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Use CMAKE_{C,CXX}_COMPILER_LAUNCHER for ccache 

CMake 3.4 and newer which is the required minimum version for LLVM
supports CMAKE_{C,CXX}_COMPILER_LAUNCHER for settting the compiler
launcher such as ccache which doesn't require shifting arguments.
This commit is contained in:
Petr Hosek 2019-01-05 19:11:27 -08:00
parent 36500deb1a
commit 42e65c164d
1 changed files with 6 additions and 8 deletions
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14
src/bootstrap/native.rs
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@ -347,15 +347,13 @@ fn configure_cmake(builder: &Builder,
if builder.config.llvm_clang_cl.is_some() && target.contains("i686") {
cfg.env("SCCACHE_EXTRA_ARGS", "-m32");
}
// If ccache is configured we inform the build a little differently how
// to invoke ccache while also invoking our compilers.
} else if let Some(ref ccache) = builder.config.ccache {
cfg.define("CMAKE_C_COMPILER", ccache)
.define("CMAKE_C_COMPILER_ARG1", sanitize_cc(cc))
.define("CMAKE_CXX_COMPILER", ccache)
.define("CMAKE_CXX_COMPILER_ARG1", sanitize_cc(cxx));
} else {
// If ccache is configured we inform the build a little differently how
// to invoke ccache while also invoking our compilers.
if let Some(ref ccache) = builder.config.ccache {
cfg.define("CMAKE_C_COMPILER_LAUNCHER", ccache)
.define("CMAKE_CXX_COMPILER_LAUNCHER", ccache);
}
cfg.define("CMAKE_C_COMPILER", sanitize_cc(cc))
.define("CMAKE_CXX_COMPILER", sanitize_cc(cxx));
}