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Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
Many thanks.
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makewill do this for you. Investigate the-jand-lswitches in the man page. I don't thinkg++is parallelizable.People have mentioned
makebutbjamalso supports a similar concept. Usingbjam -jxinstructs bjam to build up toxconcurrent commands.We use the same build scripts on Windows and Linux and using this option halves our build times on both platforms. Nice.