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Diffstat (limited to 'nongnu/packages/wasm.scm')
| -rw-r--r-- | nongnu/packages/wasm.scm | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/nongnu/packages/wasm.scm b/nongnu/packages/wasm.scm new file mode 100644 index 0000000..fa236d1 --- /dev/null +++ b/nongnu/packages/wasm.scm @@ -0,0 +1,250 @@ +;;; SPDX-License-Identifier: GPL-3.0-or-later +;;; Copyright © 2022-2023 Pierre Langlois <pierre.langlois@gmx.com> + +(define-module (nongnu packages wasm) + #:use-module (guix base32) + #:use-module (guix gexp) + #:use-module (guix packages) + #:use-module ((guix licenses) #:prefix license:) + #:use-module (guix utils) + #:use-module (guix git-download) + #:use-module (guix build-system cmake) + #:use-module (guix build-system gnu) + #:use-module (guix build-system trivial) + #:use-module (gnu packages bash) + #:use-module (gnu packages llvm) + #:use-module (gnu packages python)) + +(define-public wasi-libc + (package + (name "wasi-libc") + (version "sdk-19") + (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 + "0bnpz8wk9wiic938296gxp4vz820bvpi1w41jksjzz5552hql169")))) + (build-system gnu-build-system) + (native-inputs (list clang-15)) + (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 #$output "/wasm32-wasi"))))))) + (home-page "https://wasi.dev") + (synopsis "WASI libc implementation for WebAssembly") + (description + "WASI Libc is a libc for WebAssembly programs built on top of WASI +system calls. It provides a wide array of POSIX-compatible C APIs, including +support for standard I/O, file I/O, filesystem manipulation, memory +management, time, string, environment variables, program startup, and many +other APIs.") + (license (list + ;; For wasi-libc, with LLVM exceptions + license:asl2.0 + ;; For malloc.c. + license:cc0 + ;; For cloudlibc. + license:bsd-2 + ;; For wasi-libc and musl-libc. + license:expat)))) + +(define-public wasm32-wasi-clang-runtime + (package (inherit clang-runtime-15) + (native-inputs + (list clang-15 + wasi-libc)) + (inputs (list llvm-15)) + (arguments + (list + #:build-type "Release" + #:tests? #f + ;; Stripping binaries breaks wasm linking, resulting in the following + ;; error: "archive has no index; run ranlib to add one". + #:strip-binaries? #f + #:configure-flags + #~(list "-DCMAKE_C_COMPILER=clang" + "-DCMAKE_C_COMPILER_TARGET=wasm32-wasi" + (string-append + "-DCMAKE_SYSROOT=" #$wasi-libc "/wasm32-wasi") + (string-append + "-DCMAKE_C_FLAGS=-I " #$wasi-libc "/wasm32-wasi/include") + + "-DCOMPILER_RT_OS_DIR=wasi" + + "-DCOMPILER_RT_BAREMETAL_BUILD=On" + "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=On" + + ;; WASM only needs libclang_rt.builtins-wasm32.a from + ;; compiler-rt. + "../source/compiler-rt/lib/builtins"))))) + +;; FIXME: Ideally we wouldn't need to build a separate compiler because clang +;; can support multiple targets at runtime. However Guix patches the default +;; clang with a specific clang-runtime package. It would be good to improve +;; upstream Guix's support for cross-compiling with clang. + +(define clang-from-llvm (@@ (gnu packages llvm) clang-from-llvm)) +(define llvm-monorepo (@@ (gnu packages llvm) llvm-monorepo)) + +(define-public wasm32-wasi-clang + (let ((base (clang-from-llvm llvm-15 wasm32-wasi-clang-runtime))) + (package (inherit base) + (name "wasm32-wasi-clang") + (inputs + (modify-inputs (package-inputs base) + (prepend wasi-libc))) + (arguments + (substitute-keyword-arguments (package-arguments base) + ((#:configure-flags flags) + #~(list "-DCLANG_INCLUDE_TESTS=True" + ;; Use a sane default include directory. + (string-append "-DC_INCLUDE_DIRS=" + #$wasi-libc + "/wasm32-wasi/include"))) + ((#:phases phases) + `(modify-phases ,phases + (delete 'symlink-cfi_ignorelist)))))))) + +(define-public