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gnu: perl: Hack the replacement perl to think it is version 5.26.1.

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Fixes <https://bugs.gnu.org/31216>.

This is a followup to commits 217b8c2e06,
44b98b0002, and
35fbe194c3da264859a5addc661b9fbc2dc8ecc7.

Complications arise when grafting perl unless the version of the replacement
perl matches that of the original.  So, here we add 'perl/fixed', which is
built from the perl-5.26.2 source but hacked to believe it is version 5.26.1.

* gnu/packages/perl.scm (perl)[replacement]: Use perl/fixed, not perl-5.26.2.
(perl-5.26.2): Remove compatibility symlinks.
(perl/fixed): New variable.
This commit is contained in:
Mark H Weaver 2018-04-21 01:08:56 -04:00
parent 5618193694
commit b5178b3254
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1 changed files with 18 additions and 14 deletions
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32
gnu/packages/perl.scm
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@ -62,7 +62,7 @@ (define-public perl
(package (package
(name "perl") (name "perl")
(version "5.26.1") (version "5.26.1")
(replacement perl-5.26.2) (replacement perl/fixed)
(source (origin (source (origin
(method url-fetch) (method url-fetch)
(uri (string-append "mirror://cpan/src/5.0/perl-" (uri (string-append "mirror://cpan/src/5.0/perl-"
@ -171,22 +171,26 @@ (define-public perl-5.26.2
version ".tar.gz")) version ".tar.gz"))
(sha256 (sha256
(base32 (base32
"03gpnxx1g6hvlh0v4aqx00580h787sfywp1vlvw64q2xcbm9qbsp")))) "03gpnxx1g6hvlh0v4aqx00580h787sfywp1vlvw64q2xcbm9qbsp"))))))
;; When grafting perl, complications arise when the replacement perl has a
;; different version number than the original. So, here we create a version
;; of perl-5.26.2 that thinks it is version 5.26.1. See
;; <https://bugs.gnu.org/31210> and <https://bugs.gnu.org/31216>.
(define perl/fixed
(package
(inherit perl-5.26.2)
(version "5.26.1")
(arguments (arguments
(substitute-keyword-arguments (package-arguments perl) (substitute-keyword-arguments (package-arguments perl-5.26.2)
((#:phases phases) ((#:phases phases)
`(modify-phases ,phases `(modify-phases ,phases
;; The path to several installed components include the Perl (add-after 'unpack 'revert-perl-subversion
;; version number, and these is not rewritten by grafting. See (lambda _
;; <https://bugs.gnu.org/31210> and <https://bugs.gnu.org/31216>. (substitute* "patchlevel.h"
(add-after 'install 'install-compatibility-symlinks (("^#define PERL_SUBVERSION 2")
(lambda* (#:key outputs #:allow-other-keys) "#define PERL_SUBVERSION 1"))
(let ((out (assoc-ref outputs "out"))) #t))))))))
(symlink "perl5.26.2" (string-append out "/bin/perl5.26.1"))
(symlink "5.26.2" (string-append out "/lib/perl5/5.26.1"))
(symlink "5.26.2"
(string-append out "/lib/perl5/site_perl/5.26.1"))
#t)))))))))
(define-public perl-algorithm-c3 (define-public perl-algorithm-c3
(package (package