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cmake_helpers/external/variant/CMakeLists.txt
Vitaly Zaitsev 7b5d3e01c0 Find and use packaged version of expected header-only library.
Enabled by default when `DESKTOP_APP_USE_PACKAGED` is used. Can be
overriden by `-DDESKTOP_APP_USE_PACKAGED_EXPECTED:BOOL=OFF`.

Signed-off-by: Vitaly Zaitsev <vitaly@easycoding.org>
2020-02-05 00:41:19 +04:00

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CMake

# This file is part of Desktop App Toolkit,
# a set of libraries for developing nice desktop applications.
#
# For license and copyright information please follow this link:
# https://github.com/desktop-app/legal/blob/master/LEGAL
add_library(external_variant INTERFACE IMPORTED GLOBAL)
add_library(desktop-app::external_variant ALIAS external_variant)
if (DESKTOP_APP_USE_PACKAGED_VARIANT)
find_path(VARIANT_INCLUDE_DIRS mapbox/variant.hpp)
if (NOT VARIANT_INCLUDE_DIRS)
message(FATAL_ERROR "Packaged version of mapbox-variant library not found!")
endif()
else()
target_include_directories(external_variant SYSTEM
INTERFACE
${third_party_loc}/variant/include
)
endif()