vcpkg/ports/nccl/portfile.cmake
Jacob Kahn ac9da2cd77
[nccl] Remove NCCL auto-download due to licensing issues (#17431)
* [nccl] Only download if compatible with found CUDA version

* add-version

* Remove auto-download

* Remove windows branch

* Ran x-add-version --overwrite-version

* Add hardcoded find hints in /usr

* Fix version.

Co-authored-by: Billy Robert ONeal III <bion@microsoft.com>
2021-05-06 14:19:52 -07:00

20 lines
840 B
CMake

vcpkg_fail_port_install(ON_TARGET "Windows" "OSX" ON_ARCH "x86" "arm")
# Find NCCL. We can use FindNCCL directly since it doesn't call any functions
# that are disallowed in CMake script mode
set(MINIMUM_NCCL_VERSION "2.4.6.1")
set(NCCL_PREV_MODULE_PATH ${CMAKE_MODULE_PATH})
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
find_package(NCCL ${MINIMUM_NCCL_VERSION})
set(CMAKE_MODULE_PATH ${NCCL_PREV_MODULE_PATH})
# Download or return
if(NCCL_FOUND)
message(STATUS "Using NCCL ${_NCCL_VERSION} located on system.")
set(VCPKG_POLICY_EMPTY_PACKAGE enabled)
else()
message(FATAL_ERROR "Please install NCCL using your system package manager (the same way you installed CUDA). For example: apt install libnccl2 libnccl-dev.")
endif()
file(INSTALL "${CURRENT_PORT_DIR}/usage" DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})