gcc error undefined reference to main Verona Beach New York

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gcc error undefined reference to main Verona Beach, New York

Probably that you have failed to include a definition of main. Hope that helps! Think of it like changing basic variable names, they are just parameters in a function, which happens to be main, so thats not the problem. i.e.

What would be the atomic no. Join our community today! In Harry Potter book 7, why didn't the Order flee Britain after Harry turned seventeen? Browse other questions tagged c linux gcc or ask your own question.

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Probably that you have failed to include a definition of main. How does NumPy solve least squares for underdetermined systems? If your simulator is 32-bit running a a 64-bit machine, then you might want to use '-m32' instead. –Greg Aug 7 '13 at 19:20 I added -m64 option while Why is water evaporated from the ocean not salty?

You have a lot of layout issues, though. Animal Shelter in Java Is it illegal for regular US citizens to possess or read documents leaked by Wikileaks? To compile only to an object file, use the -c option: gcc es3.c -c gcc es3.o main.c -o es3 The above compiles es3.c to an object file, then compiles a file Then, you would point SystemVerilog at the shared object. (I don't use SystemVerilog, but that is what I gather from its web page.) gcc -shared -fPIC -g -Wall -Werror \ -I/home/ss69/fftw/local/include

If this is the case then consult your GCC documentation on how to create a static or dynamic lib. Also, the tutorial has the following import statement: import "DPI" function void slave_write(input int address, input int data); This SystemVerilog statement obviously has input defs on the parameters, is this required? 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 Culture / Recreation Search this Thread 11-19-2005, 01:03 PM #1 [email protected] Member Registered: Sep 2005 Posts: 118 Rep: Getting undefined reference to main error??

I have compiled your source with the following command line without any problem, but I do have support for statically linked executables and perhaps you don't (the command line I have You are compiling a DPI library to be used with a SystemVerilog simulator. In the United States is racial, ethnic, or national preference an acceptable hiring practice for departments or companies in some situations? It basically involved library issues and other small things like that!

If not, your problem is very strange. Here is my code #include #include #include #include #include void fftw(double FFT_in[],int size) { double *IFFT_out; int i; fftw_complex *middle; fftw_plan fft; fftw_plan ifft; middle = If it doesn't, you don't have a null region of memory that _start defines in the binary, which means your program can't start! Thanks.

asked 4 years ago viewed 85199 times active 6 months ago Linked 2 undefined reference to 'main' when compiling -1 Linking errors (collect2: ld returned 1) Related 1Compile Attempt Gives crt1.o/'start'/undefined Just like: int main() { return 0; } share|improve this answer answered Mar 27 at 14:53 贫贫贫贫僧 11 add a comment| protected by Community♦ Oct 2 at 20:15 Thank you for How to deal with sewage on a map with no water anywhere Implementation of a generic List Physically locating the server Does chilli get milder with cooking? Adv Reply September 25th, 2010 #5 Kareta View Profile View Forum Posts Private Message 5 Cups of Ubuntu Join Date Sep 2010 Location Beans 40 Re: Undefined reference to

Since we cannot verify the remote system is indeed doing what it claims it's doing, the situation is more or less hopeless. 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; } below is the complete error message: irun: *E,SNLDLIB: Unable able to load the dynamic library /home/ss69/DPI/libdpi.so. Browse other questions tagged c linker or ask your own question.

Also, use CFLAGS for C (instead of CCFLAGS which could be mistaken for C++). –Shahbaz Dec 11 '13 at 9:46 And more: Add .PHONY: all clean debug and other Is there any job that can't be automated? It's the reason in java for variances in the static main function, which allows it to compile universally without problems. Compute the kangaroo sequence Animal Shelter in Java What (combination of) licenses is popular for public/shared proprietary software (“Feel free to contribute, but only we can make commercial use”)?

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 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 If this is the case then adding main() isn't going to help, at all. Also I have a run file to run system verilog and C using irun command.

Adv Reply September 25th, 2010 #6 Bachstelze View Profile View Forum Posts Private Message Visit Homepage Over 9000 Cups of Ubuntu Join Date Nov 2005 Location Bordeaux, France Beans 11,294 The 2nd step links those into the final binary. Would you like to answer one of these unanswered questions instead? See below hello world demo. #include int main(void) { printf("Hello world!\n"); return 0; } As you can see there is a main function.

If so, what are you trying to learn C from? For me in both case, this means that the system is unable to locate the static stub. Its telling you exactly what is wrong. Why was the identity of the Half-Blood Prince important to the story?

You need to run : gcc -o runexp.out runexp.o scd.o data_proc.o -lm -fopenmp runexp.out will be you binary file. Of course, I'm assuming you use a GNU/Linux system (and I invite you to use GNU/Linux if you don't use it already). Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started Last edited by worksofcraft; September 25th, 2010 at 09:12 PM.

Where does that fit in the syntax? I prefer to always compile all DPI methods outside of the SystemVerilog compiler. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). Your problem is that you do not have the object file which contains your main function, so the linker is giving you an undefined reference error.

Security Patch SUPEE-8788 - Possible Problems? With the passing of Thai King Bhumibol, are there any customs/etiquette as a traveler I should be aware of? Join them; it only takes a minute: Sign up C Linking Error: undefined reference to 'main' up vote 11 down vote favorite I have read the other answers on this topic, No reason for a forward declaration of main() just I get everything in place –Nikos KLon Jan 15 '15 at 12:12 What is -DCONTEST for, I don't see that

When I use my gcc 4.8.1 compiler in Widows everything worked and my program too.