Unable to build stdlib on low memory computer

When I attempt to build stdlib with make -f Makefile.manual, gfortran eats all available memory and it makes the computer unusable. Unfortunately there was no way to know if the process was about to end, then after 30 minutes I manually killed the gfortran process.

Here are the screenshots.

Command prompt

Task manager

Computer: Windows 10 x64, Memory (total): 8GB
gfortran: 10.2.0, x64

[LKedward]

Hi @brocolis, please see this comment for a solution previously mentioned.

This is an issue/solution that should be mentioned prominently in the README.

Since you're already using fpm, you may want to try the stdlib-fpm package which limits the maximum rank because of this issue.

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Is there a way to exploit submodules here and break templated routines across different compilation units? This could better exploit parallelism during builds and reduce peak memory usage.

Hi @LKedward . Both solutions work for me. Thank you.

[awvwgk]

Is there a way to exploit submodules here and break templated routines across different compilation units? This could better exploit parallelism during builds and reduce peak memory usage.

I tried to reduce the compilation load in #283 and got the default settings to compile with a peak memory usage of ~7 GB on two parallel build jobs.