From 653b54de7b24db588a6d063beab82ae2218153e5 Mon Sep 17 00:00:00 2001
From: Maxime Devos <maximedevos@telenet.be>
Date: Fri, 3 Sep 2021 13:25:10 +0200
Subject: [PATCH] SQUASH! gobject-introspection! C extension correction!
* gnu/packages/glib.scm
(python-extension-suffix, correct-library-name-phase): New procedures.
(gobject-introspection)[arguments]<#:phases>{rename-library}: New phase.
---
gnu/packages/glib.scm | 54 ++++++++++++++++++++++++++++++++-----------
1 file changed, 41 insertions(+), 13 deletions(-)
@@ -381,6 +381,42 @@ functions for strings and common data structures.")
(string-append doc html))
#t)))))))))
+(define (python-extension-suffix python triplet)
+ "Determine the suffix for C extensions for PYTHON when compiled
+for TRIPLET."
+ ;; python uses strings like 'x86_64-linux-gnu' instead of
+ ;; 'x86_64-unknown-linux-gnu'.
+ (define normalised-system
+ (string-replace-substring triplet "-unknown-" "-"))
+ (define major.minor (version-major+minor (package-version python)))
+ (define majorminor (string-delete #\. major.minor))
+ (string-append
+ ;; If guix' python package used "--with-pydebug", a #\d would
+ ;; need to be added, likewise "--with-pymalloc" and "--with-wide-unicode"
+ ;; would require a #\m and #\u, see cpython's configure.ac.
+ ".cpython-" majorminor "-" normalised-system
+ (if (target-mingw? triplet)
+ ".dll"
+ ".so")))
+
+(define (correct-library-name-phase python name)
+ "Return a G-exp evaluating to a phase renaming the python extension NAME
+from what Meson thinks its name should be to what python expects its name
+to be. NAME must not include the platform-specific suffix. This can only
+be used when cross-compiling."
+ #~(lambda _
+ (define name #$name)
+ (define native-suffix
+ #$(python-extension-suffix python
+ (nix-system->gnu-triplet (%current-system))))
+ (define target-suffix
+ #$(python-extension-suffix python (%current-target-system)))
+ (define native-name
+ (string-append name native-suffix))
+ (define target-name
+ (string-append name target-suffix))
+ (rename-file native-name target-name)))
+
(define gobject-introspection
(package
(name "gobject-introspection")
@@ -431,19 +467,11 @@ functions for strings and common data structures.")
;; Meson gives python extensions an incorrect name, see
;; <https://github.com/mesonbuild/meson/issues/7049>.
#~((add-after 'install 'rename-library
- (lambda* (#:key build target #:allow-other-keys)
- (define dir
- (string-append #$output
- "/lib/gobject-introspection/giscanner"))
- ;; python uses strings like 'x86_64-linux-gnu', not
- ;; 'x86_64-unknown-linux-gnu'.
- (define (normalise-system system)
- ((@ (ice-9 string-fun) string-replace-substring)
- system "-unknown-" "-"))
- (define (extension system)
- (string-append dir "/_giscanner.cpython-39-"
- (normalise-system system) ".so"))
- (rename-file (extension build) (extension target)))))
+ #$(correct-library-name-phase
+ (this-package-input "python")
+ #~(string-append #$output
+ "/lib/gobject-introspection/giscanner"
+ "/_giscanner"))))
#~()))))
(native-inputs
`(("glib" ,glib "bin")
--
2.33.0