From 071709533b530d3b956693c3c74e98071da2dd2d Mon Sep 17 00:00:00 2001
From: topazus <topazus@outlook.com>
Date: Tue, 19 Dec 2023 11:19:31 +0800
Subject: [PATCH] Use GNUInstallDirs instead of hardcoded paths

---
 CMakeLists.txt | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73b5658..feb7dc9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,8 @@ endif()
 project(stduuid CXX)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
 
+include(GNUInstallDirs)
+
 option(UUID_BUILD_TESTS "Build the unit tests" ${UUID_MAIN_PROJECT})
 option(UUID_SYSTEM_GENERATOR "Enable operating system uuid generator" OFF)
 option(UUID_TIME_GENERATOR "Enable experimental time-based uuid generator" OFF)
@@ -47,21 +49,21 @@ if (NOT UUID_USING_CXX20_SPAN)
     target_include_directories(${PROJECT_NAME} INTERFACE
             $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
             $<INSTALL_INTERFACE:include>)
-    install(DIRECTORY gsl DESTINATION include)
+    install(DIRECTORY gsl DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 endif ()
 
 if(UUID_ENABLE_INSTALL)
     # Install step and imported target
-    install(FILES include/uuid.h DESTINATION include)
+    install(FILES include/uuid.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
     install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}-targets)
     install(EXPORT ${PROJECT_NAME}-targets
-            DESTINATION lib/cmake/${PROJECT_NAME})
+            DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
 
     # Config files for find_package()
     include(CMakePackageConfigHelpers)
     configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in
             "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
-            INSTALL_DESTINATION lib/cmake/${PROJECT_NAME})
+            INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
     write_basic_package_version_file(
             "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
             VERSION "1.0"
@@ -70,7 +72,7 @@ if(UUID_ENABLE_INSTALL)
             "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
             "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
             "${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLibuuid.cmake"
-            DESTINATION lib/cmake/${PROJECT_NAME})
+            DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
     export(EXPORT ${PROJECT_NAME}-targets
             FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}-targets.cmake")
 endif()