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cmake_minimum_required(VERSION 2.8.7)
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
include(AppendCompilerFlags)
## Project information ##
project(sdsl CXX C)
set(PROJECT_VENDOR "Simon Gog")
set(PROJECT_CONTACT "simon.gog@gmail.com")
set(PROJECT_URL "https://github.com/simongog/sdsl-lite")
set(PROJECT_DESCRIPTION "SDSL: Succinct Data Structure Library")
set(CMAKE_BUILD_TYPE "Release")
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/VERSION" PROJECT_VERSION_FULL)
string(REGEX REPLACE "[\n\r]" "" PROJECT_VERSION_FULL "${PROJECT_VERSION_FULL}")
string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+$" "\\1" PROJECT_VERSION_MAJOR "${PROJECT_VERSION_FULL}")
string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+$" "\\1" PROJECT_VERSION_MINOR "${PROJECT_VERSION_FULL}")
string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+)$" "\\1" PROJECT_VERSION_PATCH "${PROJECT_VERSION_FULL}")
set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}")
math(EXPR LIBRARY_VERSION_MAJOR "1 + ${PROJECT_VERSION_MAJOR}")
set(LIBRARY_VERSION_MINOR "${PROJECT_VERSION_MINOR}")
set(LIBRARY_VERSION_PATCH "${PROJECT_VERSION_PATCH}")
set(LIBRARY_VERSION "${LIBRARY_VERSION_MAJOR}.${LIBRARY_VERSION_MINOR}")
set(LIBRARY_VERSION_FULL "${LIBRARY_VERSION}.${LIBRARY_VERSION_PATCH}")
option(CODE_COVERAGE "Set ON to add code coverage compile options" OFF)
# C++11 compiler Check
if(NOT CMAKE_CXX_COMPILER_VERSION) # work around for cmake versions smaller than 2.8.10
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE CMAKE_CXX_COMPILER_VERSION)
endif()
if(CMAKE_CXX_COMPILER MATCHES ".*clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CMAKE_COMPILER_IS_CLANGXX 1)
endif()
if( (CMAKE_COMPILER_IS_GNUCXX AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4.7) OR
(CMAKE_COMPILER_IS_CLANGXX AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 3.2))
message(FATAL_ERROR "Your C++ compiler does not support C++11. Please install g++ 4.7 (or greater) or clang 3.2 (or greater)")
else()
message(STATUS "Compiler is recent enough to support C++11.")
endif()
if( CMAKE_COMPILER_IS_GNUCXX )
append_cxx_compiler_flags("-std=c++11 -Wall -Wextra -DNDEBUG" "GCC" CMAKE_CXX_FLAGS)
append_cxx_compiler_flags("-O3 -ffast-math -funroll-loops" "GCC" CMAKE_CXX_OPT_FLAGS)
if ( CODE_COVERAGE )
append_cxx_compiler_flags("-g -fprofile-arcs -ftest-coverage -lgcov" "GCC" CMAKE_CXX_FLAGS)
endif()
else()
append_cxx_compiler_flags("-std=c++11 -DNDEBUG" "CLANG" CMAKE_CXX_FLAGS)
append_cxx_compiler_flags("-stdlib=libc++" "CLANG" CMAKE_CXX_FLAGS)
append_cxx_compiler_flags("-O3 -ffast-math -funroll-loops" "CLANG" CMAKE_CXX_OPT_FLAGS)
endif()
## disable machine-specific flags
# include(CheckSSE4_2)
# if( BUILTIN_POPCNT )
# if( CMAKE_COMPILER_IS_GNUCXX )
# append_cxx_compiler_flags("-msse4.2" "GCC" CMAKE_CXX_OPT_FLAGS)
# else()
# append_cxx_compiler_flags("-msse4.2" "CLANG" CMAKE_CXX_OPT_FLAGS)
# endif()
# endif()
include(GNUInstallDirs)
## we use packaged libdivsufsort
# add_subdirectory(external)
add_subdirectory(include)
add_subdirectory(lib)
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/Make.helper.cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/Make.helper" @ONLY)
## Add 'uninstall' target ##
CONFIGURE_FILE(
"${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/CMakeModules/cmake_uninstall.cmake"
IMMEDIATE @ONLY)
ADD_CUSTOM_TARGET(uninstall
"${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/CMakeModules/cmake_uninstall.cmake")
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