cmake_minimum_required(VERSION 3.0)

set(${PROJECT_NAME}_VERSION_MAJOR 1)
set(${PROJECT_NAME}_VERSION_MINOR 0)
set(${PROJECT_NAME}_VERSION_SUFFIX "~dev")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y -pedantic -Wall -Wextra")

#
## Look for external libraries
#
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")
find_package(ICONV REQUIRED)
find_package(LIBUUID REQUIRED)
find_package(EXPAT REQUIRED)
set(EXPAT_FOUND ${EXPAT_FOUND} PARENT_SCOPE)

if(WITH_LIBIDN)
  find_package(LIBIDN REQUIRED)
elseif(NOT WITHOUT_LIBIDN)
  find_package(LIBIDN)
endif()

if(WITH_SYSTEMD)
  find_package(SYSTEMD REQUIRED)
elseif(NOT WITHOUT_SYSTEMD)
  find_package(SYSTEMD)
endif()

if(WITH_BOTAN)
  find_package(BOTAN REQUIRED)
elseif(NOT WITHOUT_BOTAN)
  find_package(BOTAN)
endif()

if(NOT BOTAN_FOUND)
  find_package(GCRYPT REQUIRED)
endif()

if(WITH_UDNS)
  find_package(UDNS REQUIRED)
elseif(NOT WITHOUT_UDNS)
  find_package(UDNS)
endif()

# To be able to include the config.h file generated by cmake
include_directories("${CMAKE_CURRENT_BINARY_DIR}")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
include_directories(${EXPAT_INCLUDE_DIRS})
include_directories(${ICONV_INCLUDE_DIRS})
include_directories(${LIBUUID_INCLUDE_DIRS})

set(POLLER_DOCSTRING "Choose the poller between POLL and EPOLL (Linux-only)")
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 set(POLLER "EPOLL" CACHE STRING ${POLLER_DOCSTRING})
else()
 set(POLLER "POLL" CACHE STRING ${POLLER_DOCSTRING})
endif()
if((NOT ${POLLER} MATCHES "POLL") AND
    (NOT ${POLLER} MATCHES "EPOLL"))
  message(FATAL_ERROR "POLLER must be either POLL or EPOLL")
endif()

#
## utils
#
file(GLOB source_utils
  utils/*.[hc]pp)
set(source_utils ${source_utils} PARENT_SCOPE)

#
## config
#
file(GLOB source_config
  config/*.[hc]pp)
set(source_config ${source_config} PARENT_SCOPE)

#
## logger
#
file(GLOB source_logger
  logger/*.[hc]pp)
set(source_logger ${source_logger} PARENT_SCOPE)

#
## network
#
file(GLOB source_network
  network/*.[hc]pp)
set(source_network ${source_network} PARENT_SCOPE)

#
## xmpplib
#
file(GLOB source_xmpplib
  xmpp/*.[hc]pp)
set(source_xmpplib ${source_xmpplib} PARENT_SCOPE)

# Define a __FILENAME__ macro with the relative path (from the base project directory)
# of each source file
file(GLOB_RECURSE source_all *.[hc]pp)
foreach(file ${source_all})
  file(RELATIVE_PATH shorter_file ${CMAKE_CURRENT_SOURCE_DIR} ${file})
  set_property(SOURCE ${file} APPEND PROPERTY COMPILE_DEFINITIONS __FILENAME__="${shorter_file}")
endforeach()

#
## Check if we have std::get_time
#
include(CheckCXXSourceCompiles)

check_cxx_source_compiles("
  #include <iomanip>
  int main()
  { std::get_time(nullptr, \"\"); }"
  HAS_GET_TIME)

mark_as_advanced(HAS_GET_TIME)

check_cxx_source_compiles("
  #include <iomanip>
  int main()
  { std::put_time(nullptr, \"\"); }"
  HAS_PUT_TIME)

mark_as_advanced(HAS_PUT_TIME)

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/louloulibs.h.cmake ${CMAKE_BINARY_DIR}/src/louloulibs.h)