if (APPLE) elseif (WIN32) ExternalProject_Add(argtable2 GIT_REPOSITORY https://github.com/debris/argtable.git GIT_TAG master BINARY_DIR argtable2-prefix/src/argtable2 CONFIGURE_COMMAND cmake . BUILD_COMMAND devenv argtable2.sln /build release INSTALL_COMMAND cmd /c cp src/Release/argtable2.lib ${ETH_DEPENDENCY_INSTALL_DIR}/lib && cp src/argtable2.h ${ETH_DEPENDENCY_INSTALL_DIR}/include ) else() endif()