VirtualBox 6.1.97 r138981 for Linux 64-bit fails to build module on Ubuntu MATE 20.04
Attaching vbox install and setup logs. Previous development version VirtualBox-6.1.97-138534-Linux_amd64 is working just fine. Jags
vbox-setup.log.1
Description: Binary data
VirtualBox 6.1.97 r138981 installer, built 2020-07-06T21:09:51Z. Testing system setup... Installing VirtualBox to /opt/VirtualBox vboxdrv.sh: Stopping VirtualBox services. vboxdrv.sh: Starting VirtualBox services. vboxdrv.sh: Building VirtualBox kernel modules.
Building the main VirtualBox module. Error building the module: make V=1 CONFIG_MODULE_SIG= CONFIG_MODULE_SIG_ALL= -C /lib/modules/5.7.7-050707-generic/build SUBDIRS=/tmp/vbox.0 SRCROOT=/tmp/vbox.0 -j12 modules make[1]: warning: -j12 forced in submake: resetting jobserver mode. make -f ./Makefile syncconfig make -f ./scripts/Makefile.build obj=scripts/basic rm -f .tmp_quiet_recordmcount make -f ./scripts/Makefile.build obj=scripts/kconfig syncconfig flex -oscripts/kconfig/lexer.lex.c -L scripts/kconfig/lexer.l /bin/sh: 1: flex: not found make[3]: *** [scripts/Makefile.host:9: scripts/kconfig/lexer.lex.c] Error 127 make[3]: *** Waiting for unfinished jobs.... bison -o scripts/kconfig/parser.tab.c --defines=scripts/kconfig/parser.tab.h -t -l scripts/kconfig/parser.y /bin/sh: 1: bison: not found make[3]: *** [scripts/Makefile.host:17: scripts/kconfig/parser.tab.h] Error 127 make[2]: *** [Makefile:588: syncconfig] Error 2 make[1]: *** [Makefile:695: include/config/auto.conf.cmd] Error 2 make: *** [/tmp/vbox.0/Makefile-footer.gmk:117: vboxdrv] Error 2
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