check_include_file( alloca.h HAVE_ALLOCA_H )
check_include_file( arpa/inet.h HAVE_ARPA_INET_H )
check_include_files(ctype.h HAVE_CTYPE_H)
check_include_files(crypt.h HAVE_CRYPT_H)
check_include_file( direct.h HAVE_DIRECT_H )
check_include_file( dirent.h HAVE_DIRENT_H )
check_include_file( dlfcn.h HAVE_DLFCN_H )
check_include_file( errno.h HAVE_ERRNO_H )
check_include_file( execinfo.h HAVE_EXECINFO_H )
check_include_file( fcntl.h HAVE_FCNTL_H )
check_include_file( fenv.h HAVE_FENV_H )
check_include_files(fmemopen.h HAVE_FMEMOPEN_H)
check_include_file( fpu_control.h HAVE_FPU_CONTROL_H )
check_function_exists(gettid HAVE_GETTID) # gettid() actually doesn't exist by itself, one must call syscall(SYS_gettid); instead
check_symbol_exists(SYS_gettid sys/syscall.h HAVE_SYS_GETTID) #this only works if we force include syscall.h on the files that want to call gettid
check_include_file( ieeefp.h HAVE_IEEEFP_H )
check_include_file( inttypes.h HAVE_INTTYPES_H )
check_include_file( io.h HAVE_IO_H )
check_include_file( libgen.h HAVE_LIBGEN_H )
check_include_file( LibLoaderAPI.h HAVE_LIBLOADERAPI_H )
check_include_file( limits.h HAVE_LIMITS_H )
check_include_file( locale.h HAVE_LOCALE_H )
check_include_file( mach-o/dyld.h HAVE_MACH_O_DYLD_H )
check_include_file( malloc.h HAVE_MALLOC_H )
check_include_file( math.h HAVE_MATH_H )
check_include_file( memory.h HAVE_MEMORY_H )
check_include_file( mpe.h HAVE_MPE_H )
check_include_file( mpi.h HAVE_MPI_H )
check_include_file( mysql/mysql.h HAVE_MYSQL_MYSQL_H )
check_include_file( netdb.h HAVE_NETDB_H )
check_include_file( netinet/in.h HAVE_NETINET_IN_H )
check_include_file( netinet/tcp.h HAVE_NETINET_TCP_H )
check_include_file( pthread.h HAVE_PTHREAD_H )
check_include_file( pwd.h HAVE_PWD_H )
check_include_file( regex.h HAVE_REGEX_H )
check_include_file( setjmp.h HAVE_SETJMP_H )
check_include_file( shlobj.h HAVE_SHLOBJ_H )
check_include_file( siginfo.h HAVE_SIGINFO_H )
check_include_file( signal.h HAVE_SIGNAL_H )
check_include_file( sqlite3.h HAVE_SQLITE3_H )
check_include_file( sql.h HAVE_SQL_H )
check_include_file( stdbool.h HAVE_STDBOOL_H )
check_include_file( stdint.h HAVE_STDINT_H )
check_include_file( strings.h HAVE_STRINGS_H )
check_include_file( stropts.h HAVE_STROPTS_H )
check_include_file( syslog.h HAVE_SYSLOG_H )
check_include_file( sys/conf.h HAVE_SYS_CONF_H )
check_include_file( sys/dir.h HAVE_SYS_DIR_H )
check_include_file( sys/file.h HAVE_SYS_FILE_H )
check_include_file( sys/mman.h HAVE_SYS_MMAN_H )
check_include_file( sys/ndir.h HAVE_SYS_NDIR_H )
check_include_file( sys/param.h HAVE_SYS_PARAM_H )
check_include_file( sys/resource.h HAVE_SYS_RESOURCE_H )
check_include_file( sys/select.h HAVE_SYS_SELECT_H )
check_include_file( sys/shm.h HAVE_SYS_SHM_H )
check_include_file( sys/socket.h HAVE_SYS_SOCKET_H )
check_include_file( sys/stat.h HAVE_SYS_STAT_H )
check_include_file( sys/syscall.h HAVE_SYS_SYSCALL_H)
check_include_file( sys/times.h HAVE_SYS_TIMES_H )
check_include_file( sys/time.h HAVE_SYS_TIME_H )
check_include_file( sys/types.h HAVE_SYS_TYPES_H )
check_include_file( sys/ucontext.h HAVE_SYS_UCONTEXT_H )
check_include_file( sys/un.h HAVE_SYS_UN_H )
check_include_file( sys/wait.h HAVE_SYS_WAIT_H )
check_include_file( time.h HAVE_TIME_H )
check_include_file( ucontext.h HAVE_UCONTEXT_H )
check_include_file( unistd.h HAVE_UNISTD_H )
check_include_file( util.h HAVE_UTIL_H )
check_include_file( utime.h HAVE_UTIME_H )
check_include_file( wchar.h HAVE_WCHAR_H )
check_include_file( wctype.h HAVE_WCTYPE_H )
check_include_file( windef.h HAVE_WINDEF_H )
check_include_file( windows.h HAVE_WINDOWS_H )
check_include_file( winsock2.h HAVE_WINSOCK2_H )
check_include_file( winsock.h HAVE_WINSOCK_H )
check_include_file( wordexp.h HAVE_WORDEXP_H )

