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Re:Speedier Emacs Startup with Custom Configuration (For Com... by vordoo on Thursday December 10, 2020 @10:23AM (#25374619)
Humans don’t notice difference between 0.2 or 0.4 sec startup, but we do it anyway :-)

./configure –without-makeinfo –with-cairo –without-modules –without-compress-install –with-x-toolkit=no –with-gnutls –without-gconf –without-xwidgets –without-toolkit-scroll-bars –without-xaw3d –without-gsettings –with-mailutils –with-nativecomp CFLAGS=”-O3 -mtune=native -march=native -fomit-frame-pointer”