7 files changed, 127 insertions, 101 deletions
diff --git a/Modules/CheckFunctionExists.cmake b/Modules/CheckFunctionExists.cmake
index bcf274b..2afaa40 100644
--- a/Modules/CheckFunctionExists.cmake
+++ b/Modules/CheckFunctionExists.cmake
@@ -7,21 +7,23 @@
 #
 
 MACRO(CHECK_FUNCTION_EXISTS FUNCTION VARIABLE)
-  SET(MACRO_CHECK_FUNCTION_DEFINITIONS -DCHECK_FUNCTION_EXISTS=${FUNCTION})
-  MESSAGE(STATUS "Looking for ${FUNCTION}")
-  TRY_COMPILE(${VARIABLE}
-             ${PROJECT_BINARY_DIR}
-             ${CMAKE_ROOT}/Modules/CheckFunctionExists.c
-             CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
-             OUTPUT_VARIABLE OUTPUT)
-  IF(${VARIABLE})
-    SET(${VARIABLE} 1 CACHE INTERNAL "Have function ${FUNCTION}")
-    MESSAGE(STATUS "Found ${FUNCTION}")
-  ELSE(${VARIABLE})
-    MESSAGE(STATUS "${FUNCTION} not found")
-    SET(${VARIABLE} "" CACHE INTERNAL "Have function ${FUNCTION}")
-    WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
-      "Determining if the function ${FUNCTION} exists failed with the following output:\n"
-      "${OUTPUT}\n" APPEND)
-  ENDIF(${VARIABLE})
+  IF(NOT ${VARIABLE})
+    SET(MACRO_CHECK_FUNCTION_DEFINITIONS -DCHECK_FUNCTION_EXISTS=${FUNCTION})
+    MESSAGE(STATUS "Looking for ${FUNCTION}")
+    TRY_COMPILE(${VARIABLE}
+            ${PROJECT_BINARY_DIR}
+            ${CMAKE_ROOT}/Modules/CheckFunctionExists.c
+            CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
+            OUTPUT_VARIABLE OUTPUT)
+    IF(${VARIABLE})
+      SET(${VARIABLE} 1 CACHE INTERNAL "Have function ${FUNCTION}")
+      MESSAGE(STATUS "Looking for ${FUNCTION} - found")
+    ELSE(${VARIABLE})
+      MESSAGE(STATUS "Looking for ${FUNCTION} - not found")
+      SET(${VARIABLE} "" CACHE INTERNAL "Have function ${FUNCTION}")
+      WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
+        "Determining if the function ${FUNCTION} exists failed with the following output:\n"
+        "${OUTPUT}\n" APPEND)
+    ENDIF(${VARIABLE})
+  ENDIF(NOT ${VARIABLE})
 ENDMACRO(CHECK_FUNCTION_EXISTS)
diff --git a/Modules/CheckIncludeFile.cmake b/Modules/CheckIncludeFile.cmake
index 16fdb86..b4e0929 100644
--- a/Modules/CheckIncludeFile.cmake
+++ b/Modules/CheckIncludeFile.cmake
@@ -7,23 +7,25 @@
 #
 
 MACRO(CHECK_INCLUDE_FILE INCLUDE VARIABLE)
-  SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE})
-  CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.c.in
-                 ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c IMMEDIATE)
-  MESSAGE(STATUS "Looking for ${INCLUDE}")
-  TRY_COMPILE(${VARIABLE}
-             ${PROJECT_BINARY_DIR}
-             ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c
-             OUTPUT_VARIABLE OUTPUT)
-  IF(${VARIABLE})
-    MESSAGE(STATUS "Found ${INCLUDE}")
-    SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}")
-  ELSE(${VARIABLE})
-    MESSAGE(STATUS "${INCLUDE} not found.")
-    SET(${VARIABLE} "" CACHE INTERNAL "Have include ${INCLUDE}")
-    WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
-      "Determining if the include file ${INCLUDE} "
-      "exists failed with the following output:\n"
-      "${OUTPUT}\n" APPEND)
-  ENDIF(${VARIABLE})
+  IF(NOT ${VARIABLE})
+    SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE})
+    CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.c.in
+                   ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c IMMEDIATE)
+    MESSAGE(STATUS "Looking for ${INCLUDE}")
+    TRY_COMPILE(${VARIABLE}
+               ${PROJECT_BINARY_DIR}
+               ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c
+               OUTPUT_VARIABLE OUTPUT)
+    IF(${VARIABLE})
+      MESSAGE(STATUS "Looking for ${INCLUDE} - found")
+      SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}")
+    ELSE(${VARIABLE})
+      MESSAGE(STATUS "Looking for ${INCLUDE} - not found.")
+      SET(${VARIABLE} "" CACHE INTERNAL "Have include ${INCLUDE}")
+      WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
+        "Determining if the include file ${INCLUDE} "
+        "exists failed with the following output:\n"
+        "${OUTPUT}\n" APPEND)
+    ENDIF(${VARIABLE})
+  ENDIF(NOT ${VARIABLE})
 ENDMACRO(CHECK_INCLUDE_FILE)
diff --git a/Modules/CheckLibraryExists.cmake b/Modules/CheckLibraryExists.cmake
index af8a014..65a6ec8 100644
--- a/Modules/CheckLibraryExists.cmake
+++ b/Modules/CheckLibraryExists.cmake
@@ -7,26 +7,28 @@
 #
 
