Why Can\'t I Compile CGO Libraries on Cygwin64 and How Do I Fix the \'ld: cannot find -lmingw32\' Error?

Resolving "ld: cannot find -lmingw32" Error When Compiling CGO Library on Cygwin64

When attempting to incorporate the github.com/mattn/go-sqlite3 CGO library into your project on Windows using Cygwin64, you may encounter the following error:

/usr/lib/gcc/x86_64-pc-cygwin/5.3.0/../../../../x86_64-pc-cygwin/bin/ld: cannot find -lmingwex
/usr/lib/gcc/x86_64-pc-cygwin/5.3.0/../../../../x86_64-pc-cygwin/bin/ld: cannot find -lmingw32

This error stems from the inability of Cygwin64 to locate the required MS Windows MinGW libraries.

Alternative Solution:

Instead of relying on Cygwin64, consider using TDM MinGW-w64, an alternative MingW distribution for Windows systems.

Steps to Resolve Using TDM MinGW-w64:

1. Download TDM MinGW-w64: Visit the official website (http://tdm-gcc.tdragon.net/download) and download the latest MinGW-w64 distribution.
2. Extract and Install: Extract the downloaded TDM MinGW-w64 archive to a directory of your choice (e.g., C:TDM-GCC-64).
3. Update PATH: To use TDM MinGW-w64's tools, modify your system PATH environment variable to point to the bin directory of your TDM installation (e.g., C:TDM-GCC-64bin).
4. Retry Installation: Once the PATH is updated, try rerunning the command go get github.com/mattn/go-sqlite3.

This alternative approach should successfully resolve the issue you are facing.

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