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[sr #110285] Probes for C++11 and C11 are too slow

From: Zack Weinberg
Subject: [sr #110285] Probes for C++11 and C11 are too slow
Date: Wed, 5 Aug 2020 11:37:09 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0

Update of sr #110285 (project autoconf):

                  Status:             In Progress => Ready For Test         


Follow-up Comment #2:

I just pushed a commit (c16be715) that makes the C++98 and C++11 test programs
exercise only *language* features, not *library* features.  On my computer,
which is quite new, the minimal configure script


executes in 4.5 seconds (wall-clock) before this change and 0.5
seconds after.

Please test autoconf master with this change and report whether it fixes the
performance problems for you.

(No code from the autoconf macro archive was used.)


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