Add WIN32 if-guard for CPack's WIX package generator and settings

Author: evgenyz

CMakeLists.txt

@@ -529,14 +529,16 @@ set(CPACK_SOURCE_IGNORE_FILES
 	"~$"
 	"\\\\CMakeLists.txt.user"
 )
-set(CPACK_GENERATOR WIX)
+if(WIN32)
+	set(CPACK_GENERATOR WIX)
+	set(CPACK_WIX_PATCH_FILE "${CMAKE_SOURCE_DIR}/wix_patch.xml")
+endif()
 set(CPACK_PACKAGE_NAME "OpenSCAP")
 set(CPACK_PACKAGE_VENDOR "OpenSCAP Project")
 set(CPACK_PACKAGE_VERSION_MAJOR "${OPENSCAP_VERSION_MAJOR}")
 set(CPACK_PACKAGE_VERSION_MINOR "${OPENSCAP_VERSION_MINOR}")
 set(CPACK_PACKAGE_VERSION_PATCH "${OPENSCAP_VERSION_PATCH}")
 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/lgpl-2.1.rtf")
-set(CPACK_WIX_PATCH_FILE "${CMAKE_SOURCE_DIR}/wix_patch.xml")
 set(CPACK_PACKAGE_CHECKSUM SHA512)
 
 include(CPack)