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This library is used by OGDF project which I used to display graph.
When I compile OGDF tests, vs compiler (cl) reports it can't find IsNull function.
The function is located here.
It seems the issue comes from cl since it defines __cplusplus variable to 199711L.
Please see this link for further information. Basically this value is not updated because cl doesn't fully support C++11.
As a workaround, I modified this line to test if the vs compiler version is above or equal to 1600, the oldest version which supports nullptr keyword.
IsNull() is only available for C++11. However, older versions of
MSVC know nullptr and std::nullptr_r and can also handle IsNull().
This commit uses the workaround given by @wisk in issue #17 to
enable IsNull() for MSVC version identifiers >= 1600.
IsNull() is only available for C++11. However, older versions of
MSVC know nullptr and std::nullptr_r and can also handle IsNull().
This commit uses the workaround proposed by @wisk in issue #17 to
enable IsNull() for MSVC version identifiers >= 1600.
IsNull() is only available for C++11. However, older versions of
MSVC know nullptr and std::nullptr_r and can also handle IsNull().
This commit uses the workaround proposed by @wisk in issue #17 to
enable IsNull() for MSVC version identifiers >= 1600.
IsNull() is only available for C++11. However, older versions of
MSVC know nullptr and std::nullptr_r and can also handle IsNull().
This commit uses the workaround proposed by @wisk in issue #17 to
enable IsNull() for MSVC version identifiers >= 1600.
Hi there,
This library is used by OGDF project which I used to display graph.
When I compile OGDF tests, vs compiler (cl) reports it can't find IsNull function.
The function is located here.
It seems the issue comes from cl since it defines
__cplusplusvariable to 199711L.Please see this link for further information. Basically this value is not updated because cl doesn't fully support C++11.
As a workaround, I modified this line to test if the vs compiler version is above or equal to 1600, the oldest version which supports
nullptrkeyword.-#if __cplusplus > 199711L+#if __cplusplus > 199711L || _MSC_VER >= 1600The text was updated successfully, but these errors were encountered: