fixed cmake error: doc says CACHE needs type *and* doc string

cherry-picked aba867f2422d06393f610c6cd8c6b147b4fd6c38

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 62f2e2a..89db5d5 100644 (file)
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -36,7 +36,7 @@ if ($ENV{DBUSDIR})
 endif ($ENV{DBUSDIR})
 
 if (DBUS_INSTALL_DIR)
-       set(CMAKE_INSTALL_PREFIX "${DBUS_INSTALL_DIR}" CACHE TYPE PATH FORCE)
+       set(CMAKE_INSTALL_PREFIX "${DBUS_INSTALL_DIR}" CACHE PATH "install prefix" FORCE)
 else (DBUS_INSTALL_DIR)
        set(DBUS_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}")
 endif (DBUS_INSTALL_DIR)
@@ -117,8 +117,7 @@ SET(DBUS_SOURCE_DIR ${CMAKE_SOURCE_DIR}/..)
 include (MacroLibrary)
 
 if(VCS)
-       set(DBUS_VERBOSE_C_S 1 CACHE TYPE STRING FORCE)
-       set(DBUS_VERBOSE_C_S 1)
+       set(DBUS_VERBOSE_C_S 1 CACHE STRING "verbose mode" FORCE)
 endif(VCS)
 
 if(WIN32)
@@ -135,8 +134,8 @@ if(WIN32)
 
                # Use the highest warning level
                if (WALL)
-                       set(WALL 1 CACHE TYPE STRING FORCE)
-                       set(CMAKE_CXX_WARNING_LEVEL 4 CACHE TYPE STRING FORCE)
+                       set(WALL 1 CACHE STRING "all warnings"  FORCE)
+                       set(CMAKE_CXX_WARNING_LEVEL 4 CACHE STRING "warning level" FORCE)
 
                        if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
                                STRING(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
@@ -150,7 +149,7 @@ if(WIN32)
                                SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
                        endif(CMAKE_C_FLAGS MATCHES "/W[0-4]")
                else (WALL)
-                       set(CMAKE_CXX_WARNING_LEVEL 3 CACHE TYPE STRING FORCE)
+                       set(CMAKE_CXX_WARNING_LEVEL 3 CACHE STRING "warning level" FORCE)
                endif (WALL)
 
                SET(MSVC_W_ERROR   " /we4028 /we4013 /we4133 /we4047 /we4031 /we4002 /we4003 /we4114")