CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
project(squeeze)

# If you want to override compiler please uncomment the line below
#SET(CMAKE_C_COMPILER pathto/mycompiler)

set(CMAKE_BUILD_TYPE release)

# Set some CMake properties:
SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/bin)
SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMakeModules)
#include_directories(${CMAKE_SOURCE_DIR}/include)

# Check for compatibility with C11 and OpenMP
# Compile with C11 support.
include(CheckCCompilerFlag)
CHECK_C_COMPILER_FLAG("-std=c11" COMPILER_SUPPORTS_C11)
if(COMPILER_SUPPORTS_C11)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11")
else()
    message(STATUS "Your compiler (${CMAKE_C_COMPILER}) has no C11 support. If you are using clang on Apple OS X, please switch to gcc (version > 4.7) which is compliant with the C11 standard.")
endif()

# Compile with OpenMP support
find_package(OpenMP)
if (OPENMP_FOUND)
    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
else()
    message(STATUS "The compiler ${CMAKE_C_COMPILER} has no OpenMP 3.x support, and if you want to use OpenMP capabilities you will need to switch to a different compiler. gcc > 4.7 and clang > 3.7 both support OpenMP 3.x. ")
endif()

# We need to compile the following libraries

if(COMPILER_SUPPORTS_C11)
		#compile libraries
		# rngstreams
include(ExternalProject)
ExternalProject_Add(
  librngstreams
  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/rngstreams
  CONFIGURE_COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/lib/rngstreams/configure --silent
  BUILD_COMMAND make
  BUILD_IN_SOURCE 1
  INSTALL_COMMAND ""
)

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/lib/rngstreams)
set(LIBS ${LIBS} "${CMAKE_CURRENT_SOURCE_DIR}/lib/rngstreams/librngstreams.a")

# cfitsio
ExternalProject_Add(
  libcfitsio
  DOWNLOAD_COMMAND ""
  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/cfitsio
  CONFIGURE_COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/lib/cfitsio/configure --silent --disable-curl
  CMAKE_ARGS "-DUSE_PTHREADS=ON"
  BUILD_COMMAND make all
  BUILD_IN_SOURCE 1
  INSTALL_COMMAND ""
)

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/lib/cfitsio)
set(LIBS ${LIBS} "${CMAKE_CURRENT_SOURCE_DIR}/lib/cfitsio/libcfitsio.a")

# Build the main directory, always
add_subdirectory(src)
else()
	message(STATUS "SQUEEZE installation aborted")
endif()