cmake_minimum_required(VERSION 2.6)
enable_language (Fortran)
project(packmol)

# Build for release or debug purposes?
SET(CMAKE_BUILD_TYPE release)
#SET(CMAKE_BUILD_TYPE debug)

# Default flags for release and debug
set(CMAKE_Fortran_FLAGS_RELEASE "-Wall -O2")
set(CMAKE_Fortran_FLAGS_DEBUG "-Werror -g -O2")


# Common sources
SET(srcall cenmass.f gencan.f initial.f io.f fgcommon.f packmolnew.f
polartocart.f heuristics.f)
# Common headers
SET(headers sizes.i gencan.i molpa.i)
# Serial-only sources
SET(srcserial feasy.f geasy.f)
# Parallel-only sources
SET(srcparallel feasyparallel.f geasyparallel.f compindexes.f)


# Compile SMP version?
# Find_package doesn't currently support Fortran, so we need to do things by hand.
#find_package( OpenMP )

option(USE_OPENMP "Compile OpenMP enabled version?" OFF)
if(USE_OPENMP)
 # Determine necessary flags
 if(CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fopenmp")
 elseif(CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -openmp")
 else(CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
  message(SEND_ERROR "Makefile does not support the chosen Fortran compiler \"${CMAKE_Fortran_COMPILER_NAME}\" using OpenMP.")
 endif(CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")

 # Compile
 add_executable(ppackmol ${srcall} ${srcparallel})
else(USE_OPENMP)
 # Build the serial executable.
 add_executable(packmol ${srcall} ${srcserial})
endif(USE_OPENMP)