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gnu: wordnet: Make sure the self-reference is visible to the GC.

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Before that, "guix gc --references $(guix build wordnet)" would not show
WordNet itself, erroneously so.

* gnu/packages/wordnet.scm (wordnet)[arguments]: Add -fno-builtin-strcpy
  to #:configure-flags.
This commit is contained in:
Ludovic Courtès 2016-10-05 18:34:39 +02:00
parent 939f87438c
commit 9d50da7060
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1 changed files with 16 additions and 1 deletions
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17
gnu/packages/wordnet.scm
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@ -51,7 +51,22 @@
;; Provide the `result' field in `Tcl_Interp'.
;; See <https://bugs.gentoo.org/show_bug.cgi?id=452034>.
"CFLAGS=-DUSE_INTERP_RESULT -O2")
;;
;; The 'DEFAULTPATH' string literal, which
;; contains the output path, only appears as
;; the operand of one 'strcpy' call. As a
;; consequence, GCC does not store the string
;; literal as is but instead introduces "gaps"
;; for alignment reasons presumably---like
;; "/gnu/sto?????re/8jp8b??????ky105…". This
;; makes this string invisible to the GC, which
;; in turns causes problems when running a
;; grafted WordNet because that grafted WordNet
;; keeps referring to the ungrafted variant,
;; which is not protected from GC. Thus,
;; disable use of '__builtin_strcpy' to avoid
;; that.
"CFLAGS=-DUSE_INTERP_RESULT -O2 -fno-builtin-strcpy")
#:phases
(modify-phases %standard-phases
(add-after 'install 'post-install