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Diffstat (limited to 'cmake/CheckPrototypeDefinitionSafe.cmake')
-rw-r--r-- | cmake/CheckPrototypeDefinitionSafe.cmake | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/cmake/CheckPrototypeDefinitionSafe.cmake b/cmake/CheckPrototypeDefinitionSafe.cmake new file mode 100644 index 000000000..f82603d3d --- /dev/null +++ b/cmake/CheckPrototypeDefinitionSafe.cmake @@ -0,0 +1,16 @@ +include(CheckPrototypeDefinition) + +function(check_prototype_definition_safe function prototype return header variable) + # temporarily save CMAKE_C_FLAGS and disable warnings about unused + # unused functions and parameters, otherwise they will always fail + # if ENABLE_WERROR is on + set(SAVED_CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + + disable_warnings(unused-function) + disable_warnings(unused-parameter) + + check_prototype_definition("${function}" "${prototype}" "${return}" "${header}" "${variable}") + + # restore CMAKE_C_FLAGS + set(CMAKE_C_FLAGS "${SAVED_CMAKE_C_FLAGS}") +endfunction() |