$ gcc -v -o foo foo.c
...
/usr/libexec/gcc/x86_64-linux-gnu/14/collect2 -plugin
/usr/libexec/gcc/x86_64-linux-gnu/14/liblto_plugin.so
-plugin-opt=/usr/libexec/gcc/x86_64-linux-gnu/14/lto-wrapper
-plugin-opt=-fresolution=/tmp/cc30VlqL.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id
--eh-frame-hdr -m elf_x86_64 --hash-style=gnu --as-needed -dynamic-linker
/lib64/ld-linux-x86-64.so.2 -pie -z now -z relro -o foo
/usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o
/usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/crti.o
/usr/lib/gcc/x86_64-linux-gnu/14/crtbeginS.o -L/usr/lib/gcc/x86_64-linux-gnu/14
-L/usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu
-L/usr/lib/gcc/x86_64-linux-gnu/14/../../../../lib -L/lib/x86_64-linux-gnu
-L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib
-L/usr/lib/gcc/x86_64-linux-gnu/14/../../.. /tmp/ccvRfdrc.o -lgcc --push-state
--as-needed -lgcc_s --pop-state -lc -lgcc --push-state --as-needed -lgcc_s
--pop-state /usr/lib/gcc/x86_64-linux-gnu/14/crtendS.o
/usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/crtn.o
...
$ readelf --notes
/usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o|tail -n1
Packaging Metadata:
{"type":"deb","os":"ubuntu","name":"glibc","version":"2.41-6ubuntu1","architecture":"amd64"}
I guess that the note is copied from there. The other .o files don't
have the notes, afaict.
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https://bugs.launchpad.net/bugs/2109333
Title:
glibc package metadata in all binaries
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