Subject: [PATCH 1/4] gnu: Add wasi-libc.

From: Ian Eure <[email-masked]>
Date: Tue, 8 Apr 2025 12:58:26 -0700

* gnu/packages/wasm.scm (wasi-libc): New variable.

Change-Id: I1aefc4573424e19119d225904b5461b1bea0221e
---
 gnu/packages/wasm.scm | 78 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 gnu/packages/wasm.scm

diff --git a/gnu/packages/wasm.scm b/gnu/packages/wasm.scm
new file mode 100644
index 0000000000..060e1e420f
--- /dev/null
+++ b/gnu/packages/wasm.scm
@@ -0,0 +1,78 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022-2023 Pierre Langlois <[email-masked]>
+;;; Copyright © 2023, 2024, 2025 Ian Eure <[email-masked]>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages wasm)
+  #:use-module (gnu packages llvm)
+  #:use-module (guix base32)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix gexp)
+  #:use-module (guix git-download)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages))
+
+(define-public wasi-libc
+  (package
+    (name "wasi-libc")
+    (version "sdk-20")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/WebAssembly/wasi-libc")
+                    (commit (string-append "wasi-" version))
+                    (recursive? #t)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0knm5ch499dksmv1k0kh7356pjd9n1gjn0p3vp9bw57mn478zp8z"))))
+    (build-system gnu-build-system)
+    (native-inputs (list clang-16))
+    (arguments
+     (list #:tests? #f ;No test suite
+           ;; Firefox uses wasm2c to compile WebAssembly to C code, and it
+           ;; does not support the memory.copy opcode.
+           ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1773200#c4
+           #:make-flags ''("BULK_MEMORY_SOURCES=")
+           #:phases
+           #~(modify-phases %standard-phases
+               (delete 'configure)
+               (add-before 'build 'set-sysroot-include
+                 (lambda _
+                   (setenv "C_INCLUDE_PATH"
+                           (string-append (getcwd) "/sysroot/include"))))
+               (add-before 'install 'set-install-dir
+                 (lambda _
+                   (setenv "INSTALL_DIR"
+                           (string-append #$output "/wasm32-wasi")))))))
+    (home-page "https://wasi.dev")
+    (synopsis "WASI libc implementation for WebAssembly")
+    (description
+     "WASI Libc is a libc for WebAssembly programs built on top of WASI
+system calls.  It provides a wide array of POSIX-compatible C APIs, including
+support for standard I/O, file I/O, filesystem manipulation, memory
+management, time, string, environment variables, program startup, and many
+other APIs.")
+    (license (list
+              ;; For wasi-libc, with LLVM exceptions
+              license:asl2.0
+              ;; For malloc.c.
+              license:cc0
+              ;; For cloudlibc.
+              license:bsd-2
+              ;; For wasi-libc and musl-libc.
+              license:expat))))
-- 
2.49.0