From 5b6d3e90315a5fb42880a2b5f19c359dd0cfda5e Mon Sep 17 00:00:00 2001
From: Joao Carreira <jfmcarreira@gmail.com>
Date: Sun, 3 Oct 2021 19:19:21 +0100
Subject: [PATCH] Add iwyu

---
 CMakeLists.txt     | 10 ++++++----
 lib/CMakeLists.txt |  4 ++++
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58c3798..e1dfffb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,6 +57,7 @@ OPTION(USE_DYNLOAD "Use dynamic load of modules" ON)
 OPTION(USE_SSE "Build with SSE support" ON)
 OPTION(USE_WERROR "Warnings as errors" OFF)
 OPTION(USE_STATIC "Use static libs" OFF)
+OPTION(USE_IWYU "Use include what you use tool" OFF)
 
 # ####################################################################################################################################################
 # Release configuration
@@ -237,10 +238,6 @@ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -funroll-loops")
 
 # if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic") endif()
 
-IF(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}  -Wlogical-op")
-ENDIF()
-
 IF(USE_WERROR)
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
 ENDIF()
@@ -253,6 +250,11 @@ IF(BUILD_WITH_THREAD_SANITIZER)
   SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=thread")
 ENDIF()
 
+IF(USE_IWYU)
+  FIND_PROGRAM(iwyu_path NAMES include-what-you-use iwyu REQUIRED)
+  SET(CXX_INCLUDE_WHAT_YOU_USE ON)
+ENDIF()
+
 # ####################################################################################################################################################
 # Configure targets
 # ####################################################################################################################################################
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index dd44ad0..c31049a 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -81,6 +81,10 @@ TARGET_LINK_LIBRARIES(${PROJECT_LIBRARY} ${CALYP_LIB_LINKER_DEPENDENCIES})
 # TARGET_INCLUDE_DIRECTORIES(${PROJECT_LIBRARY} PUBLIC $<INSTALL_INTERFACE:include> $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
 SET_TARGET_PROPERTIES(${PROJECT_LIBRARY} PROPERTIES VERSION ${CALYP_VERSION} SOVERSION ${CALYP_VERSION_MAJOR})
 
+IF(USE_IWYU)
+  SET_PROPERTY(TARGET ${PROJECT_LIBRARY} PROPERTY CXX_INCLUDE_WHAT_YOU_USE ${iwyu_path})
+ENDIF()
+
 EXPORT(TARGETS ${PROJECT_LIBRARY} FILE ${CMAKE_CURRENT_BINARY_DIR}/CalypTargets.cmake)
 EXPORT(PACKAGE ${PROJECT_LIBRARY})