cmake: add FindLAMMPS.cmake.in

    add_dependencies(lammps ${LAMMPS_DEPS})

  endif()

  set_target_properties(lammps PROPERTIES OUTPUT_NAME lammps${LIB_SUFFIX})

  if(BUILD_SHARED_LIBS)

  set_target_properties(lammps PROPERTIES SOVERSION ${SOVERSION})

  install(TARGETS lammps LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})

  install(FILES ${LAMMPS_SOURCE_DIR}/library.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/lammps)

  configure_file(pkgconfig/liblammps.pc.in ${CMAKE_CURRENT_BINARY_DIR}/liblammps${LIB_SUFFIX}.pc @ONLY)

  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/liblammps${LIB_SUFFIX}.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)

  endif()

  configure_file(FindLAMMPS.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/FindLAMMPS${LIB_SUFFIX}.cmake @ONLY)

  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/FindLAMMPS${LIB_SUFFIX}.cmake DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/Module)

else()

  list(APPEND LMP_SOURCES ${LIB_SOURCES})

endif()

# - Find liblammps

# Find the native liblammps headers and libraries.

#

# The following variables will set:

#  LAMMPS_INCLUDE_DIRS - where to find lammps/library.h, etc.

#  LAMMPS_LIBRARIES    - List of libraries when using lammps.

#  LAMMPS_VERSION      - lammps library version 

#  LAMMPS_FOUND        - True if liblammps found.

#

# In addition a LAMMPS::LAMMPS imported target is getting created.

#

#  LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator

#  http://lammps.sandia.gov, Sandia National Laboratories

#  Steve Plimpton, sjplimp@sandia.gov

#

#  Copyright (2003) Sandia Corporation.  Under the terms of Contract

#  DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains

#  certain rights in this software.  This software is distributed under

#  the GNU General Public License.

#

#  See the README file in the top-level LAMMPS directory.

#

find_package(PkgConfig)

pkg_check_modules(PC_LAMMPS liblammps@LIB_SUFFIX@)

find_path(LAMMPS_INCLUDE_DIR lammps/library.h HINTS ${PC_LAMMPS_INCLUDE_DIRS} @CMAKE_INSTALL_FULL_INCLUDEDIR@)

# TODO figure out library version from header

set(LAMMPS_VERSION 20180822)

find_library(LAMMPS_LIBRARY NAMES lammps@LIB_SUFFIX@ HINTS ${PC_LAMMPS_LIBRARY_DIRS} @CMAKE_INSTALL_FULL_LIBDIR@)

set(LAMMPS_INCLUDE_DIRS "${LAMMPS_INCLUDE_DIR}")

set(LAMMPS_LIBRARIES "${LAMMPS_LIBRARY}")

include(FindPackageHandleStandardArgs)

# handle the QUIETLY and REQUIRED arguments and set LAMMPS_FOUND to TRUE

# if all listed variables are TRUE

find_package_handle_standard_args(LAMMPS REQUIRED_VARS LAMMPS_LIBRARY LAMMPS_INCLUDE_DIR VERSION_VAR LAMMPS_VERSION)

mark_as_advanced(LAMMPS_INCLUDE_DIR LAMMPS_LIBRARY)

if(LAMMPS_FOUND AND NOT TARGET LAMMPS::LAMMPS)

  add_library(LAMMPS::LAMMPS UNKNOWN IMPORTED)

  set_target_properties(LAMMPS::LAMMPS PROPERTIES IMPORTED_LOCATION ${LAMMPS_LIBRARY} INTERFACE_INCLUDE_DIRECTORIES ${LAMMPS_INCLUDE_DIR})

endif()