Update to minimum CMake 3.5

And modernise some examples.

01-basic/E-installing/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 
 project(cmake_examples_install)
 
@@ -6,34 +6,29 @@ project(cmake_examples_install)
 # Create a library
 ############################################################
 
-# Source files to be used in the library
-set(library_SOURCES
+#Generate the shared library from the library sources
+add_library(cmake_examples_inst SHARED
     src/Hello.cpp
 )
 
-#Generate the shared library from the library sources
-add_library(cmake_examples_inst SHARED ${library_SOURCES})
-
-
 target_include_directories(cmake_examples_inst
-    PUBLIC ${PROJECT_SOURCE_DIR}/include
+    PUBLIC 
+        ${PROJECT_SOURCE_DIR}/include
 )
 
 ############################################################
 # Create an executable
 ############################################################
 
-# Source fles for the binary
-set(binary_SOURCES
+# Add an executable with the above sources
+add_executable(cmake_examples_inst_bin
     src/main.cpp
 )
 
-# Add an executable with the above sources
-add_executable(cmake_examples_inst_bin ${binary_SOURCES})
-
 # link the new hello_library target with the hello_binary target
 target_link_libraries( cmake_examples_inst_bin
-    PRIVATE cmake_examples_inst
+    PRIVATE 
+        cmake_examples_inst
 )
 
 ############################################################
@@ -49,6 +44,9 @@ install (TARGETS cmake_examples_inst_bin
 install (TARGETS cmake_examples_inst
     LIBRARY DESTINATION lib)
 
+# Header files
+install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/ 
+    DESTINATION include)
 
 # Config
 install (FILES cmake-examples.conf

01-basic/E-installing/README.adoc

@@ -17,7 +17,8 @@ $ tree
 ├── cmake-examples.conf
 ├── CMakeLists.txt
 ├── include
-│   └── Hello.h
+│   └── installing
+│       └── Hello.h
 ├── README.adoc
 └── src
     ├── Hello.cpp
@@ -26,7 +27,7 @@ $ tree
 
   * link:CMakeLists.txt[] - Contains the CMake commands you wish to run
   * link:cmake-examples.conf[] - An example configuration file
-  * link:include/Hello.h[] - The header file to include
+  * link:include/installing/Hello.h[] - The header file to include
   * link:src/Hello.cpp[] - A source file to compile
   * link:src/main.cpp[] - The source file with main
 
@@ -72,6 +73,16 @@ install (TARGETS cmake_examples_inst
 ----
 ====
 
+
+[source,cmake]
+----
+install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/ 
+    DESTINATION include)
+----
+
+Install the header files for developing against the +cmake_examples_inst+ library
+into the +${CMAKE_INSTALL_PREFIX}/include+ directory.
+
 [source,cmake]
 ----
 install (FILES cmake-examples.conf

01-basic/E-installing/src/Hello.cpp

@@ -1,6 +1,6 @@
 #include <iostream>
 
-#include "Hello.h"
+#include "installing/Hello.h"
 
 void Hello::print()
 {

01-basic/E-installing/src/main.cpp

@@ -1,8 +1,8 @@
-#include "Hello.h"
+#include "installing/Hello.h"
 
 int main(int argc, char *argv[])
 {
     Hello hi;
     hi.print();
     return 0;
-}
+}