From cb50428fd33726ea430cb4998903235dfc5a1d82 Mon Sep 17 00:00:00 2001
From: Ladislas de Toldi <ladislas@detoldi.me>
Date: Wed, 14 Dec 2022 13:18:40 +0100
Subject: [PATCH] :loud_sound: (cmake): ut - print out flags, options,
 definitions when configuring

---
 CMakeLists.txt            | 12 +----
 cmake/utils/Utils.cmake   | 93 +++++++++++++++++++++++++++++++++++++++
 tests/unit/CMakeLists.txt | 23 +++++++---
 3 files changed, 110 insertions(+), 18 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5aecf7fd4..4594174064 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -148,9 +148,6 @@ add_subdirectory(${BOOTLOADER_DIR})
 # Add LekaOS
 add_subdirectory(${OS_DIR})
 
-# Finally print the mbed-cmake build report
-mbed_cmake_print_build_report()
-
 #
 # MARK: - Misc. options
 #
@@ -160,11 +157,4 @@ if(VERBOSE_BUILD)
 	set(CMAKE_VERBOSE_MAKEFILE ON)
 endif()
 
-# Print options
-message(STATUS "")
-message(STATUS "CMAKE_EXPORT_COMPILE_COMMANDS --> ${CMAKE_EXPORT_COMPILE_COMMANDS}")
-message(STATUS "ENABLE_LOG_DEBUG              --> ${ENABLE_LOG_DEBUG}")
-message(STATUS "ENABLE_SYSTEM_STATS           --> ${ENABLE_SYSTEM_STATS}")
-message(STATUS "BUILD_TARGETS_FOR_BOOTLOADER  --> ${BUILD_TARGETS_TO_USE_WITH_BOOTLOADER}")
-message(STATUS "CMAKE_VERBOSE_MAKEFILE        --> ${VERBOSE_BUILD}")
-message(STATUS "")
+print_compilers_flags_options_definitions()
diff --git a/cmake/utils/Utils.cmake b/cmake/utils/Utils.cmake
index b03709de1c..3d766db090 100644
--- a/cmake/utils/Utils.cmake
+++ b/cmake/utils/Utils.cmake
@@ -121,3 +121,96 @@ function(target_link_custom_leka_targets TARGET)
 	# endif()
 	# endforeach()
 endfunction()
+
+function(print_compilers_flags_options_definitions)
+	set(LIST_PREFIX "\n--     ")
+
+	function(output_flags FLAGS)
+		set(PROJECT_FLAGS ${${FLAGS}})
+		string(REPLACE " " "${LIST_PREFIX}" PROJECT_FLAGS "${PROJECT_FLAGS}")
+
+		if(NOT PROJECT_FLAGS STREQUAL "")
+			message(STATUS "${FLAGS} (Global):${LIST_PREFIX}${PROJECT_FLAGS}")
+		else()
+			message(STATUS "${FLAGS} (Global): (empty)")
+		endif(NOT PROJECT_FLAGS STREQUAL "")
+
+		message(STATUS "")
+
+		set(PROJECT_FLAGS_BUILD_TYPE ${${FLAGS}_${CMAKE_BUILD_TYPE_UPPERCASE}})
+		string(REPLACE " " "${LIST_PREFIX}" PROJECT_FLAGS_BUILD_TYPE "${PROJECT_FLAGS_BUILD_TYPE}")
+
+		# message(STATUS "${FLAGS} (For ${CMAKE_BUILD_TYPE}):${LIST_PREFIX}${PROJECT_FLAGS_BUILD_TYPE}")
+		if(NOT PROJECT_FLAGS_BUILD_TYPE STREQUAL "")
+			message(STATUS "${FLAGS} (${CMAKE_BUILD_TYPE}):${LIST_PREFIX}${PROJECT_FLAGS_BUILD_TYPE}")
+		else()
+			message(STATUS "${FLAGS} (${CMAKE_BUILD_TYPE}): (empty)")
+		endif(NOT PROJECT_FLAGS_BUILD_TYPE STREQUAL "")
+
+		message(STATUS "")
+	endfunction(output_flags)
+
+	function(output_flags_build_type FLAGS)
+		set(PROJECT_FLAGS ${${FLAGS}})
+		string(REPLACE " " "${LIST_PREFIX}" PROJECT_FLAGS "${PROJECT_FLAGS}")
+		message(STATUS "${FLAGS} (Global):${LIST_PREFIX}${PROJECT_FLAGS}")
+		message(STATUS "")
+	endfunction(output_flags_build_type)
+
+	function(output_options_definitions OPTIONS_DEFINITIONS)
+		get_property(PROJECT_${OPTIONS_DEFINITIONS} DIRECTORY PROPERTY ${OPTIONS_DEFINITIONS})
+		string(REPLACE ";" "${LIST_PREFIX}" PROJECT_${OPTIONS_DEFINITIONS} "${PROJECT_${OPTIONS_DEFINITIONS}}")
+
+		if(NOT PROJECT_${OPTIONS_DEFINITIONS} STREQUAL "")
+			message(STATUS "${OPTIONS_DEFINITIONS}:${LIST_PREFIX}${PROJECT_${OPTIONS_DEFINITIONS}}")
+		else()
+			message(STATUS "${OPTIONS_DEFINITIONS}: (empty)")
+		endif(NOT PROJECT_${OPTIONS_DEFINITIONS} STREQUAL "")
+
+		message(STATUS "")
+	endfunction(output_options_definitions FLAGS_OPTIONS_DEFINITIONS)
+
+	string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UPPERCASE)
+
+	message(STATUS "")
+	message(STATUS ">> ")
+	message(STATUS ">> Build type & compilers")
+	message(STATUS ">> ")
+	message(STATUS "")
+
+	message(STATUS "CMAKE_BUILD_TYPE:   ${CMAKE_BUILD_TYPE}")
+	message(STATUS "CMAKE_C_COMPILER:   ${CMAKE_C_COMPILER}")
+	message(STATUS "CMAKE_CXX_COMPILER: ${CMAKE_CXX_COMPILER}")
+
+	message(STATUS "")
+	message(STATUS ">> ")
+	message(STATUS ">> C/C++ flags")
+	message(STATUS ">> ")
+	message(STATUS "")
+
+	output_flags(CMAKE_C_FLAGS)
+
+	output_flags(CMAKE_CXX_FLAGS)
+
+	output_flags(CMAKE_EXE_LINKER_FLAGS)
+
+	message(STATUS ">> ")
+	message(STATUS ">> Compile & link options/definitions")
+	message(STATUS ">> ")
+	message(STATUS "")
+
+	output_options_definitions(COMPILE_OPTIONS)
+	output_options_definitions(LINK_OPTIONS)
+	output_options_definitions(COMPILE_DEFINITIONS)
+	output_options_definitions(LINK_DEFINITIONS)
+
+	message(STATUS ">> ")
+	message(STATUS ">> CMake options")
+	message(STATUS ">> ")
+	message(STATUS "")
+
+	message(STATUS "CMAKE_EXPORT_COMPILE_COMMANDS --> ${CMAKE_EXPORT_COMPILE_COMMANDS}")
+	message(STATUS "CMAKE_VERBOSE_MAKEFILE        --> ${CMAKE_VERBOSE_MAKEFILE}")
+
+	message(STATUS "")
+endfunction()
diff --git a/tests/unit/CMakeLists.txt b/tests/unit/CMakeLists.txt
index 310f1b7b3a..418f27f652 100644
--- a/tests/unit/CMakeLists.txt
+++ b/tests/unit/CMakeLists.txt
@@ -129,6 +129,13 @@ set(LIBS_DIR ${ROOT_DIR}/libs)
 set(DRIVERS_DIR ${ROOT_DIR}/drivers)
 set(INCLUDE_DIR ${ROOT_DIR}/include)
 
