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| author | antoyo <antoyo@users.noreply.github.com> | 2022-10-19 18:27:22 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-19 18:27:22 -0400 |
| commit | cc5c38717da46b561a392d56ba27848533056b7b (patch) | |
| tree | a18f59788594aa6576363f664764f6cd3b7457f8 | |
| parent | 618553b9b4a5996c23285a8efc62f29a940208e6 (diff) | |
| parent | ea52df463b8d826fcc2086485ed71d3d5eb1430e (diff) | |
| download | rust-cc5c38717da46b561a392d56ba27848533056b7b.tar.gz rust-cc5c38717da46b561a392d56ba27848533056b7b.zip | |
Merge pull request #236 from GuillaumeGomez/install-doc
Improve installation documentation
| -rw-r--r-- | Readme.md | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/Readme.md b/Readme.md index cdd7f55dcde..4d776b6c7a3 100644 --- a/Readme.md +++ b/Readme.md @@ -18,21 +18,46 @@ The patches in [this repository](https://github.com/antoyo/libgccjit-patches) ne (Those patches should work when applied on master, but in case it doesn't work, they are known to work when applied on 079c23cfe079f203d5df83fea8e92a60c7d7e878.) You can also use my [fork of gcc](https://github.com/antoyo/gcc) which already includes these patches.** +To build it (most of these instructions come from [here](https://gcc.gnu.org/onlinedocs/jit/internals/index.html), so don't hesitate to take a look there if you encounter an issue): + +```bash +$ git clone https://github.com/antoyo/gcc +$ cd gcc +$ sudo apt install flex libmpfr-dev libgmp-dev libmpc3 libmpc-dev +$ ./configure \ + --enable-host-shared \ + --enable-languages=jit \ + --disable-bootstrap \ + --enable-checking=release \ + --prefix=$(pwd)/install \ + --disable-multilib +$ make -j4 # You can replace `4` with another number depending on how many cores you have. +$ cd .. +``` + **Put the path to your custom build of libgccjit in the file `gcc_path`.** ```bash -$ git clone https://github.com/rust-lang/rustc_codegen_gcc.git -$ cd rustc_codegen_gcc +$ dirname $(readlink -f `find . -name libgccjit.so`) > gcc_path +``` + +You also need to set RUST_COMPILER_RT_ROOT: + +```bash $ git clone https://github.com/llvm/llvm-project llvm --depth 1 --single-branch $ export RUST_COMPILER_RT_ROOT="$PWD/llvm/compiler-rt" -$ ./prepare_build.sh # download and patch sysroot src -$ ./build.sh --release ``` -To run the tests: +Then you can run commands like this: ```bash $ ./prepare.sh # download and patch sysroot src and install hyperfine for benchmarking +$ LIBRARY_PATH=$(cat gcc_path) LD_LIBRARY_PATH=$(cat gcc_path) ./build.sh --release +``` + +To run the tests: + +```bash $ ./test.sh --release ``` |