On Mon, May 11, 2020 at 06:01:49PM +0100, Mike Lothian wrote: > Hi > > This patch has been causing issues for me since switching to GCC 10.1: > > CALL scripts/checksyscalls.sh > CALL scripts/atomic/check-atomics.sh > DESCEND objtool > CHK include/generated/compile.h > HOSTCC arch/x86/boot/tools/build > /usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: > error: linker defined: multiple definition of '_end' > /usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: > /tmp/ccEkW0jM.o: previous definition here > collect2: error: ld returned 1 exit status > make[1]: *** [scripts/Makefile.host:103: arch/x86/boot/tools/build] Error 1 > make: *** [arch/x86/Makefile:303: bzImage] Error 2 > > Cheers > > Mike
I'm not getting an error even with gcc 10 for some reason, but I can see that it is busted. It's using the linker-defined _end symbol which is just pass the end of the .bss. Does adding "static" to the declaration of _end fix your error?
