guix_mirror_bot pushed a commit to branch master
in repository guix.
commit 6e6809ff61de72dac5d5ad33d976c19a5c9ef75a
Author: Roman Scherer <[email protected]>
AuthorDate: Thu Jan 1 17:19:44 2026 +0100
gnu: Add wasi-compiler-rt.
* gnu/packages/web.scm (wasi-compiler-rt): New variable.
Change-Id: I047d1a70e0ba8fba41059cc1948408e0fd3c5077
Signed-off-by: Sharlatan Hellseher <[email protected]>
---
gnu/packages/web.scm | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 89 insertions(+)
diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 11fd2b03f4..2f269232f9 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -2067,6 +2067,95 @@ These tools are intended for use in (or for development
of) toolchains or
other systems that want to manipulate WebAssembly files.")
(license license:asl2.0)))
+(define-public wasi-compiler-rt
+ (package
+ (name "wasi-compiler-rt")
+ (version "21.1.8")
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/llvm/llvm-project";)
+ (commit (string-append "llvmorg-" version))))
+ (file-name (string-append "llvm-project-" version "-checkout"))
+ (sha256
+ (base32 "0v99a90546lrd3cxgam32c0jcnwzi0ljk0ihdvd9xghzss1pq1x6"))
+ (patches (search-patches "clang-18.0-libc-search-path.patch"
+ "clang-17.0-link-dsymutil-latomic.patch"))))
+ (build-system cmake-build-system)
+ (arguments
+ (list
+ #:tests? #f ;requires WASM runtime to run tests
+ #:build-type "Release"
+ #:configure-flags
+ #~(list (string-append "-DCMAKE_INSTALL_PREFIX=" #$output)
+ "-DCMAKE_C_COMPILER_WORKS=ON"
+ "-DCMAKE_CXX_COMPILER_WORKS=ON"
+ "-DCOMPILER_RT_BAREMETAL_BUILD=ON"
+ ;; Use the normalized target triple so clang finds the builtins
+ ;; at lib/<target>/libclang_rt.builtins.a
+ "-DCOMPILER_RT_OS_DIR=wasm32-unknown-wasi"
+ "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
+ "-DCOMPILER_RT_INCLUDE_TESTS=OFF"
+ "-DCOMPILER_RT_HAS_FPIC_FLAG=OFF"
+ (string-append "-DCMAKE_SYSROOT="
+ #$(this-package-input "wasi-libc")
+ "/share/wasi-sysroot")
+ (string-append "-DCMAKE_C_FLAGS=-fno-exceptions
--target=wasm32-wasi "
+ "-isystem "
+ #$(this-package-input "wasi-libc")
+ "/share/wasi-sysroot/include/wasm32-wasi")
+ (string-append "-DCMAKE_C_COMPILER="
+ #$(this-package-native-input "clang")
+ "/bin/clang")
+ (string-append "-DCMAKE_CXX_COMPILER="
+ #$(this-package-native-input "clang")
+ "/bin/clang++")
+ (string-append "-DCMAKE_AR="
+ #$(this-package-native-input "llvm")
+ "/bin/llvm-ar")
+ (string-append "-DCMAKE_RANLIB="
+ #$(this-package-native-input "llvm")
+ "/bin/llvm-ranlib")
+ "-DCMAKE_SYSTEM_NAME=WASI"
+ "-DCMAKE_SYSTEM_PROCESSOR=wasm32"
+ "-DCMAKE_C_COMPILER_TARGET=wasm32-wasi"
+ "-DCMAKE_CXX_COMPILER_TARGET=wasm32-wasi"
+ "-DCMAKE_ASM_COMPILER_TARGET=wasm32-wasi")
+ #:phases
+ #~(modify-phases %standard-phases
+ (add-after 'unpack 'change-directory
+ (lambda _
+ ;; Build only the builtins library from compiler-rt
+ (chdir "compiler-rt/lib/builtins")))
+ (add-after 'install 'create-target-symlinks
+ (lambda _
+ ;; Create symlinks for wasip1 and wasip2 targets
+ (let* ((lib-dir (string-append #$output "/lib"))
+ (wasi-dir (string-append lib-dir "/wasm32-unknown-wasi")))
+ (symlink "wasm32-unknown-wasi"
+ (string-append lib-dir "/wasm32-unknown-wasip1"))
+ (symlink "wasm32-unknown-wasi"
+ (string-append lib-dir "/wasm32-unknown-wasip2"))
+ ;; Clang looks for libclang_rt.builtins.a but we have
+ ;; libclang_rt.builtins-wasm32.a, so create a symlink
+ (symlink "libclang_rt.builtins-wasm32.a"
+ (string-append wasi-dir
"/libclang_rt.builtins.a"))))))))
+ (native-inputs
+ (list clang-21
+ llvm-21
+ lld-21))
+ (inputs
+ (list wasi-libc))
+ (home-page "https://compiler-rt.llvm.org";)
+ (synopsis "LLVM compiler runtime builtins for WASI")
+ (description
+ "This package provides the LLVM compiler runtime builtins library for the
+WebAssembly System Interface (WASI) target. It includes software
+implementations of arithmetic operations that are not directly supported by
+the WebAssembly instruction set.")
+ (license license:asl2.0))) ;with LLVM exceptions
+
(define-public wasi-libc
(package
(name "wasi-libc")
