Hello:
I have progressed all the way to the kernel-build stage (8.3) in LFS
9.1. All went well to this point. The document states that
the first step is to run "make defconfig". It fails with the following message:
---------------------------
root@brian-T3408:/mnt/lfs/sources/linux-5.5.3# make defconfig
HOSTCC scripts/basic/fixdep
HOSTCC scripts/kconfig/conf.o
HOSTCC scripts/kconfig/confdata.o
HOSTCC scripts/kconfig/expr.o
LEX scripts/kconfig/lexer.lex.c
/bin/sh: flex: command not found
scripts/Makefile.host:9: recipe for target 'scripts/kconfig/lexer.lex.c' failed
make[1]: *** [scripts/kconfig/lexer.lex.c] Error 127
Makefile:568: recipe for target 'defconfig' failed
make: *** [defconfig] Error 2
-----------------------
[ I have the /bin/sh value set to bash as required. (I learned the hard
way that the "dash" that is a native element of this host system
does not work.) I re-checked, and it is currently set properly. ]
I searched for the "flex" command and got this:
----------------
root@brian-T3408:/mnt/lfs/sources/linux-5.5.3# whence flex
whence: command not found
-------------------
Before this 8.3 section, the instructions suggested replacing numerous
files in the "/etc" directory. Looking at them, I
decided that the existing ones should be sufficient. Is that a mistake on my
part? If I cannot resolve the error messages
in the "make defconfig" procedure, I cannot advance to the next steps. I have
looking online for FAQ's and such to
check into kernel-build LFS failure and found nothing useful.
Comment is invited.
Brian
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