undefined reference to sqrt

This is a discussion on undefined reference to sqrt within the C Programming forums, part of the General Programming Boards category; hi, I am using Fedora 7 with eclipe and I have the same problem with the sqrt do anyone know ...

  1. #1
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    Angry undefined reference to sqrt

    hi,

    I am using Fedora 7 with eclipe and I have the same problem with the sqrt

    do anyone know how to includ the -lm in the make file ?


    yeah , one more thing when I want to compile my code I just do make in the console and it generates for me the file ( but it gives me along with it this error)

    Undefined reference to sqrt

    << split from dead thread - http://cboard.cprogramming.com/c-pro...ence-sqrt.html >>

  2. #2
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    Add "-lm" to the line in the makefile where you are compiling the source file. If you have something like
    Code:
    gcc foo.c -o foo
    then make it
    Code:
    gcc foo.c -o foo -lm
    Code:
    >+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-]>++++++++[<++++>-] <.>+++++++++++[<++++++++>-]<-.--------.+++.------.--------.[-]>++++++++[<++++>- ]<+.[-]++++++++++.

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