cmake_minimum_required( VERSION 3.20 )

include_directories( ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR} )

# The project
set( FSON_SOURCE
  Value.cpp
  Number.cpp
  Array.cpp
  Object.cpp
  FsonParser.cpp
  FsonWriter.cpp
  IncludeResolver.cpp
  Fson.cpp
)

set( FSON_HEADER
  Comment.hh
  Include.hh
  IncludeResolver.hh
  Value.hh
  Null.hh
  Boolean.hh
  Number.hh
  String.hh
  Array.hh
  Object.hh
  Document.hh
  FsonParser.hh
  FsonWriter.hh
  Fson.hh
)

add_library( fson SHARED ${FSON_SOURCE} ${FSON_HEADER} )
target_link_libraries( fson cparse )
# Warning flags for fson's own translation units (PRIVATE — not propagated to
# consumers or to the cparse submodule). -Winit-self diagnoses self-referential
# initialisation such as `int x = x;`; it is not implied by -Wall/-Wextra on
# GCC and must be requested explicitly, which is why such a bug can hide in a
# flag set that lacks it. Guarded to GNU/Clang so MSVC or other toolchains are
# unaffected.
if( CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" )
  target_compile_options( fson PRIVATE -Winit-self )
endif()
# Propagate include roots to consumers: FSON_MODULE_DIR resolves
# "fson/<Name>.hh", CPARSE_MODULE_DIR resolves the "cparse/<Name>.hh"
# headers that the public fson headers include. Host projects linking the
# fson target therefore need no manual include_directories of their own.
target_include_directories( fson PUBLIC
  $<BUILD_INTERFACE:${FSON_MODULE_DIR}>
  $<BUILD_INTERFACE:${CPARSE_MODULE_DIR}>
  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
set_target_properties( fson PROPERTIES VERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH} )
set_target_properties( fson PROPERTIES SOVERSION 1 )
set_target_properties( fson PROPERTIES POSITION_INDEPENDENT_CODE ON )

install( FILES ${FSON_HEADER}
         COMPONENT DEVELOPMENT
         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/fson )