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Diffstat (limited to 'Help/guide/tutorial/Adding System Introspection.rst')
| -rw-r--r-- | Help/guide/tutorial/Adding System Introspection.rst | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/Help/guide/tutorial/Adding System Introspection.rst b/Help/guide/tutorial/Adding System Introspection.rst index e149110..8db0cb8 100644 --- a/Help/guide/tutorial/Adding System Introspection.rst +++ b/Help/guide/tutorial/Adding System Introspection.rst @@ -9,17 +9,15 @@ tutorial assume that they are not common. If the platform has ``log`` and ``exp`` then we will use them to compute the square root in the ``mysqrt`` function. We first test for the availability of -these functions using the :module:`CheckSymbolExists` module in -``MathFunctions/CMakeLists.txt``. On some platforms, we will need to link to -the ``m`` library. If ``log`` and ``exp`` are not initially found, require the -``m`` library and try again. +these functions using the :module:`CheckCXXSourceCompiles` module in +``MathFunctions/CMakeLists.txt``. Add the checks for ``log`` and ``exp`` to ``MathFunctions/CMakeLists.txt``, after the call to :command:`target_include_directories`: .. literalinclude:: Step6/MathFunctions/CMakeLists.txt :caption: MathFunctions/CMakeLists.txt - :name: MathFunctions/CMakeLists.txt-check_symbol_exists + :name: MathFunctions/CMakeLists.txt-check_cxx_source_compiles :language: cmake :start-after: # to find MathFunctions.h, while we don't. :end-before: # add compile definitions |