check_type_size( "short int" SIZEOF_SHORT_INT )
check_type_size( "int" SIZEOF_INT )
check_type_size( "long int" SIZEOF_LONG )
check_type_size( "long int" SIZEOF_LONG_INT )
check_type_size( "long long int" SIZEOF_LONG_LONG )
check_type_size( "long long int" SIZEOF_LONG_LONG_INT )
check_type_size( "float" SIZEOF_FLOAT )
check_type_size( "double" SIZEOF_DOUBLE )
check_type_size( "void *" SIZEOF_VOID_P )
check_type_size( "void *" SIZEOF_VOIDP )
check_type_size( "int *" SIZEOF_INT_P )
check_type_size( "uintptr_t" CELLSIZE )
check_type_size( "wchar_t" SIZEOF_WCHAR_T )

check_library_exists( android main "" HAVE_LIBANDROID )
if (HAVE_LIBANDROID)
set (EXTRALIBS ${EXTRALIBS} android)
endif (HAVE_LIBANDROID)

check_library_exists( m logf "" HAVE_LIBM )
if (HAVE_LIBM)
  set(EXTRALIBS ${EXTRALIBS} m)
endif (HAVE_LIBM)

check_library_exists( dl dlopen "" HAVE_LIBDL )
if (HAVE_LIBDL)
  target_link_libraries(libYap dl)
  set( CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} dl )
  set(HAVE_DLOPEN 1)
endif (HAVE_LIBDL)

if (WIN32)
  check_library_exists( comdlg32 FindText "" HAVE_LIBCOMDLG32 )
  if (HAVE_LIBCOMDLG32)
    set(EXTRALIBS ${EXTRALIBS} comdlg32)
  endif (HAVE_LIBCOMDLG32)
  check_library_exists( msvcrt strtok "" HAVE_LIBMSCRT )

  if (HAVE_LIBMSCRT)
    set(EXTRALIBS ${EXTRALIBS} mscrt)
  endif (HAVE_LIBMSCRT)
  check_library_exists( shell32 main "" HAVE_LIBSHELL32 )

  if (HAVE_LIBSHELL32)
    set(EXTRALIBS ${EXTRALIBS} shell32)
  endif (HAVE_LIBSHELL32)

  check_library_exists( wsock32 main "" HAVE_LIBWSOCK32 )
  if (HAVE_LIBWSOCK32)
    set(EXTRALIBS ${EXTRALIBS} wsock32)
  endif (HAVE_LIBWSOCK32)

  check_library_exists( ws2_32 main "" HAVE_LIBWS2_32 )
  if (HAVE_LIBWS2_32)
    set(EXTRALIBS ${EXTRALIBS} ws2_32)
  endif (HAVE_LIBWS2_32)
endif()

check_library_exists( crypt crypt "" HAVE_LIBCRYPT )
if (HAVE_LIBCRYPT)
  target_link_libraries(libYap crypt)
endif (HAVE_LIBCRYPT)

check_library_exists( judy Judy1Set "" HAVE_LIBJUDY )
if (HAVE_LIBJUDY)
endif (HAVE_LIBJUDY)

check_library_exists( log main "" HAVE_LIBLOG )
if (HAVE_LIBLOG)
endif (HAVE_LIBLOG)

# check_library_exists( nsl nis_add "" HAVE_LIBNSL )
# if (HAVE_LIBNSL)
#   target_link_libraries(libYap nsl)
# endif (HAVE_LIBNSL)

# check_library_exists( nss_dns main "" HAVE_LIBNSS_DNS )
# if (HAVE_LIBNSS_DNS)
#   target_link_libraries(libYap nss_dns)
# endif (HAVE_LIBNSS_DNS)

# check_library_exists( nss_files main "" HAVE_LIBNSS_FILES )
# if (HAVE_LIBNSS_FILES)
#   set(EXTRALIBS ${EXTRALIBS} nss_files)
# endif (HAVE_LIBNSS_FILES)

