mpfr/mpfr-4.2.1-2-x86_64.pkg.tar.zst build reproducible in our test framework:
920144886df61dcb6192587f4724a7ba4d580a4d6291dab17b8a170eaee2ca21 mpfr-4.2.1-2-x86_64.pkg.tar.zst
122b601c82f6c33e6a97cfbdbe0724bec3e5df19833762ef08242cb166bdbe9c mpfr-4.2.1-2-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
122b601c82f6c33e6a97cfbdbe0724bec3e5df19833762ef08242cb166bdbe9c mpfr-4.2.1-2-x86_64.pkg.tar.zst-b2.BUILDINFO.txt