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Just posted a simple c code and gotten this error message. can anyone explain where the problem could be?

ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) mac@MACs-MacBook-Pro-2 C % cd "/Users/mac/C/" && g++ tes.c++ -o tes && "/Users/mac/C/"tes Undefined symbols for architecture x86_64: "_main", referenced from: implicit entry/start for main executable
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  • you have to compile with gcc and not g++ Commented Mar 4, 2021 at 23:47
  • Please show your code. Commented Mar 4, 2021 at 23:48
  • "Undefined symbol main" usually means you're missing the critical main() function. Commented Mar 4, 2021 at 23:49
  • Thank you all for the answers. I'm actually new in programming.. here is the code, it just a basic 'hello world' algorithm #include <stdio.h> int main() { printf("Hello, World!"); return 0; } Commented Mar 6, 2021 at 0:29
  • @kaylum please take a look Commented Mar 6, 2021 at 0:30

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you have to compile with gcc and not g++, g++ is to compile .cpp or .cc files

gcc tes.c++ -o tes
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Last login: Fri Mar 5 02:23:16 on ttys002 mac@MACs-MacBook-Pro-2 ~ % gcc clang: error: no input files mac@MACs-MacBook-Pro-2 ~ % ... Here is the message from my terminal, I thought gcc compiler was installed successfully too. I initially installed g++ and I did the same for gcc , I don't know where the problem is , please help
cd Users/mac/C/ && gcc tes.c -o tes && ./Users/mac/C/tes
or, if your file is a c++ file: cd Users/mac/C/ && g++ tes.cpp -o tes && ./Users/mac/C/tes NB: c++ files have .cpp extension file name and not .c++

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