I have been working on a private RPM for a Rust based program and
noticed that the RPM strip scripts are not reducing the binaries files
like when I execute strip directly on those binaries.
The first thing I checked is the brp-strip script. This one is filtering
executables where "file" reports it is a "shared object", Rust binaries
are marked as "ELF 64-bit LSB shared object" instead of "ELF 64-bit LSB
executable". My understating of this after a few web searches is that
this is for security features like PIE and ASLR.
brp-strip-shared runs "strip --strip-unneeded" but brp-strip run "strip"
(no arguments). Is there a reason why binaries marked as "ELF 64-bit LSB
shared object" should not be fully stripped?
For example "ls" can be smaller that it currently is
161896 ls (from Fedora RPM)
150008 ls-full (after strip)
150008 ls-unneeded (after strip --strip-unneeded)
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