wasm32-wasi-libcxx + (package + (name "wasm32-wasi-libcxx") + (version (package-version llvm-15)) + (source (llvm-monorepo version)) + (build-system cmake-build-system) + (arguments + (list + #:configure-flags + #~(list (string-append "-S ../source/runtimes") + + "-DLLVM_ENABLE_RUNTIMES=libcxx;libcxxabi" + + (string-append + "-DCMAKE_SYSROOT=" #$wasi-libc "/wasm32-wasi") + + (string-append + "-DCMAKE_INCLUDE_PATH=" #$wasi-libc "/wasm32-wasi/include") + + (string-append + "-DCMAKE_STAGING_PREFIX=" #$output "/wasm32-wasi") + + "-DCMAKE_C_COMPILER=clang" + "-DCMAKE_C_COMPILER_WORKS=ON" + "-DCMAKE_CXX_COMPILER=clang++" + "-DCMAKE_CXX_COMPILER_WORKS=ON" + "-DCMAKE_C_COMPILER_TARGET=wasm32-wasi" + "-DCMAKE_CXX_COMPILER_TARGET=wasm32-wasi" + + "-DLIBCXX_LIBDIR_SUFFIX=/wasm32-wasi" + + "-DLIBCXX_ENABLE_EXCEPTIONS=OFF" + "-DLIBCXX_ENABLE_SHARED=OFF" + "-DLIBCXX_ENABLE_THREADS=OFF" + "-DLIBCXX_ENABLE_FILESYSTEM=OFF" + + "-DLIBCXXABI_LIBDIR_SUFFIX=/wasm32-wasi" + + "-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF" + "-DLIBCXXABI_ENABLE_SHARED=OFF" + "-DLIBCXXABI_ENABLE_THREADS=OFF" + "-DLIBCXXABI_ENABLE_FILESYSTEM=OFF") + #:tests? #f + #:phases + #~(modify-phases %standard-phases + (add-after 'set-paths 'adjust-CPLUS_INCLUDE_PATH + (lambda _ + (setenv "CPLUS_INCLUDE_PATH" + (string-append #$wasi-libc "/wasm32-wasi/include:" + (getenv "CPLUS_INCLUDE_PATH")))))))) + (native-inputs + (list lld + python + wasm32-wasi-clang)) + (inputs + (list wasi-libc)) + (home-page "https://libcxx.llvm.org") + (synopsis "C++ standard library for WebAssembly") + (description + "This package provides an implementation of the C++ standard library for +use with Clang, targeting C++11, C++14 and above. This package targets +WebAssembly with WASI.") + (license license:expat))) + +(define-public wasm32-wasi-clang-toolchain + (package + (name "wasm32-wasi-clang-toolchain") + (version (package-version wasm32-wasi-clang)) + (source #f) + (build-system trivial-build-system) + (arguments + (list + #:builder + (with-imported-modules '((guix build union) + (guix build utils)) + #~(begin + (use-modules (guix build union) + (guix build utils)) + (union-build #$output + (list #$wasm32-wasi-clang-runtime + #$wasi-libc + #$wasm32-wasi-libcxx)) + (mkdir-p (string-append #$output "/bin")) + + ;; We provide clang and clang++ via a wrapped program that sets + ;; include paths correctly so that it does not include paths from + ;; the host. + + ;; FIXME: Review how we can provide better support for + ;; cross-compiling with clang in Guix, maybe adding support for + ;; the CROSS_C_INCLUDE_PATH and CROSS_CPLUS_INCLUDE_PATH + ;; environment variables like GCC. + + (for-each + (lambda (bin) + (symlink (string-append #$wasm32-wasi-clang bin) + (string-append #$output bin)) + (wrap-program (string-append #$output bin) + #:sh (string-append #$bash-minimal "/bin/bash") + `("C_INCLUDE_PATH" ":" = + (,(string-append #$output "/wasm32-wasi/include"))) + `("CPLUS_INCLUDE_PATH" ":" = + ;; Make sure inclure/c++/v1 comes first for #include_next + ;; to work. + (,(string-append #$output "/wasm32-wasi/include/c++/v1") + ,(string-append #$output "/wasm32-wasi/include"))))) + '("/bin/clang" "/bin/clang++")) + + (symlink (string-append #$lld "/bin/wasm-ld") + (string-append #$output "/bin/wasm-ld")))))) + (inputs + (list bash-minimal + lld + wasi-libc + wasm32-wasi-clang + wasm32-wasi-clang-runtime + wasm32-wasi-libcxx)) + (license (cons + (package-license wasm32-wasi-clang) + (package-license wasi-libc))) + (home-page "https://clang.llvm.org") + (synopsis "Complete Clang toolchain for C/C++ development, for WebAssembly.") + (description "This package provides a complete Clang toolchain for C/C++ +development targeting WebAssembly with WASI. This includes Clang, as well as +libc, libc++ and wasm-ld."))) |