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# This file is part of the MinGfx cmake build system.
# See the main MinGfx/CMakeLists.txt file for authors, copyright, and license info.
# Calling CMAKE_CURRENT_LIST_DIR inside a function returns the list dir of the calling script
# but we want the list dir of this file in order to find the DownloadHelper.txt.in file, which
# should be stored right next to this one. So, defining this variable outside the scope of the
# functions below.
set(DIR_OF_THIS_FILE ${CMAKE_CURRENT_LIST_DIR})
# Usage:
# ExternalProject_Download(
# # This first argument is the name of the project to download. It is required:
# glm
#
# # Additional arguments specify how to download the project using GIT, SVN, CVS, or URL.
# # These can be any of the arguments used for the downloading step of the cmake builtin
# # ExternalProject_Add command.
# GIT_REPOSITORY "https://github.com/g-truc/glm.git"
# GIT_TAG master
# etc..
# )
function(ExternalProject_Download EXT_PROJECT_NAME DOWNLOAD_DIR)
include(MessageMacros)
h1("BEGIN EXTERNAL PROJECT DOWNLOAD (${EXT_PROJECT_NAME}).")
h2("Creating a download helper project for ${EXT_PROJECT_NAME}.")
set(DOWNLOAD_OPTIONS ${ARGN})
string (REGEX REPLACE "(^|[^\\\\]);" "\\1 " DOWNLOAD_OPTIONS "${DOWNLOAD_OPTIONS}")
file(MAKE_DIRECTORY ${DOWNLOAD_DIR}/${EXT_PROJECT_NAME})
configure_file(
${DIR_OF_THIS_FILE}/DownloadHelper.txt.in
${DOWNLOAD_DIR}/${EXT_PROJECT_NAME}/download-helper/CMakeLists.txt
)
h2("Generating build files for the ${EXT_PROJECT_NAME} download helper project.")
execute_process(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" . WORKING_DIRECTORY "${DOWNLOAD_DIR}/${EXT_PROJECT_NAME}/download-helper")
h2("Building the ${EXT_PROJECT_NAME} download helper project. (This actually performs the download and may take some time...)")
execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${DOWNLOAD_DIR}/${EXT_PROJECT_NAME}/download-helper")
h2("Completed download of external project ${EXT_PROJECT_NAME}.")
endfunction()
# Usage:
# ExternalProject_BuildAndInstallNow(
# # This first argument is the name of the external project to download. It is required:
# VRPN
# # This second argument is the relative path from ${EXTERNAL_DIR_NAME}/projectname/ to the project's
# # main CMakeLists.txt file:
# src
#
# # Additional arguments are passed on as options to the cmake build file generator
# -DVRPN_BUILD_DIRECTSHOW_VIDEO_SERVER=OFF
# -DVRPN_BUILD_HID_GUI=OFF
# etc..
# )
function(ExternalProject_BuildAndInstallNow EXT_PROJECT_NAME DOWNLOAD_DIR RELPATH_TO_CMAKELISTS)
include(MessageMacros)
h1("BEGIN EXTERNAL PROJECT BUILD AND INSTALL (${EXT_PROJECT_NAME}).")
# any extra args to the function are interpreted as arguments for the cmake config process
set(CMAKE_CONFIG_OPTIONS ${ARGN})
# always set the install prefix to be the same as for the main project
list(APPEND CMAKE_CONFIG_OPTIONS -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX})
#string (REGEX REPLACE "(^|[^\\\\]);" "\\1 " CMAKE_CONFIG_OPTIONS "${CMAKE_CONFIG_OPTIONS}")
set(SRC_DIR "${DOWNLOAD_DIR}/${EXT_PROJECT_NAME}/${RELPATH_TO_CMAKELISTS}")
set(BUILD_DIR "${CMAKE_BINARY_DIR}/external/${EXT_PROJECT_NAME}")
file(MAKE_DIRECTORY ${BUILD_DIR})
h2("Generating build files for external project ${EXT_PROJECT_NAME}.")
message(STATUS "Using source dir: ${SRC_DIR}")
message(STATUS "Using build dir: ${BUILD_DIR}")
message(STATUS "Config options: ${CMAKE_CONFIG_OPTIONS}")
execute_process(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" ${SRC_DIR} ${CMAKE_CONFIG_OPTIONS} WORKING_DIRECTORY ${BUILD_DIR})
h2("Building external project ${EXT_PROJECT_NAME}. (This may take some time...)")
execute_process(COMMAND "${CMAKE_COMMAND}" --build ${BUILD_DIR} --target install)
h2("Completed external build of ${EXT_PROJECT_NAME}.")
endfunction()
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