ea832b44b7
* gnu/packages/patches/sbcl-fix-ppc64-build.patch: New file. * gnu/local.mk: Register it. * gnu/packages/lisp.scm (sbcl)[source]: Use it. Change-Id: If81321bc7e4075ac7ec63f7b8d623011b4b975d5
27 lines
1.2 KiB
Diff
27 lines
1.2 KiB
Diff
commit 255f3ead060129aa097b62f10d054cdc4997a431
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Author: Douglas Katzman <dougk@google.com>
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Date: Mon Jan 1 23:59:50 2024 -0500
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Fix ppc64 failure-to-build (from a few weeks ago)
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Git rev 7354472bb5 caused NIL to get a bogus widetag.
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diff --git a/make-target-2-load.lisp b/make-target-2-load.lisp
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index 6571ec27d..daef942ea 100644
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--- a/make-target-2-load.lisp
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+++ b/make-target-2-load.lisp
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@@ -339,7 +339,13 @@ Please check that all strings which were not recognizable to the compiler
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(do-all-symbols (symbol)
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- (sb-kernel:logior-header-bits symbol sb-vm::+symbol-initial-core+)
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+ ;; Don't futz with the header of static symbols.
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+ ;; Technically LOGIOR-HEADER-BITS can only be used on an OTHER-POINTER-LOWTAG
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+ ;; objects, so modifying NIL should not ever work, but it's especially wrong
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+ ;; on ppc64 where OTHER- and LIST- pointer lowtags are 10 bytes apart instead
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+ ;; of 8, so this was making a random alteration to the header.
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+ (unless (eq (heap-allocated-p symbol) :static)
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+ (sb-kernel:logior-header-bits symbol sb-vm::+symbol-initial-core+))
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;; A symbol whose INFO slot underwent any kind of manipulation
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;; such that it now has neither properties nor globaldb info,
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