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Link Error Undefined Reference To Main

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It tells the compiler to give you (almost) all warnings. Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. read-only structure -- refers to a const object. Oct 6 '06 #5 P: n/a jjds101 owolablo wrote: I have actually included a definition to main.My project has two source files and the main functions in both of them are http://globalinfoindex.com/undefined-reference/link-error-undefined-reference.php

This is usually NOT what you meant to do. I'll go and try what you're saying thanks..! –Bran Stark Nov 1 '11 at 16:28 add a comment| up vote 2 down vote Executable file needs a main function. Linker errors occur when g++ tries to combine all of your .o files into an executable file. Find More Posts by Dave Kelly 11-19-2005, 05:52 PM #6 [email protected] Member Registered: Sep 2005 Posts: 118 Original Poster Rep: Variable names are not interdependent on execution. http://stackoverflow.com/questions/15905119/c-linking-error-undefined-reference-to-main

Undefined Reference To Main Gcc

Wed, 03/18/2015 - 23:53 hi, I am building Gromacs 5.0.4 with intel compilers. What is this shrub/plant? What "actually" happens at T-minus-0 Using Promarker blender for copic Can someone take my Wi-Fi signal DOWN?

Either post the code as part of your question, or narrow it down to a small example that illustrates the problem and post that. –Keith Thompson Nov 2 '11 at 3:58 By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. To learn what preprocessing is doing, try gcc -C -E es3.c > es3.i then look with an editor into the generated file es3.i (and search main inside it). Undefined Reference To Main Makefile Mistro116 [email protected] View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by [email protected] 11-19-2005, 06:15 PM #7 Dave Kelly Member Registered: Aug

Can you benefit from a second casting of Armor of Agathys while the first is still active? Undefined Reference To Main In Function _start Did Pokemon start off as a Manga? Where is your main function? 0 members found this post helpful. http://stackoverflow.com/questions/7965437/undefined-reference-to-main-collect2-ld-returned-1-exit-status Dynamic SOQL query more hot questions question feed lang-c about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts

Browse other questions tagged c++ makefile or ask your own question. Undefined Reference To Main Error In C It's kind of awkward. Dave Kelly View Public Profile View LQ Blog View Review Entries View HCL Entries Visit Dave Kelly's homepage! e.g.

Undefined Reference To Main In Function _start

You probably don't want to link 2 main functions together. http://www.linuxquestions.org/questions/programming-9/getting-undefined-reference-to-main-error-384667/ I completely did not notice. Undefined Reference To Main Gcc Note that this warning does not appear unless you use the -ansi -Wall switches as you are required to do. Undefined Reference To Main C++ I wrote the following subclass for my main program: Code: #include #include #include "function.h" #define READFILE "r" #define WRITEFILE "w" #define WORDARRAYSIZE 16 #define MAXIMUMWORDCHARACTERS 15 void CreateWordList (char

The -g flag is important also, because it asks gcc to put debugging information in the object file and the executable. http://globalinfoindex.com/undefined-reference/link-error-undefined-reference-to-vtable.php Click Here to receive this Complete Guide absolutely free. If you have included such a definition, post it, and we can take a look. thanks in advance. Undefined Reference To Main G++

Password Programming This forum is for all programming questions. c++ makefile share|improve this question edited Jun 27 '12 at 11:26 razlebe 5,96763249 asked Jun 27 '12 at 11:24 nic 45115 I like how the makefile is several times What is this shrub/plant? http://globalinfoindex.com/undefined-reference/link-error-undefined-reference-to.php See the -c command-line switch.

please use $ objdump -t es3.o to check if there is a main symbol. Undefined Reference To Main Assembly Dynamic SOQL query Why are the railings in Rivendell so low? Is it possible to have ONE Field that performs two separate functions (formulas) for two different Record Type Opportunities?

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Your problem would seem to be that you have multiple executables in the same project, and that one or more of them does not have a main. This phrase indicates that you have a linker (ld) error, not a compiler error. share|improve this answer answered Jun 27 '12 at 11:41 fljx 1,61711632 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign In Function Start Undefined Reference To Main To get the list of symbols in an object file or an executable, you can use nm.

When the compiler says no main, he should trust the compiler!! –Basile Starynkevitch Dec 2 '11 at 7:02 add a comment| up vote 0 down vote One possibility which has not Best regards, Tom Oct 6 '06 #3 P: n/a Victor Bazarov owolablo wrote: I'm making a project involving some C++ source files. Log in to post comments Judith W. (Intel) Fri, 06/15/2012 - 13:27 If you're trying to create a shared library don't you need to use the options -shared -Wl,soname,libsem.so instead of navigate here Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ

yaa see and dunlopjp... At some point, of course, you'll need a program that uses your class. What is this aircraft with elaborate folding wings? Hot Network Questions Is the equation pH+pOH=14 still valid at a different temperature?

Students trying to negotiate away penalties for late submission of coursework Why didn't Hans Gruber know what Mr. I don't understand why It says that there's no main function... :/ –Bran Stark Nov 1 '11 at 12:27 add a comment| up vote 7 down vote Perhaps your main function Not the answer you're looking for? Go back to basics and read Section 1.1 of The C Programming Language by K&R.

How to proceed in light of peer-review confidentiality? What is the inner cover of the winter shoes called in English? Join them; it only takes a minute: Sign up C++ Error: undefined reference to `main' up vote 5 down vote favorite 2 I'm working on a simple class List, but when if you don't have this main function, ld will report "undefined reference to main' " check my result: $ cat es3.c #include int main(void) { printf("Hello world!\n"); return 0; }

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed It keeps popping up the following error: /usr/lib/gcc/i386-redhat-linux/4.0.0/../../../crt1.o(.text+0x18): In function `_start': >undefined reference to `main' collect2: ld returned 1 exit status This happens whether I compile the code using a makefile An executable needs to have an entry point, thereby the linker complains. How to distinguish between American Indians and Indian Indians in native English (language) parlance?

Mistro116 [email protected] View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by [email protected] 11-19-2005, 02:41 PM #4 xhi Senior Member Registered: Mar