From de7070a35c829cb100babf04715ecd779f6250c9 Mon Sep 17 00:00:00 2001
From: Riyyi <riyyi3@gmail.com>
Date: Wed, 17 Aug 2022 16:23:22 +0200
Subject: [PATCH] CMake: Add compilation targets

---
 CMakeLists.txt | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..820b6e3
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,86 @@
+# ------------------------------------------
+# User config between these lines
+
+# Set project name
+set(PROJECT "ruc")
+
+# Unit tests
+option(RUC_BUILD_TESTS "Build the RUC test programs" ON)
+
+# ------------------------------------------
+
+cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
+project(${PROJECT} CXX)
+
+# ------------------------------------------
+# Setup C++ compiler
+
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# Compiler flags used for all build types
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wpedantic")
+# -Wall      = All warnings about contructions that are easily avoidable
+# -Wextra    = Extra warning flags not covered by -Wall
+# -Wpedantic = Warnings for compiler extensions not part of the standard
+
+# Set default build type if not specified
+set(DEFAULT_BUILD_TYPE Release)
+if(EXISTS ${CMAKE_SOURCE_DIR}/.git)
+	set(DEFAULT_BUILD_TYPE Debug)
+endif()
+if(NOT CMAKE_BUILD_TYPE)
+	set(CMAKE_BUILD_TYPE ${DEFAULT_BUILD_TYPE})
+endif()
+
+# Set build type specific compiler flags
+message("--- ${CMAKE_BUILD_TYPE} ---")
+if(${CMAKE_BUILD_TYPE} STREQUAL Debug)
+	set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og -g -pg")
+	# -Og = Optimizations that do not interfere with debugging
+	# -g  = Produce debugging information in OS's native format
+	# -pg = Generate profile information for analysis with gprof
+	# $ gprof <PROJECT> gmon.out > profile-data.txt
+elseif(${CMAKE_BUILD_TYPE} STREQUAL Release)
+	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
+	# -O3 = Optimizations that increase compilation time and performance
+endif()
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# ------------------------------------------
+# Library target
+
+# Define library source files
+file(GLOB_RECURSE LIBRARY_SOURCES "src/*.cpp")
+
+add_library(${PROJECT} STATIC ${LIBRARY_SOURCES})
+target_include_directories(${PROJECT} PRIVATE
+	"src")
+
+# ------------------------------------------
+# Unit test library target
+
+# Define source files
+file(GLOB TEST_LIBRARY_SOURCES "test/*.cpp" "src/util/timer.cpp")
+
+add_library(${PROJECT}-test STATIC ${TEST_LIBRARY_SOURCES})
+target_include_directories(${PROJECT}-test PRIVATE
+	"src"
+	"test")
+
+# ------------------------------------------
+# Unit test target
+
+if (RUC_BUILD_TESTS)
+	# Define test source files
+	file(GLOB_RECURSE TEST_SOURCES "test/*.cpp")
+	set(TEST_SOURCES ${TEST_SOURCES} ${LIBRARY_SOURCES})
+	list(REMOVE_ITEM TEST_SOURCES "${CMAKE_SOURCE_DIR}/src/main.cpp")
+
+	add_executable(${PROJECT}-unit-test ${TEST_SOURCES})
+	target_include_directories(${PROJECT}-unit-test PRIVATE
+		"src"
+		"test")
+endif()