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CheckPrototypeDefinition: Avoid if() auto-dereference 

Convert from the old if(MATCHES) hack to if(DEFINED) to check whether
the result variable is already set.
This commit is contained in:
Brad King 2014-09-16 09:04:20 -04:00
parent c9b301cd71
commit 3b5ea54a27
1 changed files with 1 additions and 1 deletions
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2
Modules/CheckPrototypeDefinition.cmake
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@ -57,7 +57,7 @@ get_filename_component(__check_proto_def_dir "${CMAKE_CURRENT_LIST_FILE}" PATH)
function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE) function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE)
if ("${_VARIABLE}" MATCHES "^${_VARIABLE}$") if (NOT DEFINED ${_VARIABLE})
set(CHECK_PROTOTYPE_DEFINITION_CONTENT "/* */\n") set(CHECK_PROTOTYPE_DEFINITION_CONTENT "/* */\n")
set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS}) set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS})