Hi, the version 4.9 will compile, but the link part will fails with: make[2]: Entering directory '/builddir/build/BUILD/sed-4.9/build_win64' x86_64-w64-mingw32-gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions --param=ssp-buffer-size=4 -fstack-protector -lssp -o sed/sed.exe sed/sed-compile.o sed/sed-debug.o sed/sed-execute.o sed/sed-mbcs.o sed/sed-regexp.o sed/sed-sed.o sed/sed-utils.o sed/libver.a lib/libsed.a make[2]: Leaving directory '/builddir/build/BUILD/sed-4.9/build_win64' /usr/lib/gcc/x86_64-w64-mingw32/11.2.1/../../../../x86_64-w64-mingw32/bin/ld: lib/libsed.a(libsed_a-getrandom.o): in function `getrandom': /builddir/build/BUILD/sed-4.9/build_win64/../lib/getrandom.c:128: undefined reference to `BCryptGenRandom' collect2: error: ld returned 1 exit status make[2]: *** [Makefile:3154: sed/sed.exe] Error 1 make[1]: *** [Makefile:5237: all-recursive] Error 1 make: *** [Makefile:2761: all] Error 2 Build OS: Fedora 36 64 bit Target: Windows 64 bit I have added the list with the used packages and the full build log. Or make I something complete wrong at the build? Thanks for help. Frank -- *Frank Büttner* IT MDC Berlin-Buch Max-Delbrück-Centrum für Molekulare Medizin in der Helmholtz-Gemeinschaft Robert-Rössle-Straße 10 13125 Berlin ☎ +49 30 9406 2038 ℻ +49 30 9406 2599 ✉ frank.buettner@mdc-berlin.de