<div dir="ltr">Despite documentation and output from "./configure --help", PETSC disregards completely all of the below:<br><br>--CFLAGS=<string><br>--CXXFLAGS=<string><br>--FFLAGS=<string><br><div>--COPTFLAGS=<string><br>--FOPTFLAGS=<string><br>--CXXOPTFLAGS=<string><br><br></div><div>And also the customary environment variables CFLAGS and CXXFLAGS.<br><br></div><div>How can I set special optimization flags, like enabling of SIMD instructions?<br></div><div><br>-- <br><div class="gmail_signature">Lucas Clemente Vella<br><a href="mailto:lvella@gmail.com" target="_blank">lvella@gmail.com</a></div>
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