CMakeLists.txt

cmake_minimum_required(VERSION 3.15.0 FATAL_ERROR)
project(BifCl C CXX)

include(cmake/CommonCMakeConfig.cmake)

find_package(BISON REQUIRED)
find_package(FLEX REQUIRED)

if(MSVC)
  add_compile_options(/J) # Similar to -funsigned-char on other platforms
  set_property(
    SOURCE bif_lex.cc
    APPEND_STRING
    PROPERTY COMPILE_FLAGS "/wd4018")
else()
  set_property(
    SOURCE bif_lex.cc
    APPEND_STRING
    PROPERTY COMPILE_FLAGS "-Wno-sign-compare")
endif()

include_directories(BEFORE ${BifCl_SOURCE_DIR}/include ${BifCl_BINARY_DIR})

set(BISON_FLAGS "--debug")

# BIF parser/scanner
bison_target(
  BIFParser builtin-func.y ${BifCl_BINARY_DIR}/bif_parse.cc
  DEFINES_FILE ${BifCl_BINARY_DIR}/bif_parse.h
  COMPILE_FLAGS "${BISON_FLAGS}")
flex_target(BIFScanner builtin-func.l ${BifCl_BINARY_DIR}/bif_lex.cc)
add_flex_bison_dependency(BIFScanner BIFParser)

set(bifcl_SRCS
    ${BISON_BIFParser_INPUT}
    ${FLEX_BIFScanner_INPUT}
    ${BISON_BIFParser_OUTPUTS}
    ${FLEX_BIFScanner_OUTPUTS}
    bif_arg.cc
    include/bif_arg.h
    module_util.cc
    include/module_util.h)

add_executable(bifcl ${bifcl_SRCS})
target_compile_features(bifcl PRIVATE cxx_std_17)
set_target_properties(bifcl PROPERTIES CXX_EXTENSIONS OFF)

if(MSVC)
  # If building separately from zeek, we need to add the libunistd subdirectory
  # so that linking doesn't fail.
  if("${CMAKE_PROJECT_NAME}" STREQUAL "BifCl")
    add_subdirectory(auxil/libunistd EXCLUDE_FROM_ALL)
  endif()
  target_link_libraries(bifcl PRIVATE libunistd)
endif()

install(TARGETS bifcl DESTINATION bin)

if(CMAKE_BUILD_TYPE)
  string(TOUPPER ${CMAKE_BUILD_TYPE} BuildType)
endif()

message(
  "\n====================|  Bifcl Build Summary  |====================="
  "\n"
  "\nBuild type:        ${CMAKE_BUILD_TYPE}"
  "\nBuild dir:         ${PROJECT_BINARY_DIR}"
  "\nInstall prefix:    ${CMAKE_INSTALL_PREFIX}"
  "\nDebug mode:        ${ENABLE_DEBUG}"
  "\n"
  "\nCC:                ${CMAKE_C_COMPILER}"
  "\nCFLAGS:            ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${BuildType}}"
  "\nCXX:               ${CMAKE_CXX_COMPILER}"
  "\nCXXFLAGS:          ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BuildType}}"
  "\nCPP:               ${CMAKE_CXX_COMPILER}"
  "\n"
  "\n================================================================\n")

include(UserChangedWarning)