* gnu/packages/haskell.scm (ghc-c2hs): New variable. --- gnu/packages/haskell.scm | 56 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) 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