diff options
| author | Mark H Weaver <mhw@netris.org> | 2018-01-25 14:13:57 -0500 |
|---|---|---|
| committer | Mark H Weaver <mhw@netris.org> | 2018-01-25 14:13:57 -0500 |
| commit | dbe64d1029f21ac085fa0d6dc88f8e4896016f18 (patch) | |
| tree | d24db11c7bd180c76d342caa95f427a36dbe918e | |
| parent | f888d5bb8f75d4d4d26763eb5efbff1035c90092 (diff) | |
| download | gnu-guix-dbe64d1029f21ac085fa0d6dc88f8e4896016f18.tar gnu-guix-dbe64d1029f21ac085fa0d6dc88f8e4896016f18.tar.gz | |
gnu: linux-libre: Add retpoline support on x86 [mitigates spectre].
* gnu/packages/linux.scm (make-linux-libre): On x86 systems, build
with GCC-7.
| -rw-r--r-- | gnu/packages/linux.scm | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm index 82f077668c..ee7f391b94 100644 --- a/gnu/packages/linux.scm +++ b/gnu/packages/linux.scm @@ -283,6 +283,14 @@ for ARCH and optionally VARIANT, or #f if there is no such configuration." ("bc" ,bc) ("openssl" ,openssl) ("kmod" ,kmod) + ;; On x86, build with GCC-7 for full retpoline support. + ;; FIXME: Remove this when our default compiler has retpoline support. + ,@(match (system->linux-architecture + (or (%current-target-system) (%current-system))) + ((or "x86_64" "i386") + `(("gcc" ,gcc-7))) + (_ + '())) ,@(match (and configuration-file (configuration-file (system->linux-architecture |