From 0c2d05f52fc83673a0c38261c9258d1ccd780301 Mon Sep 17 00:00:00 2001
From: Maarten Bent <MaartenBent@users.noreply.github.com>
Date: Sun, 17 May 2020 19:41:33 +0200
Subject: [PATCH] CMake: add library aliases using wx:: namespace

---
 build/cmake/functions.cmake | 9 +++++++++
 build/cmake/policies.cmake  | 5 +++++
 2 files changed, 14 insertions(+)

diff --git a/build/cmake/functions.cmake b/build/cmake/functions.cmake
index 1aafa4a983..3d93ac9e09 100644
--- a/build/cmake/functions.cmake
+++ b/build/cmake/functions.cmake
@@ -334,6 +334,7 @@ macro(wx_add_library name)
         endif()
 
         add_library(${name} ${wxBUILD_LIB_TYPE} ${src_files})
+        add_library(wx::${name} ALIAS ${name})
         wx_set_target_properties(${name} ${wxADD_LIBRARY_IS_BASE})
 
         # Setup install
@@ -501,7 +502,15 @@ endfunction()
 # Add a third party builtin library
 function(wx_add_builtin_library name)
     wx_list_add_prefix(src_list "${wxSOURCE_DIR}/" ${ARGN})
+
+    if(${name} MATCHES "wx.*")
+        string(SUBSTRING ${name} 2 -1 name_short)
+    else()
+        set(name_short ${name})
+    endif()
+
     add_library(${name} STATIC ${src_list})
+    add_library(wx::${name_short} ALIAS ${name})
     wx_set_builtin_target_properties(${name})
     if(wxBUILD_SHARED)
         set_target_properties(${name} PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
diff --git a/build/cmake/policies.cmake b/build/cmake/policies.cmake
index 14aaeef17a..1a7415d0e1 100644
--- a/build/cmake/policies.cmake
+++ b/build/cmake/policies.cmake
@@ -14,6 +14,11 @@ if(POLICY CMP0025)
     cmake_policy(SET CMP0025 NEW)
 endif()
 
+if(POLICY CMP0028)
+    # Double colon in target name means ALIAS or IMPORTED target.
+    cmake_policy(SET CMP0028 NEW)
+endif()
+
 if(POLICY CMP0038)
     # targets may not link directly to themselves
     cmake_policy(SET CMP0038 NEW)