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CMake: Improve build type detection

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Riyyi
2022-01-29 17:37:44 +01:00
parent 49448de932
commit d8a752ac83
1 changed files with 28 additions and 26 deletions
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CMakeLists.txt
+28 -26
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@@ -3,9 +3,6 @@
# Set project name
set(PROJECT "stowage")
# Set debugging, ON/OFF
set(DEBUG "ON")
# ------------------------------------------
# Add 'make run' target
@@ -18,29 +15,6 @@ add_custom_target(run
cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
project(${PROJECT} CXX)
# Check if the build should include debugging symbols
option(DEBUG "" ${DEBUG})
if(DEBUG)
# cmake -DDEBUG=on .. && make
message("--- Debug ---")
set(CMAKE_BUILD_TYPE "Debug")
# -Og = Optimizations that do not interfere with debugging
# -Wall = All warnings about contructions that are easily avoidable
# -Wextra = Extra warning flags not covered by -Wall
# -g = Produce debugging information in OS's native format
# -pg = Generate profile information for analysis with gprof
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og -Wall -Wextra -g -pg")
# gprof <PROJECT> gmon.out > profile-data.txt
else()
# cmake -DDEBUG=off .. && make
message("--- Release ---")
set(CMAKE_BUILD_TYPE "Release")
# -O3 = Optimizations that increases compilation time and performance
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
endif()
# ------------------------------------------
# Setup C++ compiler
@@ -48,6 +22,34 @@ set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# Compiler flags used for all build types
set(CMAKE_CXX_FLAGS "${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)
# ------------------------------------------