diff options
Diffstat (limited to 'Help/guide/tutorial')
| -rw-r--r-- | Help/guide/tutorial/index.rst | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Help/guide/tutorial/index.rst b/Help/guide/tutorial/index.rst index 4fbcd4c..6e26de9 100644 --- a/Help/guide/tutorial/index.rst +++ b/Help/guide/tutorial/index.rst @@ -380,8 +380,12 @@ 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 the top-level -``CMakeLists.txt``. We're going to use the new defines in -``TutorialConfig.h.in``, so be sure to set them before that file is configured. +``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. + +We're going to use the new defines in ``TutorialConfig.h.in``, so be sure to +set them before that file is configured. .. literalinclude:: Step6/MathFunctions/CMakeLists.txt :language: cmake |