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Re:Ask HN: Production Lisp in 2020? by justinmeiners on Tuesday May 19, 2020 @11:05AM (#23235626)
I have had problems with C, but building my code was never one of them. You are right that I have only used GCC, Clang, and Visual Studio.

I thought they use M4 because they were doing sophisticated preprocessing?

Re:Ask HN: Production Lisp in 2020? by aidenn0 on Tuesday May 19, 2020 @08:34PM (#23242059)
I misremembered; M4sh (which uses m4 to generate portable bourne-ish shell scripts) is what was the lowest-common-denominator for autoconf.