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5e60eec084
* nongnu/packages/wasm.scm (wasm32-wasi-libcxx): New variable. Signed-off-by: Jonathan Brielmaier <jonathan.brielmaier@web.de>
209 lines
7.8 KiB
Scheme
209 lines
7.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2022 Pierre Langlois <pierre.langlois@gmx.com>
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;;;
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;;; This file is not part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (nongnu packages wasm)
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#:use-module (guix gexp)
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#:use-module (guix packages)
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#:use-module ((guix licenses) #:prefix license:)
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#:use-module (guix utils)
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#:use-module (guix git-download)
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#:use-module (guix build-system cmake)
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#:use-module (guix build-system gnu)
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#:use-module (gnu packages llvm)
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#:use-module (gnu packages python))
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(define-public wasi-libc
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(let ((commit "ad5133410f66b93a2381db5b542aad5e0964db96")
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(revision "1"))
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(package
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(name "wasi-libc")
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(version (git-version "0.1-alpha" revision commit))
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(source (origin
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(method git-fetch)
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(uri (git-reference
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(url "https://github.com/WebAssembly/wasi-libc")
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(commit commit)
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(recursive? #t)))
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(file-name (git-file-name name version))
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(sha256
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(base32
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"146jamq2q24vxjfpcwlqj84wzc80cbpbg0ns2wimyvzbanah48j6"))))
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(build-system gnu-build-system)
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(native-inputs (list clang-13))
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(arguments
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(list #:tests? #f ;No test suite
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#:phases
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#~(modify-phases %standard-phases
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(delete 'configure)
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(add-before 'build 'set-sysroot-include
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(lambda _
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(setenv "C_INCLUDE_PATH"
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(string-append (getcwd) "/sysroot/include"))))
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(add-before 'install 'set-install-dir
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(lambda _
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(setenv "INSTALL_DIR"
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(string-append #$output "/wasm32-wasi")))))))
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(home-page "https://wasi.dev")
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(synopsis "WASI libc implementation for WebAssembly")
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(description
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"WASI Libc is a libc for WebAssembly programs built on top of WASI
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system calls. It provides a wide array of POSIX-compatible C APIs, including
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support for standard I/O, file I/O, filesystem manipulation, memory
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management, time, string, environment variables, program startup, and many
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other APIs.")
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(license (list
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;; For wasi-libc, with LLVM exceptions
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license:asl2.0
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;; For malloc.c.
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license:cc0
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;; For cloudlibc.
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license:bsd-2
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;; For wasi-libc and musl-libc.
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license:expat)))))
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(define-public wasm32-wasi-clang-runtime
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(package (inherit clang-runtime-13)
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(native-inputs
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(list clang-13
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wasi-libc))
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(inputs (list llvm-13))
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(arguments
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(list
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#:build-type "Release"
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#:tests? #f
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;; Stripping binaries breaks wasm linking, resulting in the following
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;; error: "archive has no index; run ranlib to add one".
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#:strip-binaries? #f
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#:configure-flags
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#~(list "-DCMAKE_C_COMPILER=clang"
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"-DCMAKE_C_COMPILER_TARGET=wasm32-wasi"
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(string-append
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"-DCMAKE_SYSROOT=" #$wasi-libc "/wasm32-wasi")
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(string-append
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"-DCMAKE_C_FLAGS=-I " #$wasi-libc "/wasm32-wasi/include")
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"-DCOMPILER_RT_OS_DIR=wasi"
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"-DCOMPILER_RT_BAREMETAL_BUILD=On"
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"-DCOMPILER_RT_DEFAULT_TARGET_ONLY=On"
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;; WASM only needs libclang_rt.builtins-wasm32.a from
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;; compiler-rt.
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(string-append "../compiler-rt-"
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#$(package-version clang-runtime-13)
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".src/lib/builtins"))))))
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;; FIXME: Ideally we wouldn't need to build a separate compiler because clang
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;; can support multiple targets at runtime. However Guix patches the default
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;; clang with a specific clang-runtime package. It would be good to improve
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;; upstream Guix's support for cross-compiling with clang.
