https://sourceware.org/bugzilla/show_bug.cgi?id=32732
Bug ID: 32732
Summary: Binutils (objcopy) generates abnormally large,
non-functional binaries
Product: binutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: basjetimmer at yahoo dot com
Target Milestone: ---
Since version 2.43, mingw-w64-binutils has been causing some binaries to
balloon in size and not function.
Up until 2.42 (tested from 2.39 up), when building mingw-w64-openssl, the
resulting libraries show:
[~/binutils_issue/built_with_2.42/mingw-w64-openssl-3.4.1-1-any.pkg.tar.zst/usr/x86_64-w64-mingw32/lib]
$ ls -l
total 13575
drwxr-xr-x 1 root root 1 feb 17 11:05 cmake
drwxr-xr-x 1 root root 1 feb 17 11:05 engines-3
-rw-r--r-- 1 root root 8145216 feb 17 11:05 libcrypto.a
-rwxr-xr-x 1 root root 3872194 feb 17 11:05 libcrypto.dll.a
-rw-r--r-- 1 root root 1477594 feb 17 11:05 libssl.a
-rwxr-xr-x 1 root root 402536 feb 17 11:05 libssl.dll.a
drwxr-xr-x 1 root root 1 feb 17 11:05 ossl-modules
drwxr-xr-x 1 root root 1 feb 17 11:05 pkgconfig
After updating to 2.43 and recompiling mingw-w64-openssl, the libraries are
enormous. Especially libcrypto.dll.a has grown from 3.7M to about 115M:
[~/binutils_issue/built_with_2.43/mingw-w64-openssl-3.4.1-1-any.pkg.tar.zst/usr/x86_64-w64-mingw32/lib]
$ ls -l
total 158762
drwxr-xr-x 1 root root 1 feb 17 11:14 cmake
drwxr-xr-x 1 root root 1 feb 17 11:14 engines-3
-rw-r--r-- 1 root root 26922052 feb 17 11:14 libcrypto.a
-rwxr-xr-x 1 root root 119957566 feb 17 11:14 libcrypto.dll.a
-rw-r--r-- 1 root root 3341982 feb 17 11:14 libssl.a
-rwxr-xr-x 1 root root 12347196 feb 17 11:14 libssl.dll.a
drwxr-xr-x 1 root root 1 feb 17 11:14 ossl-modules
drwxr-xr-x 1 root root 1 feb 17 11:14 pkgconfig
Additionally, a program I regularly link against the openssl libraries has also
more than doubled in size and - more importantly - refuses to run on Windows
anymore.
After some useful comments on the mailing list, I was directed to the following
commit in objcopy:
https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=121a3f4b4f4;hp=b35013e29f3bcf9028aa22291f378010420322fe
Undoing this single commit in the 2.43 tree makes all problems disappear.
While I am a bit out of my depth here, I'm willing to answer any questions, run
any commands, test any patches as needed.
References:
Possibly helpful mailing list messages:
https://sourceware.org/pipermail/binutils/2025-February/139517.html
https://sourceware.org/pipermail/binutils/2025-February/139519.html
A github page I used to host the built packages (with and without issues) and
describe the problem (and solution):
https://github.com/bepaald/binutils_issue
Thanks!
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