chapter 8 abstracts

chapter-08/recipe-01/README.md

@@ -1,5 +1,9 @@
 # Using the superbuild pattern
 
-Abstract to be written ...
+This recipe introduces the superbuild pattern with a very simple example. We
+will show how to use the
+[ExternalProject_Add](https://cmake.org/cmake/help/latest/module/ExternalProject.html)
+command to build a simple "Hello, World" program.
+
 
 - [cxx-example](cxx-example/)

chapter-08/recipe-01/abstract.md

@@ -0,0 +1,4 @@
+This recipe introduces the superbuild pattern with a very simple example. We
+will show how to use the
+[ExternalProject_Add](https://cmake.org/cmake/help/latest/module/ExternalProject.html)
+command to build a simple "Hello, World" program.

chapter-08/recipe-02/README.md

@@ -1,5 +1,9 @@
 # Managing dependencies with a superbuild: I. The Boost libraries
 
-Abstract to be written ...
+This recipe shows how to leverage the superbuild pattern to ship your code with
+the confidence that a missing dependency will not stop the configuration.  We
+will reuse the code example from [Recipe 8 in Chapter
+3](../../chapter-03/recipe-08), but reorganize it in the form of a superbuild.
+
 
 - [cxx-example](cxx-example/)

chapter-08/recipe-02/abstract.md

@@ -0,0 +1,4 @@
+This recipe shows how to leverage the superbuild pattern to ship your code with
+the confidence that a missing dependency will not stop the configuration.  We
+will reuse the code example from [Recipe 8 in Chapter
+3](../../chapter-03/recipe-08), but reorganize it in the form of a superbuild.

chapter-08/recipe-03/README.md

@@ -1,5 +1,8 @@
 # Managing dependencies with a superbuild: II. The FFTW library
 
-Abstract to be written ...
+In this recipe we show
+how to download, build, and install the
+[FFTW library](http://www.fftw.org) using a superbuild.
+
 
 - [c-example](c-example/)

chapter-08/recipe-03/abstract.md

@@ -0,0 +1,3 @@
+In this recipe we show
+how to download, build, and install the
+[FFTW library](http://www.fftw.org) using a superbuild.

chapter-08/recipe-04/README.md

@@ -1,6 +1,14 @@
 # Managing dependencies with a superbuild: III. The Google Test framework
 
-Abstract to be written ...
+In this recipe we reuse the code from [Recipe 3 in Chapter 4](../../chapter-04/recipe-03)
+and fetch and build the [Google Test](https://github.com/google/googletest) framework
+using [FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html), 
+which provides a compact and
+versatile module to assemble project dependencies at configure time. For additional insight
+and for CMake below 3.11, we will also discuss how to emulate [FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html) using
+[ExternalProject_Add](https://cmake.org/cmake/help/latest/module/ExternalProject_Add.html)
+at configure time.
+
 
 - [cxx-example](cxx-example/)
 - [cxx-example-3.5](cxx-example-3.5/)

chapter-08/recipe-04/abstract.md

@@ -0,0 +1,8 @@
+In this recipe we reuse the code from [Recipe 3 in Chapter 4](../../chapter-04/recipe-03)
+and fetch and build the [Google Test](https://github.com/google/googletest) framework
+using [FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html), 
+which provides a compact and
+versatile module to assemble project dependencies at configure time. For additional insight
+and for CMake below 3.11, we will also discuss how to emulate [FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html) using
+[ExternalProject_Add](https://cmake.org/cmake/help/latest/module/ExternalProject_Add.html)
+at configure time.

chapter-08/recipe-05/README.md

@@ -1,5 +1,10 @@
 # Managing your project as a superbuild
 
-Abstract to be written ...
+This recipe shows how to use
+[ExternalProject_Add](https://cmake.org/cmake/help/latest/module/ExternalProject_Add.html)
+to handle dependencies available from open source Git repositories.
+
+As an example we will build a project which depends on https://github.com/dev-cafe/message.
+
 
 - [cxx-example](cxx-example/)

chapter-08/recipe-05/abstract.md

@@ -0,0 +1,5 @@
+This recipe shows how to use
+[ExternalProject_Add](https://cmake.org/cmake/help/latest/module/ExternalProject_Add.html)
+to handle dependencies available from open source Git repositories.
+
+As an example we will build a project which depends on https://github.com/dev-cafe/message.