 MACRO(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
-  SET(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION -DCHECK_FUNCTION_EXISTS=${FUNCTION})
-  MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY}")
-  TRY_COMPILE(${VARIABLE}
-             ${PROJECT_BINARY_DIR}
-             ${CMAKE_ROOT}/Modules/CheckFunctionExists.c
-             CMAKE_FLAGS 
-               -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_LIBRARY_EXISTS_DEFINITION}
-               -DLINK_DIRECTORIES:STRING=${LOCATION}
-               -DLINK_LIBRARIES:STRING=${LIBRARY}
-             OUTPUT_VARIABLE OUTPUT)
+  IF(NOT ${VARIABLE})
+    SET(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION -DCHECK_FUNCTION_EXISTS=${FUNCTION})
+    MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY}")
+    TRY_COMPILE(${VARIABLE}
+               ${PROJECT_BINARY_DIR}
+               ${CMAKE_ROOT}/Modules/CheckFunctionExists.c
+               CMAKE_FLAGS 
+                 -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_LIBRARY_EXISTS_DEFINITION}
+                 -DLINK_DIRECTORIES:STRING=${LOCATION}
+                 -DLINK_LIBRARIES:STRING=${LIBRARY}
+               OUTPUT_VARIABLE OUTPUT)
 
-  IF(${VARIABLE})
-    MESSAGE(STATUS "Found ${FUNCTION} in ${LIBRARY}")
-    SET(${VARIABLE} 1 CACHE INTERNAL "Have library ${LIBRARY}")
-  ELSE(${VARIABLE})
-    MESSAGE(STATUS "${FUNCTION} in ${LIBRARY} not found")
-    SET(${VARIABLE} "" CACHE INTERNAL "Have library ${LIBRARY}")
-    WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
-      "Determining if the function ${FUNCTION} exists in the ${LIBRARY} "
-      "failed with the following output:\n"
-      "${OUTPUT}\n" APPEND)
-  ENDIF(${VARIABLE})
+    IF(${VARIABLE})
+      MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - found")
+      SET(${VARIABLE} 1 CACHE INTERNAL "Have library ${LIBRARY}")
+    ELSE(${VARIABLE})
+      MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - not found")
+      SET(${VARIABLE} "" CACHE INTERNAL "Have library ${LIBRARY}")
+      WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
+        "Determining if the function ${FUNCTION} exists in the ${LIBRARY} "
+        "failed with the following output:\n"
+        "${OUTPUT}\n" APPEND)
+    ENDIF(${VARIABLE})
+  ENDIF(NOT ${VARIABLE})
 ENDMACRO(CHECK_LIBRARY_EXISTS)
diff --git a/Modules/CheckSizeOf.cmake b/Modules/CheckSizeOf.cmake
index ddeb350..d375135 100644
--- a/Modules/CheckSizeOf.cmake
+++ b/Modules/CheckSizeOf.cmake
@@ -7,23 +7,28 @@
 #
 
 MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
-  SET(MACRO_CHECK_TYPE_SIZE_FLAGS -DCHECK_SIZE_OF="${TYPE}")
-  IF(HAVE_SYS_TYPES_H)
-    SET(MACRO_CHECK_TYPE_SIZE_FLAGS "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_SYS_TYPES_H")
-  ENDIF(HAVE_SYS_TYPES_H)
-  IF(HAVE_STDINT_H)
-    SET(MACRO_CHECK_TYPE_SIZE_FLAGS "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_STDINT_H")
-  ENDIF(HAVE_STDINT_H)
-  MESSAGE(STATUS "Check size of ${TYPE}")
-  TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
-          ${PROJECT_BINARY_DIR}
-          ${CMAKE_ROOT}/Modules/CheckSizeOf.c
-          CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}
-          OUTPUT_VARIABLE OUTPUT)
-  IF(NOT HAVE_${VARIABLE})
-    MESSAGE(STATUS "Error in Check size of ${TYPE}")
-    WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
-      "Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\n"
-      APPEND)
-  ENDIF(NOT HAVE_${VARIABLE})
+  IF(NOT ${VARIABLE})
+    SET(MACRO_CHECK_TYPE_SIZE_FLAGS -DCHECK_SIZE_OF="${TYPE}")
+    IF(HAVE_SYS_TYPES_H)
+      SET(MACRO_CHECK_TYPE_SIZE_FLAGS 
+          "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_SYS_TYPES_H")
+    ENDIF(HAVE_SYS_TYPES_H)
+    IF(HAVE_STDINT_H)
+      SET(MACRO_CHECK_TYPE_SIZE_FLAGS "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_STDINT_H")
+    ENDIF(HAVE_STDINT_H)
+    MESSAGE(STATUS "Check size of ${TYPE}")
+    TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
+            ${PROJECT_BINARY_DIR}
+            ${CMAKE_ROOT}/Modules/CheckSizeOf.c
+            CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}
+            OUTPUT_VARIABLE OUTPUT)
+    IF(HAVE_${VARIABLE})
+      MESSAGE(STATUS "Check size of ${TYPE} - done")
+    ELSE(HAVE_${VARIABLE})
+      MESSAGE(STATUS "Check size of ${TYPE} - failed")
+      WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log 
+        "Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\n"
+        APPEND)
+    ENDIF(HAVE_${VARIABLE})
+  ENDIF(NOT ${VARIABLE})
 ENDMACRO(CHECK_TYPE_SIZE)
diff --git a/Modules/TestForANSIForScope.cmake b/Modules/TestForANSIForScope.cmake
index c6434b4..3265f00 100644
--- a/Modules/TestForANSIForScope.cmake
+++ b/Modules/TestForANSIForScope.cmake
@@ -4,15 +4,20 @@
 # CMAKE_NO_STD_NAMESPACE - defined accoreding to the results
 #
 
-TRY_COMPILE(CMAKE_ANSI_FOR_SCOPE  ${PROJECT_BINARY_DIR} 
-  ${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx)
-IF (CMAKE_ANSI_FOR_SCOPE)
-  SET (CMAKE_NO_ANSI_FOR_SCOPE 0 CACHE INTERNAL 
+IF(NOT CMAKE_ANSI_FOR_SCOPE)
+  MESSAGE(STATUS "Check for ANSI scope")
+  TRY_COMPILE(CMAKE_ANSI_FOR_SCOPE  ${PROJECT_BINARY_DIR} 
+    ${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx)
+  IF (CMAKE_ANSI_FOR_SCOPE)
+    MESSAGE(STATUS "Check for ANSI scope - found")
+    SET (CMAKE_NO_ANSI_FOR_SCOPE 0 CACHE INTERNAL 
+         "Does the compiler support ansi for scope.")
+  ELSE (CMAKE_ANSI_FOR_SCOPE)
+    MESSAGE(STATUS "Check for ANSI scope - not found")
+    SET (CMAKE_NO_ANSI_FOR_SCOPE 1 CACHE INTERNAL 
        "Does the compiler support ansi for scope.")
-ELSE (CMAKE_ANSI_FOR_SCOPE)
-  SET (CMAKE_NO_ANSI_FOR_SCOPE 1 CACHE INTERNAL 
-     "Does the compiler support ansi for scope.")
-ENDIF (CMAKE_ANSI_FOR_SCOPE)
+  ENDIF (CMAKE_ANSI_FOR_SCOPE)
+ENDIF(NOT CMAKE_ANSI_FOR_SCOPE)
 
