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# Copyright Louis Dionne 2013-2017
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#
#
# This CMake module finds the MPL11 include directory. This module sets the
# following CMake variables:
#
# MPL11_FOUND
# Set to 1 when the MPL11 include directory is found, 0 otherwise.
#
# MPL11_INCLUDE_DIR
# If the MPL11 include directory is found, this is set to the path of that
# directory. Otherwise, this is not set.
#
#
# The following variables can be used to customize the behavior of the module:
#
# MPL11_INCLUDE_DIR
# The path to the MPL11 include directory. When set, this will be used as-is.
#
# MPL11_CLONE_IF_MISSING
# If the MPL11 include directory can't be found and this is set to true,
# the MPL11 project will be cloned locally.
if (NOT EXISTS "${MPL11_INCLUDE_DIR}")
find_path(MPL11_INCLUDE_DIR NAMES boost/mpl11/mpl11.hpp
DOC "MPL11 library header files")
endif()
if (NOT EXISTS "${MPL11_INCLUDE_DIR}" AND MPL11_CLONE_IF_MISSING)
include(ExternalProject)
ExternalProject_Add(MPL11 EXCLUDE_FROM_ALL 1
GIT_REPOSITORY https://github.com/ldionne/mpl11
TIMEOUT 5
CMAKE_ARGS -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
PREFIX "${CMAKE_CURRENT_BINARY_DIR}"
BUILD_COMMAND "" # Disable build step
INSTALL_COMMAND "" # Disable install step
TEST_COMMAND "" # Disable test step
)
ExternalProject_Get_Property(MPL11 SOURCE_DIR)
set(MPL11_INCLUDE_DIR "${SOURCE_DIR}/include")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(MPL11 DEFAULT_MSG MPL11_INCLUDE_DIR)
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