I tried the static build now with **nim c -d:modbusGit -d:modbusStatic modbus.nim**.
What version of Nim are you using? **devel** (couple of days old) on Windows 10 x64 Also, how did you install nimterop? Manually cloned nimterop branch **v020** from github and ran **nimble install**. Did you change currentSourcePath()? Tried **currentSourcePath()** and a fixed path, both throw: Hint: paths [Processing] Hint: types [Processing] # Setting up Git repo: https://github.com/stephane/libmodbus # Pulling repository stack trace: (most recent call last) C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(575, 32) C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(497, 11) buildLibrary C:\Nim\lib\system\assertions.nim(27, 20) failedAssertImpl C:\Nim\lib\system\assertions.nim(20, 11) raiseAssert C:\Nim\lib\system\fatal.nim(39, 5) sysFatal D:\VISTA_NAMIZJE\NIM\testing\libmodbus\modbus.nim(12, 10) template/generic instantiation of `getHeader` from here C:\Nim\lib\system\fatal.nim(39, 5) Error: unhandled exception: C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(497, 12) `cmakeDeps or conDeps` # Build configuration failed - No build files found in D:/VISTA_NAMIZJE/NIM/testing/libmodbus/build/libmodbus/ [AssertionError] Run If I manually clone the **libmodbus** into **... /build/libmodbus** I get: Hint: paths [Processing] Hint: types [Processing] # Resetting D:/VISTA_NAMIZJE/NIM/testing/libmodbus/build/libmodbus/ stack trace: (most recent call last) C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(569, 23) C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(383, 10) getGitPath C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(169, 13) gitPull C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(140, 19) gitReset C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(27, 11) execAction C:\Nim\lib\system\assertions.nim(27, 20) failedAssertImpl C:\Nim\lib\system\assertions.nim(20, 11) raiseAssert C:\Nim\lib\system\fatal.nim(39, 5) sysFatal D:\VISTA_NAMIZJE\NIM\testing\libmodbus\modbus.nim(12, 10) template/generic instantiation of `getHeader` from here C:\Nim\lib\system\fatal.nim(39, 5) Error: unhandled exception: C:\Users\matic\.nimble\pkgs\nimterop-0.1.0\nimterop\build.nim(27, 12) `ret == 0` Command failed: (128, false) ccmd: cmd /c cd D:/VISTA_NAMIZJE/NIM/testing/libmodbus/build/libmodbus/ && git reset --hard result: fatal: not a git repository (or any of the parent directories): .git [AssertionError] Run