From dfe4e5cc7a8a352431942d47cbc36f0042e8bafa Mon Sep 17 00:00:00 2001
From: "Elf M. Sternberg" <elf.sternberg@gmail.com>
Date: Fri, 27 Jan 2017 17:48:42 -0800
Subject: [PATCH] Commented the library.

---
 mathfunctions/CMakeLists.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/mathfunctions/CMakeLists.txt b/mathfunctions/CMakeLists.txt
index e38e7bb..7014284 100644
--- a/mathfunctions/CMakeLists.txt
+++ b/mathfunctions/CMakeLists.txt
@@ -1,11 +1,29 @@
+# Defines an executable to be built in line with the project.
+# 
 add_executable(maketable maketable.cpp)
 
+
+# Defines a custom command that must be run in order to complete
+# compilation.  The output can be defined, and therefore must exist to
+# make sense to the add_library below.
+#
 add_custom_command (
     OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/table.h
     COMMAND maketable ${CMAKE_CURRENT_BINARY_DIR}/table.h
+
+    # Defines a dependency, so ensures compilation order
     DEPENDS maketable
 )
 
 include_directories( ${CMAKE_CURRENT_BINARY_DIR} )
+
+# Specify that mathfunctions is a library and list its requirements.
+# Note that "table.h" is a requirement, and its source is listed
+# above as an output, making it a dependency, which in turn has a
+# dependency on maketable.
+#
 add_library(mathfunctions mysqrt.cpp ${CMAKE_CURRENT_BINARY_DIR}/table.h )
+
+# Specify where these things are to be installed.
+#
 install (FILES mathfunctions.h DESTINATION include)