if(MSVC) ExternalProject_Add(libiconv URL ${LIBICONV_URL} URL_HASH SHA256=${LIBICONV_SHA256} DOWNLOAD_NO_PROGRESS TRUE DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/libiconv PATCH_COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/cmake/LibiconvCMakeLists.txt ${DEPS_BUILD_DIR}/src/libiconv/CMakeLists.txt CMAKE_ARGS ${DEPS_CMAKE_ARGS} CMAKE_CACHE_ARGS ${DEPS_CMAKE_CACHE_ARGS}) else() message(FATAL_ERROR "Trying to build libiconv in an unsupported system ${CMAKE_SYSTEM_NAME}/${CMAKE_C_COMPILER_ID}") endif()