From e8f668d89c5d800979032e82511dcc40b54b8492 Mon Sep 17 00:00:00 2001
From: Tessil <tessil@gmx.com>
Date: Sun, 22 Sep 2024 11:33:29 +0100
Subject: [PATCH] Bump cmake_minimum_required version to 3.5

---
 CMakeLists.txt | 69 ++++++++++++++++++++++++--------------------------
 1 file changed, 33 insertions(+), 36 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 16dd766..ec6fadd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.5)
 
 project(tsl-sparse-map VERSION 0.6.2 LANGUAGES CXX)
 include(GNUInstallDirs)
@@ -26,52 +26,49 @@ endif()
 
 
 
-# Installation (only compatible with CMake version >= 3.3)
-if(${CMAKE_VERSION} VERSION_GREATER "3.2")
-    include(CMakePackageConfigHelpers)
+include(CMakePackageConfigHelpers)
 
-    ## Install include directory and potential natvis file
-    install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/tsl"
-            DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+## Install include directory and potential natvis file
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/tsl"
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
 
-    if(MSVC)
-        install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/tsl-sparse-map.natvis"
-                DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}")
-    endif()
+if(MSVC)
+install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/tsl-sparse-map.natvis"
+        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}")
+endif()
 
 
 
-    ## Create and install tsl-sparse-mapConfig.cmake
-    configure_package_config_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/tsl-sparse-mapConfig.cmake.in"
-                                  "${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfig.cmake"
-                                  INSTALL_DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")
+## Create and install tsl-sparse-mapConfig.cmake
+configure_package_config_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/tsl-sparse-mapConfig.cmake.in"
+                                "${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfig.cmake"
+                                INSTALL_DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")
 
-    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfig.cmake"
-            DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfig.cmake"
+        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")
 
 
 
-    ## Create and install tsl-sparse-mapTargets.cmake
-    install(TARGETS sparse_map
-            EXPORT tsl-sparse-mapTargets)
+## Create and install tsl-sparse-mapTargets.cmake
+install(TARGETS sparse_map
+        EXPORT tsl-sparse-mapTargets)
 
-    install(EXPORT tsl-sparse-mapTargets
-            NAMESPACE tsl::
-            DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")
+install(EXPORT tsl-sparse-mapTargets
+        NAMESPACE tsl::
+        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")
 
 
 
-    ## Create and install tsl-sparse-mapConfigVersion.cmake
-    # tsl-sparse-map is header-only and does not depend on the architecture.
-    # Remove CMAKE_SIZEOF_VOID_P from tsl-sparse-mapConfigVersion.cmake so that a
-    # tsl-sparse-mapConfig.cmake generated for a 64 bit target can be used for 32 bit
-    # targets and vice versa.
-    set(CMAKE_SIZEOF_VOID_P_BACKUP ${CMAKE_SIZEOF_VOID_P})
-    unset(CMAKE_SIZEOF_VOID_P)
-    write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfigVersion.cmake"
-                                     COMPATIBILITY SameMajorVersion)
-    set(CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P_BACKUP})
+## Create and install tsl-sparse-mapConfigVersion.cmake
+# tsl-sparse-map is header-only and does not depend on the architecture.
+# Remove CMAKE_SIZEOF_VOID_P from tsl-sparse-mapConfigVersion.cmake so that a
+# tsl-sparse-mapConfig.cmake generated for a 64 bit target can be used for 32 bit
+# targets and vice versa.
+set(CMAKE_SIZEOF_VOID_P_BACKUP ${CMAKE_SIZEOF_VOID_P})
+unset(CMAKE_SIZEOF_VOID_P)
+write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfigVersion.cmake"
+                                COMPATIBILITY SameMajorVersion)
+set(CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P_BACKUP})
 
-    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfigVersion.cmake"
-            DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")
-endif()
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/tsl-sparse-mapConfigVersion.cmake"
+        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/tsl-sparse-map")