On 09/23/2018 10:09 PM, Johannes Berg wrote: > On Sun, 2018-09-23 at 22:03 +0200, Johannes Berg wrote: >> On Sun, 2018-09-23 at 16:16 +0200, Hauke Mehrtens wrote: >>> Hi, >>> >>> I tried to compile backports against kernel 4.18 and 4.19-rc4 (header >>> files from Ubuntu) and ran into this problem when it wants to link the >>> kernel: >>> >>> LD [M] >>> /home/hauke/compat-wireless/backports-4.19-rc4-1/drivers/net/wireless/realtek/rtlwifi/rtl_usb.o >>> Building modules, stage 2. >>> scripts/Makefile.lib:10: *** Recursive variable 'KBUILD_CFLAGS' >>> references itself (eventually). Stop. >> >> Hmm. I vaguely remember something like that with our driver, but can't >> find it now? I also remember trying to fix it in the upstream kernel ... > > Hmm. Well, I can't find any changes from me upstream in this area, so > either I didn't succeed or it didn't get applied. I also can't find a > public record of a patch, so I guess I didn't succeed? > > Seems simple enough though, just make cc-option := instead of = in > scripts/Kbuild.include? Or maybe not, dunno. > > johannes This works for me, will you add a patch? Hauke
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