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rustbuild: expose LLVM_PARALLEL_LINK_JOBS

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This allows limiting the number of linker jobs to avoid swapping when
linking LLVM with debug info.
This commit is contained in:
Robin Kruppe 2017-03-05 16:11:11 +01:00
parent 3087a1f39e
commit 58ff4f67e3
3 changed files with 17 additions and 0 deletions
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8
src/bootstrap/config.toml.example
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@ -53,6 +53,14 @@
# Rust team and file an issue if you need assistance in porting!
#targets = "X86;ARM;AArch64;Mips;PowerPC;SystemZ;JSBackend;MSP430;Sparc;NVPTX"
# Cap the number of parallel linker invocations when compiling LLVM.
# This can be useful when building LLVM with debug info, which significantly
# increases the size of binaries and consequently the memory required by
# each linker process.
# If absent or 0, linker invocations are treated like any other job and
# controlled by rustbuild's -j parameter.
#link-jobs = 0
# =============================================================================
# General build configuration options
# =============================================================================