 
 
diff --git a/Modules/TestForANSIStreamHeaders.cmake b/Modules/TestForANSIStreamHeaders.cmake
index 10ecb01..7ea1071 100644
--- a/Modules/TestForANSIStreamHeaders.cmake
+++ b/Modules/TestForANSIStreamHeaders.cmake
@@ -4,16 +4,21 @@
 # CMAKE_NO_ANSI_STREAM_HEADERS - defined accoreding to the results
 #
 
-TRY_COMPILE(CMAKE_ANSI_STREAM_HEADERS  ${PROJECT_BINARY_DIR} 
-  ${CMAKE_ROOT}/Modules/TestForANSIStreamHeaders.cxx)
-IF (CMAKE_ANSI_STREAM_HEADERS)
-  SET (CMAKE_NO_ANSI_STREAM_HEADERS 0 CACHE INTERNAL 
+IF(NOT CMAKE_NO_ANSI_STREAM_HEADERS)
+  MESSAGE(STATUS "Check for ANSI stream headers")
+  TRY_COMPILE(CMAKE_ANSI_STREAM_HEADERS  ${PROJECT_BINARY_DIR} 
+    ${CMAKE_ROOT}/Modules/TestForANSIStreamHeaders.cxx)
+  IF (CMAKE_ANSI_STREAM_HEADERS)
+    MESSAGE(STATUS "Check for ANSI stream headers - found")
+    SET (CMAKE_NO_ANSI_STREAM_HEADERS 0 CACHE INTERNAL 
+         "Does the compiler support headers like iostream.")
+  ELSE (CMAKE_ANSI_STREAM_HEADERS)
+    MESSAGE(STATUS "Check for ANSI stream headers - not found")
+    SET (CMAKE_NO_ANSI_STREAM_HEADERS 1 CACHE INTERNAL 
        "Does the compiler support headers like iostream.")
-ELSE (CMAKE_ANSI_STREAM_HEADERS)
-  SET (CMAKE_NO_ANSI_STREAM_HEADERS 1 CACHE INTERNAL 
-     "Does the compiler support headers like iostream.")
-ENDIF (CMAKE_ANSI_STREAM_HEADERS)
+  ENDIF (CMAKE_ANSI_STREAM_HEADERS)
 
-MARK_AS_ADVANCED(CMAKE_NO_ANSI_STREAM_HEADERS)
+  MARK_AS_ADVANCED(CMAKE_NO_ANSI_STREAM_HEADERS)
+ENDIF(NOT CMAKE_NO_ANSI_STREAM_HEADERS)
 
 
diff --git a/Modules/TestForSTDNamespace.cmake b/Modules/TestForSTDNamespace.cmake
index 304d1c3..9f14558 100644
--- a/Modules/TestForSTDNamespace.cmake
+++ b/Modules/TestForSTDNamespace.cmake
@@ -4,15 +4,20 @@
 # CMAKE_NO_STD_NAMESPACE - defined accoreding to the results
 #
 
-TRY_COMPILE(CMAKE_STD_NAMESPACE  ${PROJECT_BINARY_DIR} 
-  ${CMAKE_ROOT}/Modules/TestForSTDNamespace.cxx)
-IF (CMAKE_STD_NAMESPACE)
-  SET (CMAKE_NO_STD_NAMESPACE 0 CACHE INTERNAL 
+IF(NOT CMAKE_STD_NAMESPACE)
+  MESSAGE(STATUS "Check for STD namespace")
+  TRY_COMPILE(CMAKE_STD_NAMESPACE  ${PROJECT_BINARY_DIR} 
+    ${CMAKE_ROOT}/Modules/TestForSTDNamespace.cxx)
+  IF (CMAKE_STD_NAMESPACE)
+    MESSAGE(STATUS "Check for STD namespace - found")
+    SET (CMAKE_NO_STD_NAMESPACE 0 CACHE INTERNAL 
+         "Does the compiler support std::.")
+  ELSE (CMAKE_STD_NAMESPACE)
+    MESSAGE(STATUS "Check for STD namespace - not found")
+    SET (CMAKE_NO_STD_NAMESPACE 1 CACHE INTERNAL 
        "Does the compiler support std::.")
-ELSE (CMAKE_STD_NAMESPACE)
-  SET (CMAKE_NO_STD_NAMESPACE 1 CACHE INTERNAL 
-     "Does the compiler support std::.")
-ENDIF (CMAKE_STD_NAMESPACE)
+  ENDIF (CMAKE_STD_NAMESPACE)
+ENDIF(NOT CMAKE_STD_NAMESPACE)