Avoid 3rd party dependencies and C++ templates.

Working with / compiling from source code (portable/non-portable): cosmopolitan libc[0]

Each language kinda has own tricks,java[3], rust[4]

From [1] : " A comparison of dietlibc, uclibc, musl, and glibc, by the author of musl: http://www.etalabs.net/compare_libcs.html "

How to make smaller C and C++ binaries[7]

Removing unused code[5] / Exploiting function similarity for code size reduction[6]

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[0] : a) https://justine.lol/cosmopolitan/

      b) size tricks : https://justine.lol/sizetricks/

[1] : Dietlibc - a libc optimized for small size : https://news.ycombinator.com/item?id=21291893

[2] : https://interrupt.memfault.com/blog/dealing-with-large-symbo...

[3] : java : https://www.graalvm.org/latest/reference-manual/native-image...

[4] minimizing rust : https://github.com/johnthagen/min-sized-rust

[5] : https://tetzank.github.io/posts/removing-unused-code/

[6] : https://dl.acm.org/doi/10.1145/2666357.2597811

[7] : how to make smaller c and c++ binaries : https://news.ycombinator.com/item?id=35853625