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-rw-r--r--zig.scm76
1 files changed, 76 insertions, 0 deletions
diff --git a/zig.scm b/zig.scm
index b41b7d2..c2a8714 100644
--- a/zig.scm
+++ b/zig.scm
@@ -85,3 +85,79 @@ toolchain. Among other features it provides
@end itemize")
(home-page "https://github.com/ziglang/zig")
(license license:expat)))
+
+
+(define-public zig-master
+ (package
+ (name "zig")
+ (version "master")
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/ziglang/zig.git")
+ (commit version)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32 "0i4sd6888xxbzz5f45sxnlys9fvhkcir829jzlr3dijkdn6c74fy"))
+ (patches (search-patches "zig-do-not-link-against-librt.patch"))))
+ (build-system cmake-build-system)
+ (arguments
+ `(#:configure-flags
+ (list ,@(if (%current-target-system)
+ '(string-append "-DZIG_TARGET_TRIPLE="
+ (%current-target-system))
+ '())
+ (string-append "-DZIG_TARGET_MCPU=baseline")
+ "-DZIG_SHARED_LLVM=ON"
+ (string-append "-DZIG_LIB_DIR=" (assoc-ref %outputs "out")
+ "/lib/zig"))
+ #:validate-runpath? #f ; TODO: zig binary can't find ld-linux.
+ #:out-of-source? #f ; for tests
+ #:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'set-env-variables
+ (lambda* (#:key inputs native-inputs #:allow-other-keys)
+ ;; Set CC, since the stage 2 zig relies on it to find the libc
+ ;; installation, and otherwise silently links against its own.
+ (setenv "CC" ,(cc-for-target))
+ ;; Set cache dir, otherwise Zig looks for `$HOME/.cache'.
+ (setenv "ZIG_GLOBAL_CACHE_DIR"
+ (string-append (getcwd) "/zig-cache"))))
+ (add-after 'patch-source-shebangs 'patch-more-shebangs
+ (lambda* (#:key inputs #:allow-other-keys)
+ ;; Zig uses information about /usr/bin/env to determine the
+ ;; version of glibc and other data.
+ (substitute* "lib/std/zig/system/NativeTargetInfo.zig"
+ (("/usr/bin/env") (search-input-file inputs "/bin/env")))))
+ (delete 'check)
+ (add-after 'install 'check
+ (lambda* (#:key outputs tests? #:allow-other-keys)
+ (when tests?
+ (invoke (string-append (assoc-ref outputs "out") "/bin/zig")
+ "build" "test"
+ ;; We're not testing the compiler bootstrap chain.
+ ;; Non-native tests try to link and execute non-native
+ ;; binaries.
+ "-Dskip-non-native")))))))
+ (inputs
+ (list clang-17 ; Clang propagates llvm.
+ lld-17
+ zlib
+ (list zstd "lib")))
+ ;; Zig compiles fine with GCC, but also needs native LLVM libraries.
+ (native-inputs
+ (list llvm-17))
+ (synopsis "General purpose programming language and toolchain")
+ (description "Zig is a general-purpose programming language and
+toolchain. Among other features it provides
+@itemize
+@item an Optional type instead of null pointers,
+@item manual memory management,
+@item generic data structures and functions,
+@item compile-time reflection and compile-time code execution,
+@item integration with C using zig as a C compiler, and
+@item concurrency via async functions.
+@end itemize")
+ (home-page "https://github.com/ziglang/zig")
+ (license license:expat)))