set(TINY_CONVMEM_MCPC_ROOT "${PROJECT_SOURCE_DIR}/third_party/mcpc")

if(NOT EXISTS "${TINY_CONVMEM_MCPC_ROOT}/mcpc/mcpc.h")
  message(FATAL_ERROR
    "The vendored mcpc fork is missing from third_party/mcpc"
  )
endif()

# The upstream CMake target at the imported revision is incomplete. This source
# list defines the project-maintained vendored fork build.
set(TINY_CONVMEM_MCPC_SOURCES
  "${TINY_CONVMEM_MCPC_ROOT}/src/alloc.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/log.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/errcode.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/anydata.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/tool.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/rsc.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/prmpt.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/server.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/retbuf.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/ucbr.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/complt.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/serlz.c"
  "${TINY_CONVMEM_MCPC_ROOT}/src/mjson.c"
)

add_library(mcpc STATIC ${TINY_CONVMEM_MCPC_SOURCES})
add_library(mcpc::mcpc ALIAS mcpc)

target_include_directories(mcpc
  SYSTEM PUBLIC "${TINY_CONVMEM_MCPC_ROOT}"
  PRIVATE "${TINY_CONVMEM_MCPC_ROOT}/src"
)
target_compile_features(mcpc PUBLIC c_std_17)

if(MSVC)
  # These compatibility definitions affect mcpc's public headers as well as
  # its implementation, so consumers must compile with the same view.
  target_compile_definitions(mcpc PUBLIC
    is_win=1
    is_wincl=1
    MCPC_C23PTCH_KW1
    MCPC_C23PTCH_CKD1
    MCPC_C23PTCH_UCHAR1
    MCPC_C23GIVUP_FIXENUM
  )
  target_compile_options(mcpc PRIVATE /utf-8)
  target_link_libraries(mcpc PUBLIC ws2_32)
else()
  message(WARNING
    "Only Windows/MSVC is currently verified. Other toolchains are future work."
  )
endif()