URL: <https://savannah.gnu.org/support/?111400>
Summary: Possible Regression in 2.73 re AC_PROG_CC
Group: Autoconf
Submitter: toolybird
Submitted: Wed 01 Apr 2026 09:58:39 PM UTC
Priority: 5 - Unprioritized
Severity: 3 - Normal
Status: None
Privacy: Public
Assigned to: None
Originator Email:
Open/Closed: Open
Discussion Lock: Unlocked
Operating System: None
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Follow-up Comments:
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Date: Wed 01 Apr 2026 09:58:39 PM UTC By: Toolybird <toolybird>
Hi,
I'm on Arch Linux x86_64 and have noticed a possible regression in the latest
2.73 release.
Take an older pkg which doesn't compile with latest GCC (for example
grub-2.04.tar.xz). The usual workaround for this kind of problem
is to compile the pkg like so:
./configure --disable-werror CC="gcc -std=gnu11"
or
CC="gcc -std=gnu11" ./configure --disable-werror
Both of these invocations no longer work after running `autoreconf -vfi` on
2.73
What happens is the CC definition ends up defined as:
CC = gcc -std=gnu11 -std=gnu23
Which is obviously not going to work in the scenario outlined above.
Any thoughts? Thanks.
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