Re: Failed to build glibc on arm64

On Sun, 2025-08-10 at 13:41 +0200, Filip Bartmann wrote:
> Hello,
> I'm trying to build Glibc in 8.5 chapter of https://www.linuxfromscratch.org/~xry111/lfs/view/arm64-systemd book. In make install phase I have this error:
> -------------------------------------------------------------------------------------
> rm -f /build/glibc-2.41/build/stubs.h
> test ! -x /build/glibc-2.41/build/elf/ldconfig || LC_ALL=C \
>   /build/glibc-2.41/build/elf/ldconfig  \
>                         /usr/lib /usr/lib
> LD_SO=ld-linux-aarch64.so.1 CC="gcc" /usr/bin/perl scripts/test-installation.pl /build/glibc-2.41/build/
> /usr/lib/gcc/aarch64-lfs-linux-gnu/15.1.0/../../../../aarch64-lfs-linux-gnu/bin/ld: cannot find -lnsl: No such file or directory
> /usr/lib/gcc/aarch64-lfs-linux-gnu/15.1.0/../../../../aarch64-lfs-linux-gnu/bin/ld: cannot find -lnss_dns: No such file or directory
> collect2: error: ld returned 1 exit status
> Execution of gcc failed!
> The script has found some problems with your installation!
> Please read the FAQ and the README file and check the following:
> - Did you change the gcc specs file (necessary after upgrading from
>   Linux libc5)?
> - Are there any symbolic links of the form libXXX.so to old libraries?
>   Links like libm.so -> libm.so.5 (where libm.so.5 is an old library) are wrong,
>   libm.so should point to the newly installed glibc file - and there should be
>   only one such link (check e.g. /lib and /usr/lib)
> You should restart this script from your build directory after you've
> fixed all problems!
> Btw. the script doesn't work if you're installing GNU libc not as your
> primary library!

You forgot this:

   Fix the Makefile to skip an outdated sanity check that fails with a
   modern Glibc configuration:

   sed '/test-installation/s@$(PERL)@echo not running@' -i ../Makefile
   
which exists in both the mainline (x86_64) book and the arm64 book.

-- 
Xi Ruoyao <[email protected]>

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