=441c1ecbc199a036abf37f3aa47c5f34"
SRC_URI += https://github.com/Xilinx/dma_ip_drivers.git;protocol=ssh;nobranch=1;branch=master"
# Modify these as desired
PV = "1.0+git${SRCPV}"
SRCREV = "8d7594690058dfa828accc02ac81348e416ffe38"
S = "${WORKDIR}/git/xdma/linux-driver/xdma"
RPROVIDES_${PN} += "xdma"
inherit module
EXTRA_OEMAKE_task-install:append = " -C ${STAGING_KERNEL_DIR} M=${S}"
EXTRA_OEMAKE += "KDIR=${STAGING_KERNEL_DIR}"
The makefile is the standard one from GitHub. The driver builds correctly for Ubuntu using `make` and I can also build the module if I change my recipe such that it does not include `inherit module`; this change will build the module (`xdma.ko`) but does to install it in the roofs. I am also not sure if `inherit module` includes additional functionality which may be rewired.
How to I either:
- prevent / disable the `-gdwarf` flag being generated
- configure the recipe that the `-gdwarf-` resolves to something valid
- View the actual command being invoked that is casing the issue.
Alternatively is there any downside to simply changing the recipe to remove the `inherit module` so `xdma.ko` is build using the standard makefile? If so how do I install `xdma.ko` to `/lib/modules/{KERNEL_VERSION}/kernel/drivers/xdma/xdma.ko`?