+#
+# MARK: - External tools
+#
+list(APPEND CMAKE_MODULE_PATH ${ROOT_DIR}/cmake/utils)
+
+include(Utils)
+
 #
 # Mark: - Add GoogleTest & GMock
 #
@@ -317,12 +324,14 @@ if(VERBOSE_BUILD)
 	set(CMAKE_VERBOSE_MAKEFILE ON)
 endif()
 
-# Print options
+print_compilers_flags_options_definitions()
+
+message(STATUS ">> ")
+message(STATUS ">> External definitions")
+message(STATUS ">> ")
 message(STATUS "")
-message(STATUS "CMAKE_CXX_COMPILER            --> ${CMAKE_CXX_COMPILER}")
-message(STATUS "CMAKE_EXPORT_COMPILE_COMMANDS --> ${CMAKE_EXPORT_COMPILE_COMMANDS}")
-message(STATUS "UT LITE                       --> ${UT_LITE}")
-message(STATUS "CODE_COVERAGE                 --> ${COVERAGE}")
-message(STATUS "SANITIZERS                    --> ${SANITIZERS}")
-message(STATUS "CMAKE_VERBOSE_MAKEFILE        --> ${VERBOSE_BUILD}")
+
+message(STATUS "UT LITE       --> ${UT_LITE}")
+message(STATUS "CODE_COVERAGE --> ${COVERAGE}")
+message(STATUS "SANITIZERS    --> ${SANITIZERS}")
 message(STATUS "")