diff options
Diffstat (limited to 'gnu/packages')
| -rw-r--r-- | gnu/packages/patches/python-3-arm-alignment.patch | 21 | ||||
| -rw-r--r-- | gnu/packages/python.scm | 27 |
2 files changed, 41 insertions, 7 deletions
diff --git a/gnu/packages/patches/python-3-arm-alignment.patch b/gnu/packages/patches/python-3-arm-alignment.patch new file mode 100644 index 0000000000..065c1a7bb2 --- /dev/null +++ b/gnu/packages/patches/python-3-arm-alignment.patch @@ -0,0 +1,21 @@ +Ensure memory accesses in the sha3 module are aligned on ARM as it causes +problems when running 32-bit code on a 64-bit kernel. + +Patch taken from upstream bug report: +https://bugs.python.org/issue36515 + +--- a/Modules/_sha3/sha3module.c ++++ b/Modules/_sha3/sha3module.c +@@ -64,6 +64,12 @@ + #define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN + #endif + ++/* Bus error on 32-bit ARM due to un-aligned memory accesses; 64-bit ARM ++ * doesn't complain but un-aligned memory accesses are sub-optimal */ ++#if defined(__arm__) || defined(__aarch64__) ++#define NO_MISALIGNED_ACCESSES ++#endif ++ + /* mangle names */ + #define KeccakF1600_FastLoop_Absorb _PySHA3_KeccakF1600_FastLoop_Absorb + #define Keccak_HashFinal _PySHA3_Keccak_HashFinal diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm index 8e28265fbe..e9a20dc418 100644 --- a/gnu/packages/python.scm +++ b/gnu/packages/python.scm @@ -26,7 +26,7 @@ ;;; Copyright © 2016, 2017 ng0 <ng0@n0.is> ;;; Copyright © 2016 Dylan Jeffers <sapientech@sapientech@openmailbox.org> ;;; Copyright © 2016 David Craven <david@craven.ch> -;;; Copyright © 2016, 2017, 2018, 2019 Marius Bakke <mbakke@fastmail.com> +;;; Copyright © 2016, 2017, 2018, 2019, 2020 Marius Bakke <mbakke@fastmail.com> ;;; Copyright © 2016, 2017 Stefan Reichör <stefan@xsteve.at> ;;; Copyright © 2016 Dylan Jeffers <sapientech@sapientech@openmailbox.org> ;;; Copyright © 2016, 2017 Alex Vong <alexvong1995@gmail.com> @@ -92,7 +92,9 @@ #:use-module (guix download) #:use-module (guix utils) #:use-module (guix build-system gnu) - #:use-module (guix build-system trivial)) + #:use-module (guix build-system trivial) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26)) (define-public python-2.7 (package @@ -352,11 +354,22 @@ data types.") (method url-fetch) (uri (string-append "https://www.python.org/ftp/python/" version "/Python-" version ".tar.xz")) - (patches (search-patches - "python-3-fix-tests.patch" - "python-3.8-fix-tests.patch" - "python-3-deterministic-build-info.patch" - "python-3-search-paths.patch")) + (patches (append + ;; Disable unaligned accesses in the sha3 module on ARM as + ;; it causes a test failure when building 32-bit Python on a + ;; 64-bit kernel. See <https://bugs.python.org/issue36515>. + ;; TODO: Remove the conditional on the next rebuild cycle. + (let ((system (or (%current-target-system) + (%current-system)))) + (if (any (cute string-prefix? <> system) + '("arm" "aarch64")) + (list (search-patch "python-3-arm-alignment.patch")) + '())) + (search-patches + "python-3-fix-tests.patch" + "python-3.8-fix-tests.patch" + "python-3-deterministic-build-info.patch" + "python-3-search-paths.patch"))) (sha256 (base32 "1ps5v323cp5czfshqjmbsqw7nvrdpcbk06f62jbzaqik4gfffii6")) |