CMakeLists.txt

cmake_minimum_required (VERSION 3.0.2)

# Use rpaths for now, previously there were issues with osx
SET(CMAKE_SKIP_BUILD_RPATH  FALSE)

# when building, don't use the install RPATH already
# (but later on when installing)
SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)

SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")

project(libgroomrl)

set(VERSION "\"1.0.0\"")

option(ENABLE_WRAPPERONLY "Creates a libgroomrl-fastjet for fastjet-contrib." OFF)

find_package(PythonInterp 3 REQUIRED)
find_package(PythonLibs   3 REQUIRED)

# running the cffi builder
if (NOT EXISTS ${PROJECT_SOURCE_DIR/src/cgroomrl.cc})
  execute_process(COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/src/build.py WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
endif()

if(ENABLE_WRAPPERONLY)

  include_directories(${PYTHON_INCLUDE_DIRS})
  include_directories(src)
  add_library(groomrl-fastjet SHARED src/cgroomrl.cc)

  # pkg-config
  set(prefix ${CMAKE_INSTALL_PREFIX})
  set(exec_prefix "${prefix}")
  set(includedir "${prefix}/include")
  set(extraincludirs "")
  set(libdir "${prefix}/lib")
  set(fastjetlibs "")
  set(pythonlibs "")

  configure_file(
    "${PROJECT_SOURCE_DIR}/src/groomrl.pc.in"
    "${PROJECT_SOURCE_DIR}/src/groomrl-fastjet.pc"
    )

  install(TARGETS groomrl-fastjet LIBRARY DESTINATION lib)
  install(FILES ${PROJECT_SOURCE_DIR}/src/groomrl-fastjet.pc DESTINATION lib/pkgconfig)
  install(DIRECTORY src/groomrl DESTINATION include)

else(ENABLE_WRAPPERONLY)

  # fastjet
  find_program(FASTJET_CONFIG fastjet-config REQUIRED)
  if (FASTJET_CONFIG)
    exec_program(${FASTJET_CONFIG}
      ARGS --cxxflags
      OUTPUT_VARIABLE FASTJET_CXX_FLAGS
    )
    set(FASTJET_CXX_FLAGS ${FASTJET_CXX_FLAGS} CACHE STRING INTERNAL)
    exec_program(${FASTJET_CONFIG}
      ARGS --libs
      OUTPUT_VARIABLE FASTJET_LDFLAGS
    )
    set(FASTJET_LDFLAGS ${FASTJET_LDFLAGS} CACHE STRING INTERNAL)
  endif(FASTJET_CONFIG)

  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FASTJET_CXX_FLAGS}")
  include_directories(${PYTHON_INCLUDE_DIRS})
  include_directories(src)
  add_library(groomrl SHARED src/groomrl.cc src/cgroomrl.cc)

  # pkg-config
  set(prefix ${CMAKE_INSTALL_PREFIX})
  set(exec_prefix "${prefix}")
  set(includedir "${prefix}/include")
  set(extraincludirs "-I${PYTHON_INCLUDE_DIR} ${FASTJET_CXX_FLAGS}")
  set(libdir "${prefix}/lib")
  set(fastjetlibs "${FASTJET_LDFLAGS}")
  set(pythonlibs "${PYTHON_LIBRARIES}")

  configure_file(
    "${PROJECT_SOURCE_DIR}/src/groomrl.pc.in"
    "${PROJECT_SOURCE_DIR}/src/groomrl.pc"
    )

  install(FILES ${PROJECT_SOURCE_DIR}/src/groomrl.pc DESTINATION lib/pkgconfig)
  install(DIRECTORY src/groomrl DESTINATION include)
  install(TARGETS groomrl LIBRARY DESTINATION lib)

endif(ENABLE_WRAPPERONLY)