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use FetchContent instead

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This commit is contained in:
nicole mazzuca 2021-08-03 15:10:53 -07:00 committed by Patricia Aas
parent eaf61585ea
commit c3440d7eba
1 changed files with 18 additions and 22 deletions
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40
CMakeLists.txt
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@ -1,29 +1,25 @@
cmake_minimum_required(VERSION 3.17) cmake_minimum_required(VERSION 3.17)
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/toolchain.cmake") include(FetchContent)
FetchContent_Declare(
vcpkg
GIT_REPOSITORY https://github.com/microsoft/vcpkg
GIT_TAG 1257354a3ab0bebd8abe95281ca561537853578c
)
find_package(Git QUIET) if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
if (GIT_FOUND AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git") FetchContent_GetProperties(vcpkg
# Update submodules as needed POPULATED vcpkg_POPULATED
option(GIT_SUBMODULE "Check submodules during build" ON) SOURCE_DIR vcpkg_SOURCE_DIR)
if (GIT_SUBMODULE) if(NOT vcpkg_POPULATED)
message(STATUS "Submodule update") FetchContent_Populate(vcpkg)
execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive endif()
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
RESULT_VARIABLE GIT_SUBMOD_RESULT)
if (NOT GIT_SUBMOD_RESULT EQUAL "0")
message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
endif ()
endif ()
endif ()
if (NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/vcpkg/LICENSE.txt") set(CMAKE_TOOLCHAIN_FILE
message(FATAL_ERROR "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.") "${vcpkg_SOURCE_DIR}/scripts/buildsystems/vcpkg.cmake")
endif () set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/toolchain.cmake")
#This needs to be set before project() endif()
set(CMAKE_TOOLCHAIN_FILE ${CMAKE_CURRENT_SOURCE_DIR}/vcpkg/scripts/buildsystems/vcpkg.cmake
CACHE STRING "Vcpkg toolchain file")
enable_language(CXX) enable_language(CXX)
project(pacman) project(pacman)