Set platform specific package config dir to work with CMake finding.

Author: hsorby

CMakeLists.txt

@@ -1,13 +1,20 @@
 cmake_minimum_required(VERSION 3.0)
-project(libxml2 LANGUAGES C CXX VERSION 2.9.6)
+project(LibXml2 LANGUAGES C CXX VERSION 2.9.6)
 
 option(BUILD_TESTS "${PROJECT_NAME} - Build tests" ON)
-set(PACKAGE_CONFIG_DIR "lib/cmake" CACHE STRING "Directory for package config files (relative to CMAKE_INSTALL_PREFIX)")
-option(ZLIB_WITH_ZLIB "Build in zlib support" ON)
-option(ZLIB_WITH_TRIO "Build with trio support" OFF)
+option(LIBXML2_WITH_ZLIB "Build in zlib support" ON)
+option(LIBXML2_WITH_TRIO "Build with trio support" OFF)
 option(BUILD_SHARED_LIBS "Build shared library." ON)
+if(WIN32)
+	set(_DEFAULT_PACKAGE_CONFIG_DIR ${PROJECT_NAME}/CMake)
+else()
+	set(_DEFAULT_PACKAGE_CONFIG_DIR lib/cmake/${PROJECT_NAME})
+endif()
+set(PACKAGE_CONFIG_DIR ${_DEFAULT_PACKAGE_CONFIG_DIR} CACHE STRING "Directory for package config files (relative to CMAKE_INSTALL_PREFIX)")
+
+set(WITH_TRIO ${LIBXML2_WITH_TRIO})
+set(WITH_ZLIB ${LIBXML2_WITH_ZLIB})
 
-set(WITH_ZLIB ${ZLIB_WITH_ZLIB})
 if (WITH_ZLIB)
     find_package(ZLIB ${ZLIB_VERSION})
 	if (NOT ZLIB_FOUND)