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make the install location for the generated cmake files configurable
By default the cmake files are installed to "<prefix>/lib/cmake/cppformat". This can now be customized using the `FMT_CMAKE_DIR` cache variable. Valid paths are documented in the cmake manual [1]. e.g., install the cmake files to "<prefix>/share/cmake/cppformat" ``` cmake -DFMT_CMAKE_DIR=share/cmake/cppformat <path-to-source> ``` Tip: Try `make package` to examine the result. [1] https://cmake.org/cmake/help/v3.0/command/find_package.html
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@ -45,7 +45,8 @@ endif ()
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# Install targets.
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if (FMT_INSTALL)
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include(CMakePackageConfigHelpers)
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set(config_install_dir lib/cmake/cppformat)
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set(FMT_CMAKE_DIR lib/cmake/cppformat CACHE STRING
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"Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.")
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set(version_config ${PROJECT_BINARY_DIR}/cppformat-config-version.cmake)
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set(project_config ${PROJECT_BINARY_DIR}/cppformat-config.cmake)
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set(targets_export_name cppformat-targets)
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@ -66,14 +67,14 @@ if (FMT_INSTALL)
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configure_package_config_file(
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${PROJECT_SOURCE_DIR}/support/cmake/cppformat-config.cmake.in
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${project_config}
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INSTALL_DESTINATION ${config_install_dir})
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INSTALL_DESTINATION ${FMT_CMAKE_DIR})
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export(TARGETS ${INSTALL_TARGETS} FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake)
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# Install version, config and target files.
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install(
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FILES ${project_config} ${version_config}
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DESTINATION ${config_install_dir})
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install(EXPORT ${targets_export_name} DESTINATION ${config_install_dir})
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DESTINATION ${FMT_CMAKE_DIR})
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install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR})
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# Install the library and headers.
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install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} DESTINATION ${FMT_LIB_DIR})
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