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Error Redefinition Of Typedef 'gliststore'

Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community error redefinition of 'class of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up GCC compiler error: “redefinition…previously defined” up vote 7 down vote favorite 3 I'm getting a lot error redefinition of ‘class of " redefinition of x....x previously defined here". Please what does this error means? c++ gcc compiler-construction share|improve this question asked Apr 2 '09 at 1:00 caesar add a comment| 3 Answers 3 active oldest votes up vote 20 down vote You need to limit each file from being included only once. You can do this in 2 ways. 1) At the top of your header files put: #pragma once Or 2)

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if your compiler doesn't support that, put at the top/end of your header files: #ifndef _MYFILE_H_ #define _MYFILE_H_ ... #endif Replace MYFILE with the name of your file, and replace ... with the contents of the header file. share|improve this answer edited Apr 2 '09 at 7:11 unwind 254k38331460 answered Apr 2 '09 at 1:18 Brian R. Bondy 198k82474572 1 I think that #pragma only works in VC++, not in gcc. The #define trick is portable. –Gorpik Apr 2 '09 at 7:19 supoprted by gcc and vc++ –Brian R. Bondy Apr 2 '09 at 10:29 Wikipedia says #pragma once is supported by VC++ and gcc en.wikipedia.org/wiki/Pragma_once . –Max Lybbert Apr 3 '09 at 20:48 #pragma works fine with gcc.. I'm using it at this very moment after I reading about it and it solved a ton of errors! –mmoment Sep 7 '12 at 14:13 add a comment| up vote 9 down vote The error means that there is a symbol that has been defined in one place and an alternate definition has been made in another place. This can occur if in cases like: if you define two functions with the same name if there is a mismatch between a function and it's prototype

on with this one. Here error redefinition of ‘struct is the list of errors I'm receiving: In file error redefinition of 'struct iovec' included from /u/zon-d2/ugrad/jlev222/qv-mvc/nameview.h:2, from /u/zon-d2/ugrad/jlev222/qv-mvc/namefirstview.h:1, from /u/zon-d2/ugrad/jlev222/qv-mvc/main.cpp:3: /u/zon-d2/ugrad/jlev222/qv-mvc/namemodel.h:4: error: redefinition of ‘class NameModel’

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/u/zon-d2/ugrad/jlev222/qv-mvc/namemodel.h:4: error: previous definition of ‘class NameModel’ In file included from /u/zon-d2/ugrad/jlev222/qv-mvc/nameview.h:2, from /u/zon-d2/ugrad/jlev222/qv-mvc/namelastview.h:1, from /u/zon-d2/ugrad/jlev222/qv-mvc/main.cpp:4: /u/zon-d2/ugrad/jlev222/qv-mvc/namemodel.h:4: error: redefinition of ‘class NameModel’ http://stackoverflow.com/questions/707920/gcc-compiler-error-redefinition-previously-defined /u/zon-d2/ugrad/jlev222/qv-mvc/namemodel.h:4: error: previous definition of ‘class NameModel’ In file included from /u/zon-d2/ugrad/jlev222/qv-mvc/namelastview.h:1, from /u/zon-d2/ugrad/jlev222/qv-mvc/main.cpp:4: /u/zon-d2/ugrad/jlev222/qv-mvc/nameview.h:4: error: redefinition of ‘class View’ /u/zon-d2/ugrad/jlev222/qv-mvc/nameview.h:4: error: previous definition of ‘class View’ /u/zon-d2/ugrad/jlev222/qv-mvc/main.cpp: In function ‘int main(int, char**)’: /u/zon-d2/ugrad/jlev222/qv-mvc/main.cpp:10: error: variable ‘QTimer timer’ has initializer but incomplete type make[2]: *** http://www.cplusplus.com/forum/general/54356/ [CMakeFiles/qt_mvc.dir/main.o] Error 1 make[1]: *** [CMakeFiles/qt_mvc.dir/all] Error 2 make: *** [all] Error 2 I know this is a lot, but I'm only paying attention to the top, I'm hoping this is an include error, but I'm not sure. Also, I can provide the source code and headers if needed, but I warn ahead of time... they aren't huge files, but 11 in total including main.cpp. Also, it may be important to note I'm using CMake to build this, but CMake doesn't seem to have issues. Any ideas? Nov 6, 2011 at 11:32pm UTC andywestken (4007) Given the prev definitions are in the same file, it looks like you're including the same headers multiple times. So you need to add guard code 1
2
3
4
5
6
#ifndef Included_NameModel_H #define Included_NameModel_H // Existing code goes here #endif /

last months will be deleted periodically to fight SPAM! Home Help Search Login Register Wiki Code::Blocks » User forums » General (but related to Code::Blocks) » Error: redefinition http://forums.codeblocks.org/index.php?topic=20798.0 of function « previous next » Send this topic Print Pages: [1] Go Down Author Topic: Error: redefinition of function (Read 1727 times) Phrosen Single posting newcomer Posts: 7 Error: redefinition of function « on: December 21, 2015, 06:14:55 pm » I have a problem that I think is related to my IDE. I am using Codeblocks (13.12).Here's my "set up":main.c (includes 'int main()')header.h (your error redefinition typical header, includes prototypes)test.c (a random file, includes custom-made functions.)Here's the issue: All the functions works as intended, but when I compile my test.c I get an error (for each function) saying: "error: redefinition of ***"This issue doesn't affect anything, but it's annoying. I'm wondering if it's possible to get rid of it somehow? Maybe I'm doing something wrong when I'm creating my prototypes?Here's an example error redefinition of of what my functions and prototypes look like:Code: [Select]void func_showMenu(); //This is the prototype, in header.h

void func_showMenu(){
//This is the function, in test.c
}Is there some setting in Code::Blocks that can fix this issue? Logged headkase Almost regular Posts: 129 Re: Error: redefinition of function « Reply #1 on: December 21, 2015, 07:26:33 pm » Please post the complete contents of both your header and source files. If each function pair is the same then one complete pair will suffice. Make sure to include the boiler-plate code like the: define that is supposed to be in a header. « Last Edit: December 21, 2015, 07:28:07 pm by headkase » Logged stahta01 Lives here! Posts: 5393 Re: Error: redefinition of function « Reply #2 on: December 21, 2015, 09:28:05 pm » Post the complete header file; likely you did NOT guard it correctly.Edit: read this site rules. http://forums.codeblocks.org/index.php/topic,9996.0.htmlAlso, Post a full build log in code tags.Tim S. « Last Edit: December 21, 2015, 09:30:02 pm by stahta01 » Logged C Programmer working to learn more about C++ and Git.On Windows 7 64 bit and Windows 10 32 bit.On Debian Testing, compiling CB Trunk

 

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