qt5-base/qt5-xcb-private-headers-5.15.12+kde+r151-1-x86_64.pkg.tar.zst build reproducible in our test framework:
206fa04018d5cd799830ce9261aacbdc735e2f7ba22de7ad934e60e4b4ce91fc qt5-xcb-private-headers-5.15.12+kde+r151-1-x86_64.pkg.tar.zst
bda28cfa43773232f975fc84fbbf96815a624f831366ec0b0f0c19f5c38d0002 qt5-xcb-private-headers-5.15.12+kde+r151-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
bda28cfa43773232f975fc84fbbf96815a624f831366ec0b0f0c19f5c38d0002 qt5-xcb-private-headers-5.15.12+kde+r151-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt