Gabriel Hondet wrote 6 years ago
(address . guix-patches@gnu.org)
875zujv07j.fsf@gmail.com
* gnu/packages/haskell.scm (ghc-c2hs): New variable.
---
gnu/packages/haskell.scm | 56 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 56 insertions(+)
Toggle diff (67 lines)
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index a3ce2a3e4..c7587af7c 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -11405,4 +11405,60 @@ from a shell. The @code{tldr} pages are a community effort to simplify the
man pages with practical examples.")
(license license:bsd-3)))
+(define-public ghc-c2hs
+ (package
+ (name "ghc-c2hs")
+ (version "0.28.6")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "https://hackage.haskell.org/package/c2hs/c2hs-"
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "1nplgxfin139x12sb656f5870rpdclrhzi8mq8pry035qld15pci"))))
+ (build-system haskell-build-system)
+ (inputs
+ `(("ghc-language-c" ,ghc-language-c)
+ ("ghc-dlist" ,ghc-dlist)))
+ (native-inputs
+ `(("ghc-test-framework" ,ghc-test-framework)
+ ("ghc-test-framework-hunit" ,ghc-test-framework-hunit)
+ ("ghc-hunit" ,ghc-hunit)
+ ("ghc-shelly" ,ghc-shelly)
+ ("ghc-text" ,ghc-text)
+ ("gcc" ,gcc)))
+ (arguments
+ `(#:tests? #f ;some tests fail because of syntax errors
+ #:phases
+ (modify-phases %standard-phases
+ (add-before 'check 'set-cc
+ ;; add a cc executable in the path, needed for some tests to pass
+ (lambda* (#:key inputs #:allow-other-keys)
+ (let ((gcc (assoc-ref inputs "gcc"))
+ (tmpbin (tmpnam))
+ (curpath (getenv "PATH")))
+ (mkdir-p tmpbin)
+ (symlink (which "gcc") (string-append tmpbin "/cc"))
+ (setenv "PATH" (string-append tmpbin ":" curpath)))
+ #t))
+ (add-after 'check 'remove-cc
+ ;; clean the tmp dir made in 'set-cc
+ (lambda _
+ (let* ((cc-path (which "cc"))
+ (cc-dir (dirname cc-path)))
+ (delete-file-recursively cc-dir)
+ #t))))))
+ (home-page "https://github.com/haskell/c2hs")
+ (synopsis
+ "C->Haskell FFI tool that gives some cross-language type safety")
+ (description "C->Haskell assists in the development of Haskell bindings to
+C libraries. It extracts interface information from C header files and
+generates Haskell code with foreign imports and marshaling. Unlike writing
+foreign imports by hand (or using hsc2hs), this ensures that C functions are
+imported with the correct Haskell types.")
+ (license license:gpl2)))
+
;;; haskell.scm ends here
--
2.20.1
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