From 8c8def5de552c25c4b6eb18f4e53189304c3df9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@elmindreda.org>
Date: Wed, 25 Aug 2021 12:17:45 +0200
Subject: [PATCH] Start making use of CMake 3.4 string(APPEND)

---
 CMake/GenerateMappings.cmake | 12 ++++++------
 CMakeLists.txt               |  4 ++--
 docs/CMakeLists.txt          |  2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/CMake/GenerateMappings.cmake b/CMake/GenerateMappings.cmake
index 47e63741..c8c9e23f 100644
--- a/CMake/GenerateMappings.cmake
+++ b/CMake/GenerateMappings.cmake
@@ -26,19 +26,19 @@ foreach(line ${lines})
     if (line MATCHES "^[0-9a-fA-F]")
         if (line MATCHES "platform:Windows")
             if (GLFW_WIN32_MAPPINGS)
-                set(GLFW_WIN32_MAPPINGS "${GLFW_WIN32_MAPPINGS}\n")
+                string(APPEND GLFW_WIN32_MAPPINGS "\n")
             endif()
-            set(GLFW_WIN32_MAPPINGS "${GLFW_WIN32_MAPPINGS}\"${line}\",")
+            string(APPEND GLFW_WIN32_MAPPINGS "\"${line}\",")
         elseif (line MATCHES "platform:Mac OS X")
             if (GLFW_COCOA_MAPPINGS)
-                set(GLFW_COCOA_MAPPINGS "${GLFW_COCOA_MAPPINGS}\n")
+                string(APPEND GLFW_COCOA_MAPPINGS "\n")
             endif()
-            set(GLFW_COCOA_MAPPINGS "${GLFW_COCOA_MAPPINGS}\"${line}\",")
+            string(APPEND GLFW_COCOA_MAPPINGS "\"${line}\",")
         elseif (line MATCHES "platform:Linux")
             if (GLFW_LINUX_MAPPINGS)
-                set(GLFW_LINUX_MAPPINGS "${GLFW_LINUX_MAPPINGS}\n")
+                string(APPEND GLFW_LINUX_MAPPINGS "\n")
             endif()
-            set(GLFW_LINUX_MAPPINGS "${GLFW_LINUX_MAPPINGS}\"${line}\",")
+            string(APPEND GLFW_LINUX_MAPPINGS "\"${line}\",")
         endif()
     endif()
 endforeach()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b10848b3..e255863b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -256,10 +256,10 @@ endif()
 # Export GLFW library dependencies
 #--------------------------------------------------------------------
 foreach(arg ${glfw_PKG_DEPS})
-    set(deps "${deps} ${arg}")
+    string(APPEND deps " ${arg}")
 endforeach()
 foreach(arg ${glfw_PKG_LIBS})
-    set(libs "${libs} ${arg}")
+    string(APPEND libs " ${arg}")
 endforeach()
 
 set(GLFW_PKG_CONFIG_REQUIRES_PRIVATE "${deps}" CACHE INTERNAL
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 2347858e..d88888d4 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -21,7 +21,7 @@ set(GLFW_DOXYGEN_SOURCES
 
 # Format the source list into a Doxyfile INPUT value that Doxygen can parse
 foreach(path IN LISTS GLFW_DOXYGEN_SOURCES)
-    set(GLFW_DOXYGEN_INPUT "${GLFW_DOXYGEN_INPUT} \\\n\"${GLFW_SOURCE_DIR}/${path}\"")
+    string(APPEND GLFW_DOXYGEN_INPUT " \\\n\"${GLFW_SOURCE_DIR}/${path}\"")
 endforeach()
 
 configure_file(Doxyfile.in Doxyfile @ONLY)