Undefined reference to '_crypt' error

Posted by Theheahi on Fri 02 May 2008 06:00 PM — 9 posts, 29,073 views.

Theheahi Fri 02 May 2008 06:00 PM #0

hi again, in other thread i couldn't solve my problem so im making a new thread about my question.when i try to compile smaug 1.8b i get same error

build.c:1822:Undefined reference to '_crypt' error

however i search and tried everything which i found on that forum still same error. please help.

Nick Gammon Australia Forum Administrator Fri 02 May 2008 09:26 PM #1

I downloaded smaug1.8b.tgz and compiled it under Cygwin. I had to make two changes to make it work:

Change the start of the Makefile to read:


CC      = gcc
#PROF    = -p
NOCRYPT = -DNOCRYPT

# Uncomment the two lines below if compiling on a Solaris box
#SOLARIS_FLAG = -Dsun -DSYSV
#SOLARIS_LINK = -lnsl -lsocket

Note the change to the 3rd line.

Now if you compile you will get an error about missing _re_exec. Edit the file act_comm.c and at the very end change the is_profane function to be:


int is_profane (char *what)
{
 return(0);
}

Now it should compile and link OK.

Theheahi Fri 02 May 2008 10:54 PM #2

can you upload your edited version please, cause i try to fix but counl't.

Theheahi Fri 02 May 2008 11:14 PM #3

aha, ok now i can commpile thanks for help.

David Haley USA Sat 03 May 2008 12:15 AM #4

What was the problem? Sharing will help future people solve this if they get the same issue.

Theheahi Sat 03 May 2008 12:21 AM #5

just do what nick did, it solves _crypt and _re_exec error while compiling.

David Haley USA Sat 03 May 2008 12:24 AM #6

I thought that is exactly what we already said to do several times in previous threads... :P You said you'd done it but it didn't work, do you know what was different this time?

Nick Gammon Australia Forum Administrator Sat 03 May 2008 01:50 AM #7

Previously he said he had: "uncomment NEED_CRYPT = -lcrypt".

This is different. The Makefile does not actually say what to do with the "NOCRYPT" line. It originally had:


NOCRYPT =

There were no comments suggesting what to replace that with.

The "NEED_CRYPT = -lcrypt" change solves a linking problem, the other changes solve a compiling problem.

I am pretty sure this is covered in the forum here previously, but in our replies to him we didn't mention that.

Theheahi Sat 03 May 2008 12:55 PM #8

yes, as nick told all the times before we only try to uncomment but there was an empty line

NOCRYPT =

add end of that line "-DNOCRYPT"

NOCRYPT = -DNOCRYPT

is the right one, and works fine.