--strip should emit no debug info and result in a stripped binary according to binutils

[andrewrk]

--strip is supposed to not emit debug info, but it still does.

Additionally if you use file on the binary it should say "stripped" and it should not say "not stripped".

[andrewrk]

Postponing to 0.3.0. We only have to solve this issue in the self-hosted compiler.

[andrewrk]

Strip now works fairly well but it does not strip everything. It's no longer a bug.

[artob]

This bit me just now when packaging my project for Debian. Namely, the last stage (linting) of debuild shows an error due to the shared libraries produced by Zig 0.6.0 with --strip still indicating that they are unstripped in the ELF information (scroll to the end of the output from file):

$ zig build-lib --name foo -target x86_64-linux-gnu -dynamic --strip

$ file libfoo.so.0.0.0
libfoo.so.0.0.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, not stripped

$ strip libfoo.so.0.0.0

$ file libfoo.so.0.0.0
libfoo.so.0.0.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, stripped

The Lintian error is unstripped-binary-or-object:

E: libfoo0: unstripped-binary-or-object usr/lib/x86_64-linux-gnu/libfoo.so.0.0.0
N: 
N:    The package installs an unstripped binary or object file.
N:    
N:    Please note, that shared libraries have to be stripped with the
N:    --strip-unneeded option.
N:    
N:    Refer to Debian Policy Manual section 10.1 (Binaries) and Debian Policy
N:    Manual section 10.2 (Libraries) for details.
N:    
N:    Severity: important, Certainty: certain
N:    
N:    Check: binaries, Type: binary, udeb

This will affect all shared libraries produced by Zig when packaged for Debian or Ubuntu. The workaround for now is to either add an explicit spurious strip(1) invocation after Zig builds the library, or else add a Lintian override to suppress the error.

[Ristovski]

This appears to be fixed.

$ zig build-exe test.zig -femit-bin=striptest
$ file striptest
striptest: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, with debug_info, not stripped

$ zig build-exe test.zig -femit-bin=striptest --strip
$ file striptest
striptest: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, stripped

0.10.0-dev.2562+61844b6bd

[andrewrk]

Fixed by 366c767