Fix problems with required flags

Modules/CheckFunctionExists.cmake

@@ -8,8 +8,8 @@
 
 MACRO(CHECK_FUNCTION_EXISTS FUNCTION VARIABLE)
   IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
-    SET(MACRO_CHECK_FUNCTION_DEFINITIONS -DCHECK_FUNCTION_EXISTS=${FUNCTION} 
-        ${CMAKE_REQUIRED_FLAGS})
+    SET(MACRO_CHECK_FUNCTION_DEFINITIONS 
+	"-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}")
     MESSAGE(STATUS "Looking for ${FUNCTION}")
     IF(CMAKE_REQUIRED_LIBRARIES)
       SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES 

Modules/CheckLibraryExists.cmake

@@ -8,8 +8,8 @@
 
 MACRO(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
   IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
-    SET(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION -DCHECK_FUNCTION_EXISTS=${FUNCTION}
-        ${CMAKE_REQUIRED_FLAGS})
+    SET(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION 
+	"-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}")
     MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY}")
     SET(CHECK_LIBRARY_EXISTS_LIBRARIES ${LIBRARY})
     IF(CMAKE_REQUIRED_LIBRARIES)

Modules/CheckTypeSize.cmake

@@ -8,8 +8,8 @@
 
 MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
   IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
-    SET(MACRO_CHECK_TYPE_SIZE_FLAGS -DCHECK_TYPE_SIZE_TYPE="${TYPE}" 
-        ${CMAKE_REQUIRED_FLAGS})
+    SET(MACRO_CHECK_TYPE_SIZE_FLAGS 
+	"-DCHECK_TYPE_SIZE_TYPE=\"${TYPE}\" ${CMAKE_REQUIRED_FLAGS}")
     IF(HAVE_SYS_TYPES_H)
       SET(MACRO_CHECK_TYPE_SIZE_FLAGS 
           "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_SYS_TYPES_H")
@@ -18,6 +18,7 @@ MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
       SET(MACRO_CHECK_TYPE_SIZE_FLAGS "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_STDINT_H")
     ENDIF(HAVE_STDINT_H)
     MESSAGE(STATUS "Check size of ${TYPE}")
+    MESSAGE(STATUS "Flags: ${MACRO_CHECK_TYPE_SIZE_FLAGS}")
     IF(CMAKE_REQUIRED_LIBRARIES)
       SET(CHECK_TYPE_SIZE_ADD_LIBRARIES 
           "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")

Modules/CheckVariableExists.cmake

@@ -7,8 +7,8 @@
 
 MACRO(CHECK_VARIABLE_EXISTS VAR VARIABLE)
   IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
-    SET(MACRO_CHECK_VARIABLE_DEFINITIONS -DCHECK_VARIABLE_EXISTS=${VAR} 
-        ${CMAKE_REQUIRED_FLAGS})
+    SET(MACRO_CHECK_VARIABLE_DEFINITIONS 
+	"-DCHECK_VARIABLE_EXISTS=${VAR} ${CMAKE_REQUIRED_FLAGS}")
     MESSAGE(STATUS "Looking for ${VARIABLE}")
     IF(CMAKE_REQUIRED_LIBRARIES)
       SET(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES