Add -ftime-trace and UNITY build support options

Author: lefticus

CMakeLists.txt

@@ -8,6 +8,13 @@ include(cmake/StandardProjectSettings.cmake)
 add_library(project_options INTERFACE)
 target_compile_features(project_options INTERFACE cxx_std_17)
 
+if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
+ option(ENABLE_BUILD_WITH_TIME_TRACE "Enable -ftime-trace to generate time tracing .json files on clang" OFF)
+ if (ENABLE_BUILD_WITH_TIME_TRACE)
+ add_compile_definitions(project_options INTERFACE -ftime-trace)
+ endif()
+endif()
+ 
 # Link this 'library' to use the warnings specified in CompilerWarnings.cmake
 add_library(project_warnings INTERFACE)
 
@@ -35,7 +42,7 @@ if (ENABLE_PCH)
  # This sets a global PCH parameter, each project will build its own PCH, which
  # is a good idea if any #define's change
  # 
- # 
+ # consider breaking this out per project as necessary 
  target_precompile_headers(project_options INTERFACE <vector> <string> <map> <utility>)
 endif()
 
@@ -81,3 +88,12 @@ endif()
 
 
 add_subdirectory(src)
+
+
+option(ENABLE_UNITY "Enable Unity builds of projects" OFF)
+if (ENABLE_UNITY)
+ # Add for any project you want to apply unity builds for
+ set_target_properties(intro PROPERTIES UNITY_BUILD ON)
+endif()
+
+

cmake/StaticAnalyzers.cmake

@@ -22,9 +22,9 @@ if(ENABLE_CLANG_TIDY)
 endif()
 
 if(ENABLE_INCLUDE_WHAT_YOU_USE)
- find_program(INCLUDEWHATYOUUSE include-what-you-use)
- if(INCLUDEWHATYOUUSE)
- set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE ${INCLUDEWHATYOUUSE})
+ find_program(INCLUDE_WHAT_YOU_USE include-what-you-use)
+ if(INCLUDE_WHAT_YOU_USE)
+ set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE ${INCLUDE_WHAT_YOU_USE})
  else()
  message(SEND_ERROR "include-what-you-use requested but executable not found")
  endif()