[Bug target/66491] x86_64 target cross-compiler generates stack protector code unsuitable for the Linux kernel if the compiler wasn't built against a C library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66491 --- Comment #3 from Andrew Pinski --- This is how I build my gcc that is not building against a libc: # glibc will provide ssp as it is new enough gcc_cv_libc_provides_ssp=yes ${PMAKE} configure-gcc || return 1 This is after doing configure

[Bug target/66491] x86_64 target cross-compiler generates stack protector code unsuitable for the Linux kernel if the compiler wasn't built against a C library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66491 --- Comment #1 from dhowells at redhat dot com dhowells at redhat dot com --- Configured with: CXXFLAGS=' -O2 -g -Wformat-security -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -mtune=generic ' \ CFLAGS_FOR_TARGET='-g

[Bug target/66491] x86_64 target cross-compiler generates stack protector code unsuitable for the Linux kernel if the compiler wasn't built against a C library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66491 --- Comment #2 from dhowells at redhat dot com dhowells at redhat dot com --- Possibly -mcmodel=kernel shouldn't be overloaded, but -fstack-protector should be - perhaps to have a -fstack-protector-gs option or similar.