Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: undefined reference to `__ctype_b'
Top Forums Programming undefined reference to `__ctype_b' Post 302244674 by jim mcnamara on Wednesday 8th of October 2008 11:29:09 AM
Old 10-08-2008
Another thought - you may not be aware that the order of libraries linked against is important. Try moving the .a file to the first element in the -l list.

Also, you may need to put something like the std c++ library as the last in that list - in other words some standard shared libraries may need to be parsed for symbols more than once.

What is happening: the .a file is introducing symbols that were not in the original object file, these extern symbols were probably available earlier, but ld skipped over them because they were not needed at that time.
 

9 More Discussions You Might Find Interesting

1. Programming

Undefined reference to Error

Hello, plz help me out with this error, i am getting this error when i compile my code with gcc. /usr/lib/gcc-lib/i386-redhat-linux/3.3.2/../../../crt1.o(.text+0x18): In function `_start': : undefined reference to `main' /tmp/cciLxqdV.o(.text+0x3c): In function `HandleUserTransaction()':... (2 Replies)
Discussion started by: svh
2 Replies

2. Programming

about undefined reference for 'sinf'

I m writting code in c using another library(parapin) and making Makefile .but there is a error like undefined reference to `sinf' undefined reference to `ceilf' although i have added math.h library in my code . I tried to run simple programme using math.h and it run.but in making Makefile it... (2 Replies)
Discussion started by: bharat suthar
2 Replies

3. Programming

undefined reference to `pthread_create'

Hi I wanted to learn communication between threads and I used a simple example but I faced with this error while I have a sofware that uses this functions without any problem so would you please help me to know the reason thanks for your help and great favor. #include <pthread.h>... (2 Replies)
Discussion started by: netman
2 Replies

4. Programming

undefined reference to `__udivdi3@GCC_3.0'

While I made something, I get following message. --------------------------------------------- undefined reference to `__udivdi3@GCC_3.0' --------------------------------------------- Is '__udivdi3@GCC_3.0' a name of function ? if not, what does '@GCC_3.0' mean ? I want to make and link a... (1 Reply)
Discussion started by: hcliff
1 Replies

5. Programming

undefined reference to 'function'

Hi, i want to compile a code where fortran calls c . First I compiled C module ,it has pass by gcc. However, after generating .o file. I compiled C and fortran files together by intel fortran and it failed " undefined reference to 'vicerror'". vicerror is a function. I do not know why. (1 Reply)
Discussion started by: austinhsu
1 Replies

6. Programming

undefined reference to pthread_create

I try to compile a sample c code in fedora eclipse 3.2 as managed makefile using pthread library,it shows some error on pthread functions.Error is of undefined reference to pthread.Anybody guide me to solve this problem. Thanking you (1 Reply)
Discussion started by: sujith4u87
1 Replies

7. Programming

undefined reference to `pthread_create'

Hi guys. H was learning posix threads in C with anjuta IDE. it gives me undefined reference to `pthread_create' I know i should compile it like: gcc -lpthread main.c how should i import this configuration in anjuta so i can compile inside it? (2 Replies)
Discussion started by: majid.merkava
2 Replies

8. Homework & Coursework Questions

undefined reference help

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted! 1. The problem statement, all variables and given/known data: i know when undefined reference shows up the program is saying it is not link to that function but the problem... (1 Reply)
Discussion started by: mgyeah
1 Replies

9. Homework & Coursework Questions

undefined reference help

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted! 1. The problem statement, all variables and given/known data: The problem is a function which i typed although it kept saying that it is a undefined reference still. other... (1 Reply)
Discussion started by: mgyeah
1 Replies

LEARN ABOUT DEBIAN

check-symbols

CHECK-SYMBOLS(1)					      General Commands Manual						  CHECK-SYMBOLS(1)

NAME

       check-symbols - verify symbols exported by a new library version

SYNOPSIS

       check-symbols <source-package> [DEBDIR]

DESCRIPTION

       To  verify the symbols exported by a new library version, run check-symbols with the name of the source package as argument.  check-symbols
       will first determine the symbols exported by the existing and installed library version, then install the new library and compare the  sym-
       bols  exported  by the new library version with the symbols exported by the old version.  For each of the symbols found, check-symbols will
       list if the symbol is new, unchanged or has been removed in the new library version.

       In case the source package contains multiple binary library packages, all library files in each of the binary packages will be verified.

       check-symbols uses nm -D to determine the exported symbols of the libraries.

       If no value is given for DEBDIR, the script will assume the new library deb files are stored in /var/cache/pbuilder/result.

EXAMPLES

       check-symbols telepathy-glib .

       This will:

	 o Use nm -D to determine the exported symbols of the old,
	   installed versions of the libraries provided by telepathy-glib.

	 o Install the binary libraries provided by the new version of
	   telepathy-glib.

	 o Compare the output of nm -D of the new libraries with the
	   output of the old version.

	 o List the result in diff format.

BUGS

       Please report bugs on:
       https://bugs.launchpad.net/ubuntu/+source/ubuntu-dev-tools/

SEE ALSO

       nm(1)

AUTHOR

       check-symbols was written by Daniel Holbach <daniel.holbach@ubuntu.com> and this manpage by Albert Damen <albrt@gmx.net>. Both are licensed
       under the GNU General Public License, version 2.

ubuntu-dev-tools						 December 9, 2007						  CHECK-SYMBOLS(1)
All times are GMT -4. The time now is 10:21 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy