Add a cmake file.

src/syncterm/CMakeLists.txt

+project (SyncTERM C)
+
+cmake_minimum_required(VERSION 2.8.11)
+
+set(SOURCE
+	uifc32.c
+	uifcx.c
+)
+
+set(SOURCE
+	bbslist.c
+	uifcinit.c
+	../uifc/filepick.c
+	fonts.c
+	rlogin.c
+	telnet_io.c
+	conn_telnet.c
+	conn.c
+	../sbbs3/telnet.c
+	term.c
+	window.c
+	menu.c
+	../smblib/crc16.c
+	../smblib/crc32.c
+	../sbbs3/zmodem.c
+	../sbbs3/xmodem.c
+	st_crypt.c
+	syncterm.c
+	ooii.c
+	ooii_logons.c
+	ooii_cmenus.c
+	ooii_bmenus.c
+	ooii_sounds.c
+	ssh.c
+	modem.c
+	../comio/comio.c
+	conn_pty.c
+)
+
+if(WIN32)
+	list(APPEND SOURCE ../comio/comio_win32.c)
+else()
+	list(APPEND SOURCE ../comio/comio_nix.c)
+endif()
+
+add_executable(syncterm ${SOURCE})
+
+find_package(XPDev REQUIRED)
+include(${XPDev_CONFIG})
+add_dependencies(syncterm xpdev)
+target_include_directories(syncterm PRIVATE "${XPDev_DIR}/../../../include/xpdev")
+target_compile_definitions(syncterm PRIVATE $<TARGET_PROPERTY:xpdev,INTERFACE_COMPILE_DEFINITIONS>)
+target_include_directories(syncterm PRIVATE $<TARGET_PROPERTY:xpdev,INTERFACE_INCLUDE_DIRECTORIES>)
+target_link_libraries(syncterm xpdev)
+
+find_package(CIOLib REQUIRED)
+include(${CIOLib_CONFIG})
+add_dependencies(syncterm ciolib)
+target_include_directories(syncterm PRIVATE "${CIOLib_DIR}/../../../include")
+target_compile_definitions(syncterm PRIVATE $<TARGET_PROPERTY:ciolib,INTERFACE_COMPILE_DEFINITIONS>)
+target_include_directories(syncterm PRIVATE $<TARGET_PROPERTY:ciolib,INTERFACE_INCLUDE_DIRECTORIES>)
+target_link_libraries(syncterm ciolib)
+
+find_package(UIFC REQUIRED)
+include(${UIFC_CONFIG})
+add_dependencies(syncterm uifc)
+target_include_directories(syncterm PRIVATE "${UIFC_DIR}/../../../include")
+target_compile_definitions(syncterm PRIVATE $<TARGET_PROPERTY:uifc,INTERFACE_COMPILE_DEFINITIONS>)
+target_include_directories(syncterm PRIVATE $<TARGET_PROPERTY:uifc,INTERFACE_INCLUDE_DIRECTORIES>)
+target_link_libraries(syncterm uifc)
+
+target_include_directories(syncterm PRIVATE ../uifc)
+target_include_directories(syncterm PRIVATE ../sbbs3)
+target_include_directories(syncterm PRIVATE ../comio)
+target_include_directories(syncterm PRIVATE ../smblib)
+target_link_libraries(syncterm m)
+
+if(CMAKE_SYSTEM_NAME STREQUAL "NetBSD")
+	target_link_libraries(syncterm util)
+elseif(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+	target_link_libraries(syncterm util)
+elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+	target_link_libraries(syncterm util)
+elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+	target_link_libraries(syncterm util)
+endif()
+
+
+install(TARGETS syncterm DESTINATION bin)