Systemtap on NixOS generates [Makefiles](https://hastebin.com/nejijihege.mk#L124) adding -I"/absolute/path" to EXTRA_CPATH. This works fine, when used with an in-tree kernel build. In NixOS we save space on the kernel-dev package, by making [modules_prepare in a O=oot build and delivering oot](https://github.com/NixOS/nixpkgs/blob/bb8ded9a78b61f2a23b2e4a0e516533ae0c0d1d4/pkgs/os-specific/linux/kernel/manual-config.nix#L151) Up to at least 4.4, that -I"/quoted/absolute/stap-include" works with O=oot. Starting with at most 4.9.2, that flag gets mangled into -I/absolute/oot"/quoted/absolute/stap-include". Attached is a script, that demonstrates this issue, could somebody with a repository clone bisect this for me, please? best regards
Attachment:
test-quoted-kbuild-makefile.sh
Description: Bourne shell script
