cmake: initial commit

.Trashes

ehthumbs.db

Thumbs.db

#cmake

/build*

/CMakeCache.txt

/CMakeFiles/

/Makefile

/cmake_install.cmake

/lmp

cmake_minimum_required(VERSION 3.1)

project(lammps)

set(SOVERSION 0)

if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_C_FLAGS)

  #release comes with -O3 by default

  set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel." FORCE)

endif(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_C_FLAGS)

enable_language(CXX)

######################################################################

# compiler tests

# these need ot be done early (before further tests).

#####################################################################

include(CheckCCompilerFlag)

########################################################################

# User input options                                                   #

########################################################################

option(BUILD_SHARED_LIBS "Build shared libs" OFF)

include(GNUInstallDirs)

option(ENABLE_MPI "Build MPI version" OFF)

if(ENABLE_MPI)

  find_package(MPI)

  include_directories(${MPI_C_INCLUDE_PATH})

  set(MPI_SOURCES)

else()

  file(GLOB MPI_SOURCES src/STUBS/mpi.c)

  include_directories(src/STUBS)

  set(MPI_CXX_LIBRARIES)

endif()

find_package(UnixCommands)

option(CMAKE_VERBOSE_MAKEFILE "Verbose makefile" OFF)

########################################################################

# Basic system tests (standard libraries, headers, functions, types)   #

########################################################################

include(CheckIncludeFile)

foreach(HEADER math.h)

  check_include_file(${HEADER} FOUND_${HEADER})

  if(NOT FOUND_${HEADER})

    message(FATAL_ERROR "Could not find needed header - ${HEADER}")

  endif(NOT FOUND_${HEADER})

endforeach(HEADER)

set(MATH_LIBRARIES "m" CACHE STRING "math library")

mark_as_advanced( MATH_LIBRARIES )

include(CheckLibraryExists)

foreach(FUNC sin cos)

  check_library_exists(${MATH_LIBRARIES} ${FUNC} "" FOUND_${FUNC}_${MATH_LIBRARIES})

  if(NOT FOUND_${FUNC}_${MATH_LIBRARIES})

    message(FATAL_ERROR "Could not find needed math function - ${FUNC}")

  endif(NOT FOUND_${FUNC}_${MATH_LIBRARIES})

endforeach(FUNC)

######################################

# Include the following subdirectory # 

######################################

#Do NOT go into src to not conflict with old Makefile build system

#add_subdirectory(src)

file(GLOB LIB_SOURCES src/*.cpp)

file(GLOB LMP_SOURCES src/main.cpp)

list(REMOVE_ITEM LIB_SOURCES ${LMP_SOURCES})

add_custom_target(style COMMAND ${BASH} Make.sh style WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/src)

add_library(lammps ${LIB_SOURCES} ${MPI_SOURCES})

add_dependencies(lammps style)

# better but slower

#add_custom_command(TARGET lammps PRE_BUILD COMMAND ${BASH} Make.sh style WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/src)

target_link_libraries(lammps ${MPI_CXX_LIBRARIES} ${MATH_LIBRARIES})

set_target_properties(lammps PROPERTIES SOVERSION ${SOVERSION})

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

add_executable(lmp ${LMP_SOURCES})

target_link_libraries(lmp lammps)

install(TARGETS lammps DESTINATION ${CMAKE_INSTALL_BINDIR})