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Merge pull request #1746 from uhoreg/cmake_arch_indep

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make CMake's version config file architecture-independent
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Niels Lohmann 2020-04-19 10:09:28 +02:00 committed by GitHub
commit be137609df
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2 changed files with 27 additions and 2 deletions
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9
CMakeLists.txt
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@ -89,8 +89,13 @@ endif()
## install header files, generate and install cmake config files for find_package()
##
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE} COMPATIBILITY SameMajorVersion
# use a custom package version config file instead of
# write_basic_package_version_file to ensure that it's architecture-independent
# https://github.com/nlohmann/json/issues/1697
configure_file(
"cmake/nlohmann_jsonConfigVersion.cmake.in"
${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
@ONLY
)
configure_file(
${NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE}

20
cmake/nlohmann_jsonConfigVersion.cmake.in Normal file
View File

@ -0,0 +1,20 @@
# This is essentially cmake's BasicConfigVersion-SameMajorVersion.cmake.in but
# without the 32/64-bit check. Since json is a header-only library, it doesn't
# matter if it was built on a different platform than what it is used on (see
# https://github.com/nlohmann/json/issues/1697).
set(PACKAGE_VERSION "@PROJECT_VERSION@")
if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
if(PACKAGE_FIND_VERSION_MAJOR STREQUAL "@PROJECT_VERSION_MAJOR@")
set(PACKAGE_VERSION_COMPATIBLE TRUE)
else()
set(PACKAGE_VERSION_COMPATIBLE FALSE)
endif()
if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
set(PACKAGE_VERSION_EXACT TRUE)
endif()
endif()