1 files changed, 51 insertions, 0 deletions
diff --git a/Help/guide/tutorial/Step10/MathFunctions/CMakeLists.txt b/Help/guide/tutorial/Step10/MathFunctions/CMakeLists.txt
new file mode 100644
index 000000000..e0c06214c
--- /dev/null
+++ b/Help/guide/tutorial/Step10/MathFunctions/CMakeLists.txt
@@ -0,0 +1,51 @@
+# add the library that runs
+add_library(MathFunctions MathFunctions.cxx)
+
+# state that anybody linking to us needs to include the current source dir
+# to find MathFunctions.h, while we don't.
+target_include_directories(MathFunctions
+                           INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
+                           )
+
+# should we use our own math functions
+option(USE_MYMATH "Use tutorial provided math implementation" ON)
+if(USE_MYMATH)
+
+  target_compile_definitions(MathFunctions PRIVATE "USE_MYMATH")
+
+  # first we add the executable that generates the table
+  add_executable(MakeTable MakeTable.cxx)
+
+  # add the command to generate the source code
+  add_custom_command(
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/Table.h
+    COMMAND MakeTable ${CMAKE_CURRENT_BINARY_DIR}/Table.h
+    DEPENDS MakeTable
+    )
+
+  # library that just does sqrt
+  add_library(SqrtLibrary STATIC
+              mysqrt.cxx
+              ${CMAKE_CURRENT_BINARY_DIR}/Table.h
+              )
+
+  # state that we depend on our binary dir to find Table.h
+  target_include_directories(SqrtLibrary PRIVATE
+                             ${CMAKE_CURRENT_BINARY_DIR}
+                             )
+
+  # state that SqrtLibrary need PIC when the default is shared libraries
+  set_target_properties(SqrtLibrary PROPERTIES
+                        POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS}
+                        )
+
+  target_link_libraries(MathFunctions PRIVATE SqrtLibrary)
+endif()
+
+# define the symbol stating we are using the declspec(dllexport) when
+# building on windows
+target_compile_definitions(MathFunctions PRIVATE "EXPORTING_MYMATH")
+
+# install rules
+install(TARGETS MathFunctions DESTINATION lib)
+install(FILES MathFunctions.h DESTINATION include)