Bug#954374: libc6: please make maintainerscript compatible with busybox
Hi,
On 2020-03-20 22:57, Johannes 'josch' Schauer wrote:
> Package: libc6
> Version: 2.30-2
> Severity: wishlist
>
> Hi,
>
> would it be possible to make the libc6 preinst maintainer script
> compatible with busybox? Currently the preinst script calls "readlink
> -m" which is not supported by busybox. Hence the following error will be
> thrown:
>
> BusyBox v1.30.1 (Debian 1:1.30.1-4) multi-call binary.
>
> Usage: readlink [-fnv] FILE
>
> Display the value of a symlink
>
> -f Canonicalize by following all symlinks
> -n Don't add newline
> -v Verbose
>
> I tried to prepare a patch for the preinst script but ran into a FTBFS:
>
> x86_64-linux-gnu-gcc-9 -shared -static-libgcc -Wl,-O1 -Wl,-z,defs -Wl,-dynamic-linker=/lib64/ld-linux-x86-64.so.2 -B/<<PKGBUILDDIR>>/build-tree/amd64-libc/csu/ -Wl,--version-script=/<<PKGBUILDDIR>>/build-tree/amd64-libc/libnss_files.map -Wl,-soname=libnss_files.so.2 -Wl,-z,combreloc -Wl,-z,relro -Wl,--hash-style=both -L/<<PKGBUILDDIR>>/build-tree/amd64-libc -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/math -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/elf -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/dlfcn -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/nss -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/nis -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/rt -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/resolv -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/mathvec -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/support -L/<<PKGBUILDDIR>>/build-tree/amd64-libc/nptl -Wl,-rpath-link=/<<PKGBUILDDIR>>/build-tree/amd64-libc:/<<PKGBUILDDIR>>/build-tree/amd64-libc/math:/<<PKGBUILDDIR>>/build-tree/amd64-libc/elf:/<<PKGBUILDDIR>>/build-tree/amd64-libc/dlfcn:/<<PKGBUILDDIR>>/build-tree/amd64-libc/nss:/<<PKGBUILDDIR>>/build-tree/amd64-libc/nis:/<<PKGBUILDDIR>>/build-tree/amd64-libc/rt:/<<PKGBUILDDIR>>/build-tree/amd64-libc/resolv:/<<PKGBUILDDIR>>/build-tree/amd64-libc/mathvec:/<<PKGBUILDDIR>>/build-tree/amd64-libc/support:/<<PKGBUILDDIR>>/build-tree/amd64-libc/nptl -o /<<PKGBUILDDIR>>/build-tree/amd64-libc/nss/libnss_files.so /<<PKGBUILDDIR>>/build-tree/amd64-libc/csu/abi-note.o -Wl,--whole-archive /<<PKGBUILDDIR>>/build-tree/amd64-libc/nss/libnss_files_pic.a -Wl,--no-whole-archive -Wl,--start-group /<<PKGBUILDDIR>>/build-tree/amd64-libc/linkobj/libc.so /<<PKGBUILDDIR>>/build-tree/amd64-libc/libc_nonshared.a -Wl,--as-needed /<<PKGBUILDDIR>>/build-tree/amd64-libc/elf/ld.so -Wl,--no-as-needed -Wl,--end-group
> /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libselinux.so: undefined reference to `gettid@GLIBC_2.30'
> collect2: error: ld returned 1 exit status
Strange. How did you try to build it?
> Thus, I'm now reporting this wishlist bug here before further working on
> a fix.
>
> Would you be willing to accept a change that makes the preinst script of
> libc6 compatible with readlink from busybox?
On the principle yes, but it means we need to have an equivalent to
readlink -m. Do you have a way for doing that in busybox?
Aurelien
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurelien@aurel32.net http://www.aurel32.net
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