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compile_commands.json: add clang.excludeArgs for Linux

Fangrui Song 2018-11-02 15:36:41 -07:00
parent 9ac6805e01
commit 5ad3013b60
2 changed files with 17 additions and 0 deletions
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9
Getting-started.md

@ -99,6 +99,15 @@ If your project is compiled with MSVC, you may change the compiler driver (`%cla
See https://clang.llvm.org/docs/MSVCCompatibility.html
### Standalone mode
ccls indexer can be used standalone. The following command indexes the project and creates `~/llvm/.ccls-cache/`.
If you have `clang.extraArgs`, make sure your client uses the same initialization option, otherwise cflags mismatch will cause re-indexing.
```zsh
ccls -index ~/llvm -init='{"clang":{"extraArgs": ["--gcc-toolchain=/usr"]}}'
```
### Cases
On a laptop with one (i7-6600U CPU @ 2.60GHz, hyper-threading, `nproc`=4), 4 indexers.

8
compile_commands.json.md

@ -114,6 +114,14 @@ yes '' | make config
bear make -j bzImage modules
```
```zsh
ccls -index ~/Dev/Linux -init='{"clang":{"excludeArgs":[
"-falign-jumps=1","-falign-loops=1","-fconserve-stack","-fmerge-constants","-fno-code-hoisting","-fno-schedule-insns","-fno-var-tracking-assignments",
"-mhard-float","-mindirect-branch-register","-mindirect-branch=thunk-inline","-mpreferred-stack-boundary=2","-mpreferred-stack-boundary=3","-mpreferred-stack-boundary=4","-mrecord-mcount","-mindirect-branch=thunk-extern","-mno-fp-ret-in-387","-mskip-rax-setup",
"--param=allow-store-data-races=0","-Wa,arch/x86/kernel/macros.s","-Wa,-"
], "extraArgs":["--gcc-toolchain=/usr"]}}'
```
### musl
```zsh