On 8/7/24 3:22 PM, Muhammad Usama Anjum wrote: > On 5/9/24 11:16 AM, Kees Cook wrote: >> On Wed, May 08, 2024 at 07:54:13PM -0700, John Hubbard wrote: >>> Didn't we learn recently, though, that -static-pie is gcc 8.1+, while the >>> kernel's minimum gcc version is 5? >> >> Yes, that's true. If we encounter anyone trying to build the selftests >> with <8.1 I think we'll have to add a compiler version test in the >> Makefile to exclude the static pie tests. >> >> There's also the potential issue with arm64 builds that caused the >> original attempt at -static. We'll likely need an exclusion there too. >> > I'm not getting failures for arm64 instead for arm. I'm trying to find > this "rcrt1.o" file. Does anybody have any idea if this error can be > resolved by missing file or is it something arm-linux-gnueabihf > toolchain doesn't support? Do you have any idea? > > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- > arm-linux-gnueabihf-gcc -Wall -Wno-nonnull -D_GNU_SOURCE= > -Wl,-z,max-page-size=0x1000 \ > -fPIE -static-pie load_address.c -o > /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/exec/load_address.static.0x1000 > /usr/lib/gcc-cross/arm-linux-gnueabihf/12/../../../../arm-linux-gnueabihf/bin/ld: > cannot find rcrt1.o: No such file or directory > collect2: error: ld returned 1 exit status > make: *** [Makefile:39: > /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/exec/load_address.static.0x1000] > Error 1 -- BR, Muhammad Usama Anjum
