Update to minimum CMake 3.5

And modernise some examples.

05-unit-testing/boost/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 
 # Set the project name
 project (boost_unit_test)
@@ -7,19 +7,21 @@ project (boost_unit_test)
 # find a boost install with the libraries unit_test_framework
 find_package(Boost 1.46.1 REQUIRED COMPONENTS unit_test_framework)
 
-set (SOURCES
+# Add an library for the example classes
+add_library(example_boost_unit_test
     Reverse.cpp
     Palindrome.cpp
-    )
+)
 
-include_directories(
-    ${Boost_INCLUDE_DIRS}
-    ${CMAKE_CURRENT_SOURCE_DIR}
-    )
-
-# Add an library for the example classes
-add_library(example_boost_unit_test ${SOURCES})
+target_include_directories(example_boost_unit_test
+    PUBLIC
+        ${CMAKE_CURRENT_SOURCE_DIR}
+)
 
+target_link_libraries(example_boost_unit_test
+    PUBLIC
+        Boost::boost
+)
 
 #############################################
 # Unit tests
@@ -32,7 +34,7 @@ add_executable(unit_tests unit_tests.cpp)
 
 target_link_libraries(unit_tests
     example_boost_unit_test
-    ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY}
+    Boost::unit_test_framework
 )
 
 target_compile_definitions(unit_tests

05-unit-testing/boost/README.adoc

@@ -59,10 +59,13 @@ add_executable(unit_tests unit_tests.cpp)
 
 target_link_libraries(unit_tests
     example_boost_unit_test
-    ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY}
+    Boost::unit_test_framework
 )
 
-add_definitions (-DBOOST_TEST_DYN_LINK)
+target_compile_definitions(unit_tests
+    PRIVATE
+        BOOST_TEST_DYN_LINK
+)
 ----
 
 In the above code, a unit test binary is added, which links against the boost unit-test-framework

05-unit-testing/catch-vendored/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 
 # Set the project name
 project (catch_unit_test)

05-unit-testing/google-test-download/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 
 # Set the project name
 project (google_test_example)