Linux gcc ld returned 1 exit status

Qt ошибка: collect2: error: ld returned 1 exit status

Kubuntu LTS 18.04 новая, Qt 5.11

Всем привет! Поставил новую Kubuntu и Qt, сделал новый проект, только с MainWindow. Сначала ругался линковщик, вылечил установив

и еще время от времени вылезает такая ошибка

Ошибка где-то выше должна быть. Полный выхлоп дай.

Покажи что выдает.

Зачем от рута запускал креатор? Делай теперь

Сделал. Ничего не выдает В некоторых проектах были проблемы с девайсами, система не давала работать с ними без прав. Запускал и без рута, ошибка остается

Дай полный вывод с ошибкой.

Извиняюсь, надо было сразу дать инфу из консоли сборки

Народ, я нашел ответ, кому интересно почитать или различается система, здесь: http://doc.qt.io/qt-5/linux.html , а кому некогда, для Debian/Ubuntu (apt-get):

Cпасибо за помощь

Причина в том, что Qt 5 раздулся, разжирел, у него сильно усложнился деплой и теперь он требует OpenGL там, где он нахер не нужен.

Если ты попробуешь заюзать Qt 4, то оно просто соберётся. Так как зависимости от OpenGL там нет.

Все верно, недавно ставил Qt на Lubuntu.

Из соображения — лишь бы было,

поставил, вроде, версию 5.4. Оно там не требовалось.

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undefined reference. ld returned 1 exit status

Не могу собрать казалось бы элементарную программу:

не предоставляешь gcc определение для crypt(). к.о.

Спасибо кэп, всё сразу стало понятно.

$ g++ hello.cpp -L crypt_blowfish-1.2 -lcrypt_blowfish -o hello

После -L у тебя идет пробел. Если это путь к библиотеке, то пробела быть не должно

у тебя библиотека лежит в каталоге crypt_blowfish-1.2 ?

подозреваю нужен -L .

Убрал пробел, не помогло.

Да, лежит в каталоге crypt_blowfish-1.2, -L установлен $g++ hello.cpp -Lcrypt_blowfish-1.2 -lcrypt_blowfish -o hello .

crypt_blowfish-1.2 — это каталог к библиотеке относительно какого пути? Можешь попробовать для пробы указать полный путь.

Не помогает(полный путь подсовывал, с корня). Вообще оно бы ругалось, если бы не могло найти библиотеку.

joy4eg

g++ hello.cpp -Lcrypt_blowfish-1.2 -lcrypt_blowfish -lutil -lcrypt -o hello

Тоже не помогло(

Попробуй gcc а не g++.

Возможно дело в том, что функция crypt не описана в заголовке как extern «C». В результате g++ применяет к ней c++ name mangling и не находит.

чем системная библиотека не угодила?

Только твой вариант segfault выкидывает после компиляции.

Какой код такой и результат 🙂

Плюсую. У него походу статическая библиотека, а к ней нужно полный путь указывать.

Всем спасибо, в частности joy4eg , за эту подсказку.
Дело было не в бобине путях, просто пересобрал библиотеку под плюсы, заработало(пока). Теперь интересно, насколько это правильно, или, все таки быдло-way?

просто пересобрал библиотеку под плюсы

Но зачем ? ведь либа то сишная. Или тебе нужны именно плюсы ?

И кстати, а зачем тебе это все ? оно ведь для хеширования паролей . (т.е. работает только в одну сторону, decrypt() там нету)

оно ведь для хеширования паролей

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can’t build: collect2: error: ld returned 1 exit status #42

Comments

AddaxSoft commented Jun 6, 2018 •

I’m on:
Linux HOST 4.13.0-1013-gcp #17-Ubuntu SMP Fri Apr 6 08:30:45 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

I’ve already installed the following dependencies:
apt-get install git build-essential libssl-dev -y

and cloned the latest git from here.

The text was updated successfully, but these errors were encountered:

ithilgore commented Jun 6, 2018

Please try compiling with openssl 1.1 and above. You are probably linking with an older version of openssl

AddaxSoft commented Jun 6, 2018

sanity check: you mean libssl-dev 1.1?

ithilgore commented Jun 6, 2018

Yes, but since your ubuntu version might not have 1.1 as a package, you can also try getting it directly from https://www.openssl.org/

AddaxSoft commented Jun 6, 2018

I compiled and installed openssl 1.1, but

I’m getting this error on ./configure now:

ithilgore commented Jun 6, 2018

Did you also try uninstalling the libssl-dev package from previously to avoid any conflicts?

ithilgore commented Jun 6, 2018

Also make sure that in /etc/ld.so.conf, there is a «/usr/local/lib» before the end of the file.
Then: sudo ldconfig

AddaxSoft commented Jun 6, 2018

same error, hmmm do I have to rebuild and install openssl after I remove ssllib?

ithilgore commented Jun 6, 2018

You can also try installing openssl using the —prefix /usr when you invoke ./config so that it’s not at the /usr/local/ (might also need to change the —openssldir) See: https://github.com/openssl/openssl/blob/master/INSTALL

ithilgore commented Jun 6, 2018

One more thing to try is when you run ./configure from Ncrack try specifying the openssl library location using —with-openssl=

AddaxSoft commented Jun 6, 2018

wow I spent so much time on this and I still cannot get it right. I did compile openssl 1.1 and installed it but it doesn’t recognize its own library.

On one box I have:

on the other where nrack fails I have:

What am I missing here? why is openssl not recognizing its own library making ncrack fail

ithilgore commented Jun 7, 2018

Kali should be installing openssl 1.1 and above when you install libssl-dev — that is why it works there. The latest version of Ubuntu 18.14 also now installs openssl 1.1.g (https://packages.ubuntu.com/bionic/libssl-dev) when you install the libssl-dev package (and Ncrack compiles out of the box there without having to install openssl manually)

AddaxSoft commented Jun 7, 2018

but I’m not on kali, I’m on Ubuntu (see uname -a command outputs above)

AddaxSoft commented Jun 7, 2018

after all the efforts I’m still getting the same issue.

my ldconfig -v reports ssllib1.1 being in the path of libs

openssl version -a reports the correct version, yet ncrack still fails to configure with error:

AddaxSoft commented Jun 7, 2018 •

half solution:

compile and install openssl 1.1 from source

then go back to ncrack dir, and run make clean
after it’s done run the following:

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