cmake_minimum_required(VERSION 3.10)
project(extent-sampling VERSION 0.1.0)

find_package(GSL REQUIRED)
find_program(SC NAMES sc REQUIRED)
find_program(INDENT NAMES indent)

# Generate C source files from SC source files, and optionally indent
# them.
file(GLOB SC_SOURCES "src/*.sc")
foreach(sc_source ${SC_SOURCES})
  get_filename_component(source_basename ${sc_source} NAME_WE)
  set(c_file ${source_basename}.c)
  if(${INDENT} STREQUAL INDENT-NOTFOUND)
    add_custom_command(
      OUTPUT ${c_file}
      COMMAND ${SC} ${sc_source} ${c_file}
      DEPENDS ${sc_source} src/macros/macros.sc
      VERBATIM)
  else()
    add_custom_command(
      OUTPUT ${c_file}
      COMMAND ${SC} ${sc_source} ${c_file}
      COMMAND ${INDENT} ${c_file}
      DEPENDS ${sc_source} src/macros/macros.sc
      VERBATIM)
  endif()
  list(APPEND C_SOURCES ${c_file})
endforeach()

include_directories("include")

include(GNUInstallDirs)

add_library(extentsampling SHARED ${C_SOURCES})
set_target_properties(extentsampling PROPERTIES
  PUBLIC_HEADER "include/extent-sampling.h;include/gaussian-nd-random.h;include/nd-random.h;include/oracles.h")
install(TARGETS extentsampling LIBRARY
  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/extent-sampling)