diff --git a/src/Mod/Part/Gui/SectionCutting.cpp b/src/Mod/Part/Gui/SectionCutting.cpp index 96a2ddd9e4..cadd3daa60 100644 --- a/src/Mod/Part/Gui/SectionCutting.cpp +++ b/src/Mod/Part/Gui/SectionCutting.cpp @@ -26,7 +26,8 @@ // to avoid compiler warnings of redefining contents of basic.h // later by #include -# include +# define _USE_MATH_DEFINES +# include # include # include