CMakeLists.txt

cmake_minimum_required(VERSION 3.14)
set(CMAKE_CXX_STANDARD 17)              # Compile as C++17.
set(CMAKE_CXX_STANDARD_REQUIRED ON)     # Require C++17 support.

project(Oasis
        VERSION 2023.11
        DESCRIPTION "Oasis: an Optimal Disjoint Segmented Learned Range Filter"
        HOMEPAGE_URL "https://github.com/Woooooow-Pro/Oasis-RangeFilter"
        LANGUAGES C CXX
        )

if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
    message(STATUS "Setting build type to `Debug` as none was specified.")
    set(CMAKE_BUILD_TYPE "Debug")
endif ()

# People keep running CMake in the wrong folder, completely nuking their project or creating weird bugs.
# This checks if you're running CMake from a folder that already has CMakeLists.txt.
# Importantly, this catches the common case of running it from the root directory.
file(TO_CMAKE_PATH "${PROJECT_BINARY_DIR}/CMakeLists.txt" PATH_TO_CMAKELISTS_TXT)
if (EXISTS "${PATH_TO_CMAKELISTS_TXT}")
    message(FATAL_ERROR "Run CMake from a build subdirectory! \"mkdir build ; cd build ; cmake ..\" \
    Some junk files were created in this folder (CMakeCache.txt, CMakeFiles); you should delete those.")
endif ()


######################################################################################################################
# COMPILER SETUP
######################################################################################################################

if (NOT OASIS_SANITIZER)
    set(OASIS_SANITIZER address)
endif ()

# Compiler flags.
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -march=native -msse")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wextra -Wreorder")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wno-unused-parameter -Wno-attributes")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_DEBUG} -Ofast -fno-omit-frame-pointer -fno-optimize-sibling-calls")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -ggdb -fno-omit-frame-pointer -fno-optimize-sibling-calls")

set(CMAKE_POSITION_INDEPENDENT_CODE ON)

message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
message(STATUS "CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
message(STATUS "CMAKE_EXE_LINKER_FLAGS: ${CMAKE_EXE_LINKER_FLAGS}")
message(STATUS "CMAKE_SHARED_LINKER_FLAGS: ${CMAKE_SHARED_LINKER_FLAGS}")

# Output directory.
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)

# Includes.
set(OASIS_SRC_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/src/include ${PROJECT_SOURCE_DIR})

include_directories(${OASIS_SRC_INCLUDE_DIR})
include_directories(BEFORE src benchmark)

include_directories(/usr/local/include)
link_directories(/usr/local/lib)

######################################################################################################################
# Other CMake modules
# MUST BE ADDED AFTER CONFIGURING COMPILER PARAMETERS
######################################################################################################################

add_subdirectory(src)
add_subdirectory(benchmark)