GNU bug report logs - #29620
configure fails when cross-compiling for the same architecture

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Package: emacs;

Reported by: Pip Cet <pipcet <at> gmail.com>

Date: Sat, 9 Dec 2017 00:11:01 UTC

Severity: wishlist

Done: Pip Cet <pipcet <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Pip Cet <pipcet <at> gmail.com>
To: 29620 <at> debbugs.gnu.org, eggert <at> cs.ucla.edu
Subject: bug#29620: configure fails when cross-compiling for the same architecture
Date: Sat, 9 Dec 2017 00:10:05 +0000

I tried building Paul's MPX patch on a CPU that doesn't support MPX,
so I could run the executable with Intel's CPU emulator. I used
./configure CFLAGS="-O2 -g3 -mmpx -fcheck-pointer-bounds", but that
failed because the executable produced by the tputs test cannot run
(natively) on my CPU.

It would be nice to have a configure option to specify that while
build and target machines share the same architecture, they don't
share the same -m flags, so that we're effectively cross-compiling. Is
this possible with autoconf?
This bug report was last modified 4 years and 342 days ago.

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