Dimitry Andric
d8ec68ea76
With clang 20 or higher lang/clisp fails to build, with errors similar to:
./lisp.run -B . -N locale -E UTF-8 -Emisc 1:1 -Epathname 1:1 -norc -m 2MW -M interpreted.mem -q -c compiler.lisp -o ./
;; Compiling file /wrkdirs/usr/ports/lang/clisp/work/clisp-c3ec11bab87cfdbeba01523ed88ac2a16b22304d/src/compiler.lisp ...
*** - LIST-INIT-START: start index 44801 too large for
(#(NIL
#S(HASH-TABLE :TEST STABLEHASH-EQ
#:WARN-IF-NEEDS-REHASH-AFTER-GC T
(#<BUILT-IN-CLASS SYMBOL> .
#<COMPILED-FUNCTION CLOS::MAKE-INSTANCE-<EMF-1>-1>)
(#<STANDARD-CLASS FUNCALLABLE-STANDARD-CLASS> .
#<SYSTEM-FUNCTION CLOS::%MAKE-INSTANCE>)
(#<STANDARD-CLASS STANDARD-CLASS> .
#<SYSTEM-FUNCTION CLOS::%MAKE-INSTANCE>)))
CLOS::COMPUTE-APPLICABLE-METHODS-EFFECTIVE-METHOD
#<STANDARD-GENERIC-FUNCTION MAKE-INSTANCE>)
0 errors, 0 warnings
*** Error code 1
The problems are caused by clisp's usage of -fwrapv, where the
developers implicitly assume this also makes pointer wrapping defined.
After https://github.com/llvm/llvm-project/commit/1295aa2e814 however,
-fwrapv no longer implies that, and you either have to add a clang
specific -fwrapv-pointer option, or use -fno-strict-overflow, which
works for both clang and gcc.
PR: 292672
Approved by: maintainer timeout (2 weeks)
MFH: 2026Q1
21 lines
671 B
Plaintext
21 lines
671 B
Plaintext
--- src/makemake.in.orig 2024-12-28 07:47:59 UTC
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+++ src/makemake.in
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@@ -1362,7 +1362,7 @@ if [ $XCC_GCC = true ] ; then
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case "$XCC_GCC_VERSION" in
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2.* | 3.[1-3]*) ;;
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*)
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- Z_XCFLAGS=$Z_XCFLAGS' -fwrapv'
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+ Z_XCFLAGS=$Z_XCFLAGS' -fwrapv -fno-strict-overflow'
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;;
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esac
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fi
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@@ -2258,7 +2258,7 @@ echol "libdir = ${LIBDIR}"
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echol "psdir = ${PSDIR}"
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echol "pdfdir = ${PDFDIR}"
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echol "libdir = ${LIBDIR}"
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-echol "lisplibdir = \$(libdir)${NEXT_}\$(TOPDIR)"
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+echol "lisplibdir = \$(libdir)${NEXT_}clisp"
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test -n "$USE_GETTEXT" && echol "localedir = ${LOCALEDIR}"
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echol "elispdir = ${ELISPDIR}"
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echol "vimdir = ${VIMDIR}"
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