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为DragonOS移植了的relibc

Грана: update-dsc
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relibc
GnoCiYeH 931a8760c4 Merge branch 'dragonos-relibc' into update-dsc пре 1 година
.cargo ed19381547 target=x86_64-dragonos能通过编译 пре 1 година
.vscode fd22fbbabf 添加了pipe的系统调用 (#14) пре 1 година
core_io 9eeb73319d Update core_io submodule to a valid commit. пре 3 година
include 0646140d99 Remove detailed abort, too many compatibility issues пре 1 година
openlibm b3dda7519d Update openlibm пре 5 година
posix-regex 0684fb6e4c Bump posix-regex version пре 6 година
pthreads-emb 9c423abb5f Update pthreads-emb пре 3 година
ralloc 6c11a18240 Go back to patched ralloc пре 6 година
src 0a1b6ce239 修改了一段 sigrestorer 汇编使得 dragonos 能正常执行 sigreturn (#20) пре 1 година
tests ec6243bc5b wctrans/towctrans implementation proposal. пре 1 година
.editorconfig 6952a079ae Fix CI пре 4 година
.gitignore 4f4c6e665f 增加对mmap、munmap、mprotect的支持 (#15) пре 1 година
.gitlab-ci.yml 9a7dfc4f4d Disable test:redox for now пре 1 година
.gitmodules 089ee030a1 更换submodule远程为dragonos镜像 (#16) пре 1 година
CONTRIBUTING.md ff874c87d7 tests: Fix function signatures пре 5 година
Cargo.toml 2c0c7f7bed update dsc пре 1 година
LICENSE ba515d83df Create LICENSE пре 6 година
Makefile 5e1004a8a8 编译的时候，如果系统已经安装x86_64-dragonos-gcc，则使用x86_64-dragonos-gcc来编译 (#10) пре 1 година
README.md 39989b488c 适配dragonos пре 1 година
Xargo.toml ae34ade595 Use path to patch compiler-builtins пре 4 година
bindgen_transform.sh 799c8828c2 mkdir and rmdir пре 6 година
build.rs be35961d82 Patch support run first demo on dragonos (#6) пре 1 година
ci.sh 9f86748a58 Fix make libs in CI пре 4 година
fmt.sh bab4e2896a Format пре 6 година
init_dragonos_toolchain.sh 70e3f729c5 完善初始化工具链脚本，增加对“已存在工具链配置文件“情况的判断 (#9) пре 1 година
redoxer.sh 903393574e redoxer.sh will clear build-std from CARGOFLAGS пре 1 година
renamesyms.sh 70a8fca3c1 Use target binutils for renamesyms пре 2 година
rust-toolchain.toml 0bd476d28a Update to new Rust toolchain пре 1 година
rustfmt.toml b8c50c7c64 Format пре 5 година

README.md

relibc build

relibc is a portable POSIX C standard library written in Rust. It is under heavy development, and currently supports Redox, Linux and DragonOS.

The motivation for this project is twofold: Reduce issues the redox crew was having with newlib, and create a safer alternative to a C standard library written in C. It is mainly designed to be used under redox, as an alternative to newlib, but it also supports linux syscalls via the sc crate.

Building

Just run make all.

Build for DragonOS

You can follow the instructions to build relibc for DragonOS:

mkdir -p sysroot/usr
make -j $(nproc) && DESTDIR=sysroot/usr make install -j $(nproc)

Issues

I'm building for my own platform which I run, and am getting x86_64-linux-gnu-ar: command not found (or similar)

The Makefile expects the gnu compiler tools prefixed with the platform specifier, as would be present when you'd install a cross compiler. Since you are building for your own platform, some distros (like Manjaro) don't install/symlink the prefixed executables. An easy fix would be to replace the corresponding lines in the Makefile, e.g.

 ifeq ($(TARGET),x86_64-unknown-linux-gnu)
        export CC=x86_64-linux-gnu-gcc
-       export LD=x86_64-linux-gnu-ld
-       export AR=x86_64-linux-gnu-ar
+       export LD=ld
+       export AR=ar
        export OBJCOPY=x86_64-linux-gnu-objcopy
 endif

Contributing

Supported OSes

  • Redox OS
  • Linux
  • DragonOS

Supported architectures

  • x86_64
  • Aarch64