Ensure we install *.pdb files for symbols on msvc as well.

CMakeLists.txt

@@ -186,6 +186,18 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
         RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
         ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
         LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
+    if(MSVC)
+        install(FILES ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/$<TARGET_FILE_BASE_NAME:${ZLIB_SHARED_PROJECT_NAME}>.pdb
+            DESTINATION bin
+            CONFIGURATIONS Debug OR RelWithDebInfo
+            OPTIONAL
+        )
+        install(FILES ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/$<TARGET_FILE_BASE_NAME:${ZLIB_STATIC_PROJECT_NAME}>.pdb
+            DESTINATION lib
+            CONFIGURATIONS Debug OR RelWithDebInfo
+            OPTIONAL
+        )
+    endif()
 endif()
 if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
     install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")