# Copyright © 2013 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Authored by: Thomas Voss <thomas.voss@canonical.com>

cmake_minimum_required(VERSION 2.8)

project(process-cpp)

find_package(Boost COMPONENTS iostreams system REQUIRED)
find_package(PkgConfig REQUIRED)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
find_package(Backtrace)

pkg_check_modules(PROPERTIES_CPP properties-cpp)

include(GNUInstallDirs)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -pedantic -Wextra -fvisibility=hidden")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fno-strict-aliasing -fvisibility=hidden -fvisibility-inlines-hidden -pedantic -Wextra")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")

option(PROCESS_CPP_WERROR "Treat warnings as errors" ON)

if(PROCESS_CPP_WERROR)
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Wno-error=format")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wno-error=format")
endif(PROCESS_CPP_WERROR)

string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type_lower)

#####################################################################
# Enable code coverage calculation with gcov/gcovr/lcov
# Usage:
#  * Switch build type to coverage (use ccmake or cmake-gui)
#  * Invoke make, make test, make coverage
#  * Find html report in subdir coveragereport
#  * Find xml report feasible for jenkins in coverage.xml
#####################################################################
IF(cmake_build_type_lower MATCHES coverage)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftest-coverage -fprofile-arcs" )
  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftest-coverage -fprofile-arcs" )
  SET(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -ftest-coverage -fprofile-arcs" )
  SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -ftest-coverage -fprofile-arcs" )
ENDIF(cmake_build_type_lower MATCHES coverage)

set(PROCESS_CPP_VERSION_MAJOR 3)
set(PROCESS_CPP_VERSION_MINOR 0)
set(PROCESS_CPP_VERSION_PATCH 0)

include(CTest)

include_directories(
  include/

  ${Boost_INCLUDE_DIRS}
  ${PROPERTIES_CPP_INCLUDE_DIRS}
)

add_subdirectory(doc)
add_subdirectory(data)
add_subdirectory(include)
add_subdirectory(src)

if (BUILD_TESTING)
  add_subdirectory(tests)
endif ()