From f9eb8a1286e23ebbea852dfc4067562936a7b885 Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Wed, 23 Jun 2021 21:21:26 +0200
Subject: [PATCH] CMake: Improve summary output for multi-config builds

---
 expat/CMakeLists.txt | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/expat/CMakeLists.txt b/expat/CMakeLists.txt
index fda3f626..dcd9e91f 100644
--- a/expat/CMakeLists.txt
+++ b/expat/CMakeLists.txt
@@ -746,19 +746,32 @@ elseif(EXPAT_CHAR_TYPE STREQUAL "wchar_t")
 else()
     set(_EXPAT_CHAR_TYPE_SUMMARY "ERROR")
 endif()
+# NOTE: We're not accessing global property GENERATOR_IS_MULTI_CONFIG
+#       because that would require CMake >=3.9
+if(CMAKE_CONFIGURATION_TYPES)
+    set(_EXPAT_GENERATOR_IS_MULTI_CONFIG TRUE)
+else()
+    set(_EXPAT_GENERATOR_IS_MULTI_CONFIG FALSE)
+endif()
 
 message(STATUS "===========================================================================")
 message(STATUS "")
 message(STATUS "Configuration")
 message(STATUS "  Generator .................. ${CMAKE_GENERATOR}")
+if(_EXPAT_GENERATOR_IS_MULTI_CONFIG)
+    message(STATUS "  Build types ................ ${CMAKE_CONFIGURATION_TYPES}")
+else()
+    message(STATUS "  Build type ................. ${CMAKE_BUILD_TYPE}")
+endif()
 message(STATUS "  Prefix ..................... ${CMAKE_INSTALL_PREFIX}")
-message(STATUS "  Build type ................. ${CMAKE_BUILD_TYPE}")
 message(STATUS "  Shared libraries ........... ${EXPAT_SHARED_LIBS}")
 if(MSVC)
     message(STATUS "  Static CRT ................. ${EXPAT_MSVC_STATIC_CRT}")
 endif()
 message(STATUS "  Character type ............. ${_EXPAT_CHAR_TYPE_SUMMARY}")
-message(STATUS "  Library name postfix ....... ${CMAKE_${_EXPAT_BUILD_TYPE_UPPER}_POSTFIX}")
+if(NOT _EXPAT_GENERATOR_IS_MULTI_CONFIG)
+    message(STATUS "  Library name postfix ....... ${CMAKE_${_EXPAT_BUILD_TYPE_UPPER}_POSTFIX}")
+endif()
 message(STATUS "")
 message(STATUS "  Build documentation ........ ${EXPAT_BUILD_DOCS}")
 message(STATUS "  Build examples ............. ${EXPAT_BUILD_EXAMPLES}")