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(define clang-from-llvm (@@ (gnu packages llvm) clang-from-llvm))
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(define-public wasm32-wasi-clang
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(let ((base (clang-from-llvm llvm-13 wasm32-wasi-clang-runtime
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"0zp1p6syii5iajm8v2c207s80arv00yz5ckfwimn5dng0sxiqqax")))
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(package (inherit base)
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(name "wasm32-wasi-clang")
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(inputs
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(modify-inputs (package-inputs base)
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(prepend wasi-libc)))
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(arguments
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(substitute-keyword-arguments (package-arguments base)
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((#:configure-flags flags)
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#~(list "-DCLANG_INCLUDE_TESTS=True"
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;; Use a sane default include directory.
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(string-append "-DC_INCLUDE_DIRS="
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#$wasi-libc
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"/wasm32-wasi/include")))
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((#:phases phases)
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`(modify-phases ,phases
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(delete 'symlink-cfi_ignorelist))))))))
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(define-public wasm32-wasi-libcxx
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(package
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(name "wasm32-wasi-libcxx")
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(version "13.0.0")
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(source
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(origin
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(method git-fetch)
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(uri (git-reference
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(url "https://github.com/llvm/llvm-project")
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(commit (string-append "llvmorg-" version))))
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(file-name (git-file-name name version))
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(sha256
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(base32
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"0cjl0vssi4y2g4nfr710fb6cdhxmn5r0vis15sf088zsc5zydfhw"))))
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(build-system cmake-build-system)
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(arguments
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(list
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#:configure-flags
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#~(list (string-append "-S ../source/runtimes")
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"-DLLVM_ENABLE_RUNTIMES=libcxx;libcxxabi"
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(string-append
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"-DCMAKE_SYSROOT=" #$wasi-libc "/wasm32-wasi")
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(string-append
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"-DCMAKE_INCLUDE_PATH=" #$wasi-libc "/wasm32-wasi/include")
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(string-append
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"-DCMAKE_STAGING_PREFIX=" #$output "/wasm32-wasi")
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"-DCMAKE_C_COMPILER=clang"
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"-DCMAKE_C_COMPILER_WORKS=ON"
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"-DCMAKE_CXX_COMPILER=clang++"
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"-DCMAKE_CXX_COMPILER_WORKS=ON"
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"-DCMAKE_C_COMPILER_TARGET=wasm32-wasi"
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"-DCMAKE_CXX_COMPILER_TARGET=wasm32-wasi"
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"-DLIBCXX_LIBDIR_SUFFIX=/wasm32-wasi"
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"-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
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"-DLIBCXX_ENABLE_SHARED=OFF"
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"-DLIBCXX_ENABLE_THREADS=OFF"
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"-DLIBCXX_ENABLE_FILESYSTEM=OFF"
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"-DLIBCXXABI_LIBDIR_SUFFIX=/wasm32-wasi"
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"-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
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"-DLIBCXXABI_ENABLE_SHARED=OFF"
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"-DLIBCXXABI_ENABLE_THREADS=OFF"
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"-DLIBCXXABI_ENABLE_FILESYSTEM=OFF")
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#:tests? #f
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#:phases
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#~(modify-phases %standard-phases
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(add-after 'set-paths 'adjust-CPLUS_INCLUDE_PATH
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(lambda _
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(setenv "CPLUS_INCLUDE_PATH"
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(string-append #$wasi-libc "/wasm32-wasi/include:"
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(getenv "CPLUS_INCLUDE_PATH"))))))))
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(native-inputs
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(list lld
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python
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wasm32-wasi-clang))
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(inputs
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(list wasi-libc))
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(home-page "https://libcxx.llvm.org")
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(synopsis "C++ standard library for WebAssembly")
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(description
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"This package provides an implementation of the C++ standard library for
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use with Clang, targeting C++11, C++14 and above. This package targets
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WebAssembly with WASI.")
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(license license:expat)))
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