[Pkg-zsh-devel] Bug#993843: Bug#993843: zsh-static segfaults immediately

[Vincent Lefevre]

Control: tags -1 upstream

I've found the cause of the use of the shared C library and the crash.
I can notice the following warnings:

gcc -static   -o zsh main.o  `cat stamp-modobjs`   -lgdbm -lpcre -lcap -lncursesw -ltinfo -ltinfo -lrt -lm  -lc
/usr/bin/ld: options.o: in function `dosetopt':
./obj-static/Src/../../Src/options.c:830: warning: Using 'initgroups' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/bin/ld: Modules/parameter.o: in function `get_all_groups':
./obj-static/Src/Modules/../../../Src/Modules/parameter.c:2058: warning: Using 'getgrgid' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/bin/ld: Modules/files.o: in function `bin_chown':
./obj-static/Src/Modules/../../../Src/Modules/files.c:763: warning: Using 'getgrnam' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/bin/ld: params.o: in function `usernamesetfn':
./obj-static/Src/../../Src/params.c:4420: warning: Using 'getpwnam' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/bin/ld: options.o: in function `dosetopt':
./obj-static/Src/../../Src/options.c:822: warning: Using 'getpwuid' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking

This is exactly the issue we are seeing. Details about why the shared
C library is used with these functions:

  https://stackoverflow.com/questions/15165306/compile-a-static-binary-which-code-there-a-function-gethostbyname
  https://bugzilla.redhat.com/show_bug.cgi?id=111298

Additional details about the upstream bug in my mail to zsh-workers,
Cc'ed to this bug, i.e.

  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993843#46

For the Debian build, I suggest to turn the above warning into
an error (if possible) in order to make sure that the issue is
not left unnoticed (i.e. that the bug does not reappear after
it is fixed, with future changes in zsh).

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Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
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