CMakeLists.txt: Minor changes to my build to reduce pull request

Author: paulbendixen

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 3.8)
 
 option(BUILD_SHARED_LIBS "Enable compilation of shared libraries" FALSE)
 
@@ -33,12 +33,12 @@ else()
  -Wpedantic # warn if non-standard C++ is used
  -Wconversion # warn on type conversions that may lose data
  -Wsign-conversion # warn on sign conversions
- #-Wmisleading-indentation # warn if identation implies blocks where blocks do not exist
- #-Wduplicated-cond # warn if if / else chain has duplicated conditions
- #-Wduplicated-branches # warn if if / else branches have duplicated code
+ -Wmisleading-indentation # warn if identation implies blocks where blocks do not exist
+ -Wduplicated-cond # warn if if / else chain has duplicated conditions
+ -Wduplicated-branches # warn if if / else branches have duplicated code
  -Wlogical-op # warn about logical operations being used where bitwise were
  # probably wanted
- #-Wnull-dereference # warn if a null dereference is detected
+ -Wnull-dereference # warn if a null dereference is detected
  -Wuseless-cast # warn if you perform a cast to the same type
  -Wdouble-promotion # warn if float is implicit promoted to double
  -Wformat=2 # warn on security issues around functions that format output
@@ -47,7 +47,7 @@ else()
 endif()
 
 add_executable(intro main.cpp)
-#target_compile_features(intro PRIVATE cxx_std_14)
+target_compile_features(intro PRIVATE cxx_std_17)
 target_link_libraries(intro PRIVATE project_warnings --coverage)
 
 enable_testing()
@@ -95,7 +95,7 @@ target_link_libraries(test_imgui PRIVATE project_warnings imgui)
 target_include_directories(test_imgui PRIVATE ${SFML_INCLUDE_DIR})
 endif()
 
-## Nana
+# Nana
 if( DEFINED CPP_STARTER_USE_NANA )
 include(ExternalProject)
 ExternalProject_add(