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Ensure exported package is relocatable

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As per CMake's Importing and Exporting Guide[1],
configure_package_config_file() should be used for configuring the
package configuration file, not the regular configure_file() function.

This ensures that a spdlog package built on one system (with a given
directory tree) can be imported from a different system -
e.g. creating a pre-compiled spdlog package for use on different
systems.

[1]: https://cmake.org/cmake/help/git-stage/guide/importing-exporting/index.html#id8
This commit is contained in:
Dave Rigby 2021-08-04 14:47:18 +01:00
parent dd6d203488
commit 87095a9f1f
2 changed files with 6 additions and 1 deletions
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3
CMakeLists.txt
View File

@ -307,7 +307,8 @@ if(SPDLOG_INSTALL)
install(EXPORT spdlog DESTINATION ${export_dest_dir} NAMESPACE spdlog:: FILE ${config_targets_file})
include(CMakePackageConfigHelpers)
configure_file("${project_config_in}" "${project_config_out}" @ONLY)
configure_package_config_file("${project_config_in}" "${project_config_out}"
INSTALL_DESTINATION ${export_dest_dir})
write_basic_package_version_file("${version_config_file}" COMPATIBILITY SameMajorVersion)
install(FILES "${project_config_out}" "${version_config_file}" DESTINATION "${export_dest_dir}")

4
cmake/spdlogConfig.cmake.in
View File

@ -1,6 +1,8 @@
# Copyright(c) 2019 spdlog authors
# Distributed under the MIT License (http://opensource.org/licenses/MIT)
@PACKAGE_INIT@
find_package(Threads REQUIRED)
set(SPDLOG_FMT_EXTERNAL @SPDLOG_FMT_EXTERNAL@)
@ -13,3 +15,5 @@ endif()
include("${CMAKE_CURRENT_LIST_DIR}/${config_targets_file}")
check_required_components(spdlog)