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Subject: RE: gcc v.11.3.0 failing - possible cause gcc or libreadline.a?
Thread-Topic: gcc v.11.3.0 failing - possible cause gcc or libreadline.a?
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Date: Thu, 15 Dec 2022 08:06:01 +0000
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From: Fergus Daly via Cygwin <cygwin AT cygwin DOT com>
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Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

>> In a gcc build script terminating with the instruction
>>     gcc -w -static -o myexe -O3 ./myarchive.a -lreadline -lncurses -lm
>> I have suddenly started getting very many instances of both of
>>     ld: /usr/src/debug/readline-8.2-2/terminal.c:nn various: undefined reference to `{various}'
>>     ld: /usr/src/debug/readline-8.2-2/display.c:nn various: undefined reference to `{various}'
>> and the build fails.

The problem was with readline not gcc
and I assume originates in myarchive.a and the required switch -lreadline in the gcc line
rather than in readline: nevertheless I reverted both libreadline-devel and libreadline7
from 8.22 to 7.03 and the problem went away.


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