Cmake setup

CMakelists.txt

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+cmake_minimum_required(VERSION 3.14)
+project(leaf)
+
+# set_target_properties(IEngine PROPERTIES LINKER_LANGUAGE CXX)
+
+# GoogleTest requires at least C++14
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+set(TEST_DIR
+    tests
+)
+
+set(SOURCE_DIR
+    src
+)
+
+set(SOURCE
+    ${SOURCE_DIR}/main.cpp
+)
+
+project(${PROJECT_NAME})
+
+# ########
+# GTest
+# ########
+include(FetchContent)
+FetchContent_Declare(
+    googletest
+    URL https://github.com/google/googletest/archive/e49c6b946a44f9a58586bfc76f75687d8f77e725.zip
+)
+
+# # For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+
+# ##########
+# Project
+# ##########
+# add_executable(${PROJECT_NAME} ${SOURCE})
+include_directories(${PROJECT_SOURCE_DIR}/src)
+
+set(SOURCE_FILES
+    ${CMAKE_SOURCE_DIR}/${SOURCE_DIR}/constants.hpp
+    ${CMAKE_SOURCE_DIR}/${SOURCE_DIR}/flametree.hpp
+    ${CMAKE_SOURCE_DIR}/${SOURCE_DIR}/leaffunction.hpp
+    ${CMAKE_SOURCE_DIR}/${SOURCE_DIR}/profiler.hpp
+    ${CMAKE_SOURCE_DIR}/${SOURCE_DIR}/rapl.hpp
+)
+
+add_executable(${PROJECT_NAME} "${SOURCE_FILES}")
+
+
+# #########################
+# TESTING
+# #########################
+enable_testing()
+
+set(TEST_FILES
+    ${TEST_DIR}/test.cpp
+)
+
+add_executable(
+    profiler_test
+    "${TEST_FILES}"
+)
+
+target_link_libraries(
+    profiler_test
+    GTest::gtest_main
+)
+
+include(GoogleTest)
+gtest_discover_tests(profiler_test)
+

build/.gitignore

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+*
+!.gitignore

tests/test.cpp

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+#include <gtest/gtest.h>
+
+// Demonstrate some basic assertions.
+TEST(HelloTest, BasicAssertions) {
+  // Expect two strings not to be equal.
+  EXPECT_STRNE("hello", "world");
+  // Expect equality.
+  EXPECT_EQ(7 * 6, 42);
+}