add_library(main_lib INTERFACE)

# Internally we need to make a distinction between "nvim without runtime files"
# (nvim_bin) and "nvim with runtime files" (nvim).
add_executable(nvim_bin EXCLUDE_FROM_ALL)

set_target_properties(nvim_bin
  PROPERTIES
  EXPORT_COMPILE_COMMANDS ON
  ENABLE_EXPORTS TRUE
  OUTPUT_NAME nvim)

#-------------------------------------------------------------------------------
# Dependencies
#-------------------------------------------------------------------------------

add_library(nlua0 MODULE)
if(WIN32)
  target_compile_definitions(nlua0 PUBLIC LUA_BUILD_AS_DLL LUA_LIB)
  set_target_properties(nlua0 PROPERTIES ENABLE_EXPORTS TRUE)
elseif(APPLE)
  target_link_options(nlua0 PRIVATE -undefined dynamic_lookup)
endif()

# TODO(dundargoc): unittest stops working if I create an pseudo-imported
# library "luv" as with the other dependencies. Figure out why and fix.
find_package(Luv 1.43.0 REQUIRED)
target_include_directories(main_lib SYSTEM BEFORE INTERFACE ${LUV_INCLUDE_DIR})
target_link_libraries(main_lib INTERFACE ${LUV_LIBRARY})

find_package(Iconv REQUIRED)
find_package(Libuv 1.28.0 REQUIRED)
find_package(Lpeg REQUIRED)
find_package(Treesitter 0.25.0 REQUIRED)
find_package(Unibilium 2.0 REQUIRED)
find_package(UTF8proc REQUIRED)

target_link_libraries(main_lib INTERFACE
  iconv
  lpeg
  treesitter
  unibilium
  utf8proc)
target_link_libraries(nlua0 PUBLIC lpeg)

if(ENABLE_LIBINTL)
  find_package(Libintl REQUIRED) # Libintl (not Intl) selects our FindLibintl.cmake script. #8464
  target_link_libraries(main_lib INTERFACE libintl)
endif()

if(ENABLE_WASMTIME)
  find_package(Wasmtime 29.0.1 EXACT REQUIRED)
  target_link_libraries(main_lib INTERFACE wasmtime)
  target_compile_definitions(nvim_bin PRIVATE HAVE_WASMTIME)
endif()

# The unit test lib requires LuaJIT; it will be skipped if LuaJIT is missing.
option(PREFER_LUA "Prefer Lua over LuaJIT in the nvim executable." OFF)
if(PREFER_LUA)
  find_package(Lua 5.1 EXACT REQUIRED)
  target_include_directories(main_lib SYSTEM BEFORE INTERFACE ${LUA_INCLUDE_DIR})
  target_include_directories(nlua0 SYSTEM BEFORE PUBLIC ${LUA_INCLUDE_DIR})
  target_link_libraries(main_lib INTERFACE ${LUA_LIBRARIES})
  # Passive (not REQUIRED): if LUAJIT_FOUND is not set, fixtures for unittests is skipped.
  find_package(Luajit)
else()
  find_package(Luajit REQUIRED)
  target_include_directories(main_lib SYSTEM BEFORE INTERFACE ${LUAJIT_INCLUDE_DIR})
  target_link_libraries(main_lib INTERFACE ${LUAJIT_LIBRARY})
  target_include_directories(nlua0 SYSTEM BEFORE PUBLIC ${LUAJIT_INCLUDE_DIR})
  if(WIN32)
    target_link_libraries(nlua0 PUBLIC ${LUAJIT_LIBRARY})
  endif()
endif()

#-------------------------------------------------------------------------------
# Compiler and linker options
#-------------------------------------------------------------------------------

if(NOT MSVC)
  target_compile_options(main_lib INTERFACE -Wall -Wextra -pedantic -Wno-unused-parameter
    -Wstrict-prototypes -std=gnu99 -Wshadow -Wconversion -Wvla
    -Wdouble-promotion
    -Wmissing-noreturn
    -Wmissing-format-attribute
    -Wmissing-prototypes
    -fsigned-char)

  # For O_CLOEXEC, O_DIRECTORY, and O_NOFOLLOW flags on older systems
  # (pre POSIX.1-2008: glibc 2.11 and earlier). #4042
  # For ptsname(). #6743
  target_compile_definitions(main_lib INTERFACE _GNU_SOURCE)
endif()

# -fstack-protector breaks Mingw-w64 builds
if(NOT MINGW)
  check_c_compiler_flag(-fstack-protector-strong HAS_FSTACK_PROTECTOR_STRONG_FLAG)
  if(HAS_FSTACK_PROTECTOR_STRONG_FLAG)
    target_compile_options(main_lib INTERFACE -fstack-protector-strong)
    target_link_libraries(main_lib INTERFACE -fstack-protector-strong)
  else()
    check_c_compiler_flag(-fstack-protector HAS_FSTACK_PROTECTOR_FLAG)
    if(HAS_FSTACK_PROTECTOR_FLAG)
      target_compile_options(main_lib INTERFACE -fstack-protector --param ssp-buffer-size=4)
      target_link_libraries(main_lib INTERFACE -fstack-protector --param ssp-buffer-size=4)
    endif()