Web Reference: This is a likely a linker error. Add the -lm switch to specify that you want to link against the standard C math library (libm) which has the definition for those functions (the header just has the declaration for them - worth looking up the difference.) Dec 22, 2025 · We’ll break down why alone isn’t enough, explore the root causes of the error, and provide step-by-step solutions to fix it. By the end, you’ll understand the difference between declarations and definitions in C, how linkers work, and how to ensure your math functions are properly linked. Dec 29, 2025 · You can fix the undefined reference to ‘sqrt’ error by appending the -lm linker option to your GCC program compilation command on Linux or Unix systems. Plus, linking the math library through the target_link_libraries ( m) in CMakeLists.txt will help resolve the error instantly.
YouTube Excerpt: Shorts.
Information Profile Overview
Error Undefined Reference To Square - Latest Information & Updates 2026 Information & Biography
Details: $8M - $30M
Salary & Income Sources
Career Highlights & Achievements
Assets, Properties & Investments
This section covers known assets, real estate holdings, luxury vehicles, and investment portfolios. Data is compiled from public records, financial disclosures, and verified media reports.
Last Updated: April 3, 2026
Information Outlook & Future Earnings
Disclaimer: Disclaimer: Information provided here is based on publicly available data, media reports, and online sources. Actual details may vary.