cmake_minimum_required(VERSION 3.13 FATAL_ERROR)

PROJECT(StructuredGrid)

#-----------------------------------------------------------------------------
# We will enforce an out of source build.
STRING(COMPARE EQUAL "${${PROJECT_NAME}_SOURCE_DIR}"
  "${${PROJECT_NAME}_BINARY_DIR}" INSOURCE)
if(INSOURCE)
  MESSAGE(FATAL_ERROR "${PROJECT_NAME} requires an out of source build.\n"
  "Please create a separate binary directory and run CMake there.")
endif(INSOURCE)

#-----------------------------------------------------------------------------
# Compile options
#   - used when compiling targets from the current directory and below.
# if (MSVC)
#   # Warning level 4, add /WX for all warnings as errors.
#   add_compile_options(/W4)
# else()
#   # Lots of warnings, add -werror for all warnings as errors.
#   add_compile_options(-Wall -Wextra -pedantic)
# endif()

#-----------------------------------------------------------------------------
# Set the C++ Standard.
# Supported values are 98, 11, 14, 17, and 20.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
# Enable this if you need -std=c++14 instead of -std=g++14 for gcc compilers.
# This must be set before the target-definition (add_library or add_executable).
#set(CMAKE_CXX_EXTENSIONS OFF)

#-----------------------------------------------------------------------------
# Output directories.
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin CACHE PATH
  "Single output directory for building all executables.")

find_package(VTK
 COMPONENTS
    CommonColor
    CommonCore
    CommonDataModel
    IOXML
    RenderingAnnotation
    RenderingCore
    # These modules are suggested since they implement an existing module.
    # Uncomment those you need.
    InteractionStyle  # implements VTK::RenderingCore
    # RenderingFreeType # implements VTK::RenderingCore
    RenderingOpenGL2  # implements VTK::RenderingCore
    # RenderingUI       # implements VTK::RenderingCore
)

message (STATUS "VTK_VERSION: ${VTK_VERSION}")


# Source files
set( Srcs
  StructuredGrid.cxx
)

# Include files
set( Incs
)

add_executable(${PROJECT_NAME} MACOSX_BUNDLE ${Srcs} ${Incs} )
target_link_libraries(${PROJECT_NAME} PRIVATE ${VTK_LIBRARIES})
# vtk_module_autoinit is needed
vtk_module_autoinit(
  TARGETS ${PROJECT_NAME}
  MODULES ${VTK_LIBRARIES}
)

#-----------------------------------------------------------------------------
# Set compiler and linker flags for a single target with
#  target_compile_options and target_link_options.
if (MSVC)
  # Warning level 4, add /WX for all warnings as errors.
  target_compile_options(${PROJECT_NAME} PRIVATE /W4)
else()
  # Lots of warnings, add -werror for all warnings as errors.
  target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -pedantic)
endif()