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Undefined Reference To Main' G++

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This include is needed for DPI. How should I deal with a difficult group and a DM that doesn't help? rundynlib - failed to load the provided library /home/ss69/DPI/libdpi.so OS MSG: /home/ss69/DPI/libdpi.so: undefined symbol: fftw_plan_dft_r2c_1d –Sandeep Aug 7 '13 at 20:26 Tried, " irun -sv_lib libdpi.so fftw_test.sv" Still results Why (in universe) are blade runners called blade runners? this contact form

User contributions on this site are licensed under the Creative Commons Attribution Share Alike 4.0 International License. Word with the largest number of different phonetic vowel sounds Does chilli get milder with cooking? 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 Show us your real code. (The downloaded source file is 73 lines, which is short enough to post here directly.) –Keith Thompson Nov 2 '11 at 4:03 The error http://stackoverflow.com/questions/7965437/undefined-reference-to-main-collect2-ld-returned-1-exit-status

Undefined Reference To Main' G++

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 yaa see View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by yaa see 07-29-2011, 07:52 AM #14 dunlopjp LQ Newbie Registered: Apr Right code is like this: #include int main(int argc, char**argv) /// <<==-- here is a correct definition { printf("Whatever you want\n"); return 0; } share|improve this answer answered Jul 30 Why must the speed of light be the universal speed limit for all the fundamental forces of nature?

also could elaborate on last step a bit? # then call ${SVTOOL} again for simulation with libdpi.so –Sandeep Aug 7 '13 at 17:18 '-O2' is a level 2 optimizer. This applies regardless to whatever sort of output is being produced, whether it be an executable file, an object file, an assembler file or preprocessed C code. Frey Definitions Commonly used words and phrases found in the compiler and linker error messages. Undefined Reference To Main C++ Does a survey require an ethical approval?

In the latter case compile with -c: g++ somefile.cpp -o output.o -c Last edited by MadCow108; December 29th, 2010 at 11:20 PM. Undefined Reference To Main In C 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 Does chilli get milder with cooking? http://stackoverflow.com/questions/18086992/undefined-reference-to-main-in-c Try to indent your file, it will be more readable to you... –Basile Starynkevitch Dec 2 '11 at 6:40 @Basile Starynkevitch: I have a main.

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 Undefined Reference To Main' Makefile Find More Posts by Dave Kelly 11-19-2005, 07:31 PM #8 deiussum Member Registered: Aug 2003 Location: Santa Clara, CA Distribution: Slackware Posts: 895 Rep: I'm guessing your main is It means, gcc will put the output in the filename provided immediate next to -o switch. Radius of Convergence of Infinite Series Anyone Understand how the chain rule was applied here?

Undefined Reference To Main In C

so after creating shared library, I tried to simulate it with "irun -snshlib libdpi.so" but I am getting an error, it doent recognized fftw functions.. Are the words "expression" and "term" interchangeable in programming language theory? Undefined Reference To Main' G++ Hot Network Questions In the United States is racial, ethnic, or national preference an acceptable hiring practice for departments or companies in some situations? Undefined Reference To `main' Error In C What sense of "hack" is involved in "five hacks for using coffee filters"?

Is it plausible for my creature to have similar IQ as humans? weblink If not, your problem is very strange. And it looks like you may have main() in the header file and the function defs in the source (.c*) file.. Export The $PATH Variable, Line-By-Line Why must the speed of light be the universal speed limit for all the fundamental forces of nature? In Function `_start': (.text+0x20): Undefined Reference To `main'

You are currently viewing LQ as a guest. Woops. –Nicole Apr 9 '13 at 15:05 Or just remove the -o option and use the conventional ./a.out, which is a beautiful name ;) –Tomasz Gandor Aug 5 '14 If your running a 64-bit simulator then add '-m64' to the gcc at the compile stage. http://xhpcreations.com/undefined-reference/undefined-reference-to-main-in-function-start.html Every binary must define main.

Filter columns basing on the value of other column Export The $PATH Variable, Line-By-Line Why can't we use the toilet when the train isn't moving? (.text+0x20) Undefined Reference To Main' Gcc asked 3 years ago viewed 46443 times active 1 year ago Visit Chat Related 1Error linking with gcc1Cuda mixed C project linking1undefined reference to `main' in C-2Undefined reference to ''main" in What you might need to do is compile this routine into a library, even a static lib.

Check that the files are properly created and where, as I think you aren't compiling that file anyway.

Why does the state remain unchanged in the small-step operational semantics of a while loop? I compiled with the following arguments: gcc -std=c99 -O2 -DCONTEST -s -static -lm children.c But in linux I getting the following error: /usr/lib/gcc/i486-linux-gnu/4.7/../../../i386-linux-gnu/crt1.o: In function `_start': (.text+0x18): undefined reference to `main' ostreams must be passed by reference. comparison between signed and unsigned integer expressions Example xyz.cpp: In function `int main()': zyz.cpp:54: warning: comparison between signed and unsigned integer expressions Meaning This In Function Start Undefined Reference To Main What sense of "hack" is involved in "five hacks for using coffee filters"?

Implementation of a generic List Why (in universe) are blade runners called blade runners? Join Date Aug 2007 Location PA Beans 363 DistroUbuntu 10.04 Lucid Lynx undefined reference to `main' -- but main is defined hey all, I have a very simple C++ program: Code: Any ideas? his comment is here Adv Reply December 29th, 2010 #3 MadCow108 View Profile View Forum Posts Private Message I Ubuntu, Therefore, I Am Join Date Apr 2009 Location Germany Beans 2,134 DistroUbuntu Development Release

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