# check_library_exists( psapi main "" HAVE_LIBPSAPI )
# if (HAVE_LIBPSAPI)
#   set(EXTRALIBS ${EXTRALIBS} psapi)
# endif (HAVE_LIBPSAPI)

# check_library_exists( resolv main "" HAVE_LIBRESOLV )
# if (HAVE_LIBRESOLV)
#   set(EXTRALIBS ${EXTRALIBS} resolv)
# endif (HAVE_LIBRESOLV)


# check_library_exists( socket socket "" HAVE_LIBSOCKET )
# if (HAVE_LIBSOCKET)
#   set(EXTRALIBS ${EXTRALIBS} socket)
# endif (HAVE_LIBSOCKET)

check_library_exists( unicode main "" HAVE_LIBUNICODE )
if (HAVE_LIBUNICODE)
  set(EXTRALIBS ${EXTRALIBS} unicode)
endif (HAVE_LIBUNICODE)

check_library_exists( xnet main "" HAVE_LIBXNET )
if (HAVE_LIBXNET)
  set(EXTRALIBS ${EXTRALIBS} xnet)
endif (HAVE_LIBXNET)


check_function_exists(_NSGetEnviron HAVE__NSGETENVIRON)
check_function_exists( access HAVE_ACCESS )
check_function_exists( acosh HAVE_ACOSH )
check_function_exists( asinh HAVE_ASINH )
check_function_exists( atanh HAVE_ATANH )
check_function_exists( basename HAVE_BASENAME )
check_function_exists( chdir HAVE_CHDIR )
check_function_exists(_chsize_s HAVE__CHSIZE_S)
check_function_exists( clock HAVE_CLOCK )
check_function_exists( clock_gettime HAVE_CLOCK_GETTIME )
check_function_exists( crypt HAVE_CRYPT )
check_function_exists( ctime HAVE_CTIME )
check_function_exists(dlopen HAVE_DLOPEN)
check_function_exists( dup2 HAVE_DUP2 )
check_function_exists( dynarray HAVE_DYNARRAY )
check_function_exists( environ HAVE_ENVIRON )
check_function_exists( erf HAVE_ERF )
check_function_exists( feclearexcept HAVE_FECLEAREXCEPT )
check_function_exists( feenableexcept HAVE_FEENABLEEXCEPT )
check_function_exists( fesetexceptflag HAVE_FESETEXCEPTFLAG )
check_function_exists( fesetround HAVE_FESETROUND )
check_function_exists( fesettrapenable HAVE_FESETTRAPENABLE )
check_function_exists( fetestexcept HAVE_FETESTEXCEPT )
check_symbol_exists( ffsl <string.h> HAVE_FFSL )
check_symbol_exists( ffsll <string.h> HAVE_FFSLL )
check_function_exists( __builtin_ffsll HAVE___BUILTIN_FFSLL )
check_function_exists( fgetpos HAVE_FGETPOS )
check_function_exists( finite HAVE_FINITE )
check_symbol_exists( flsl <string.h> HAVE_FLSL )
check_symbol_exists( flsll <string.h> HAVE_FLSLL )
check_function_exists(fmemopen HAVE_FMEMOPEN)
check_function_exists( fpclass HAVE_FPCLASS )
check_function_exists( ftime HAVE_FTIME )
check_function_exists( ftruncate HAVE_FTRUNCATE )
check_function_exists(funopen HAVE_FUNOPEN)
check_function_exists( gcc HAVE_GCC )
check_function_exists( getcwd HAVE_GETCWD )
check_function_exists( getenv HAVE_GETENV )
check_function_exists( getexecname HAVE_GETEXECNAME )
check_function_exists( gethostbyname HAVE_GETHOSTBYNAME )
check_function_exists( gethostent HAVE_GETHOSTENT )
check_function_exists( gethostid HAVE_GETHOSTID )
check_function_exists( gethostname HAVE_GETHOSTNAME )
check_function_exists( gethrtime HAVE_GETHRTIME )
check_function_exists( getpagesize HAVE_GETPAGESIZE )
check_function_exists( getpid HAVE_GETPID )
check_function_exists( getpwnam HAVE_GETPWNAM )
check_function_exists( getrlimit HAVE_GETRLIMIT )
check_function_exists( getrusage HAVE_GETRUSAGE )
check_function_exists( gettimeofday HAVE_GETTIMEOFDAY )
check_function_exists( getwd HAVE_GETWD )
check_function_exists( gmtime HAVE_GMTIME )
check_function_exists( h_errno HAVE_H_ERRNO )
check_function_exists( isatty HAVE_ISATTY )
check_function_exists( isfinite HAVE_ISFINITE )
check_function_exists( isinf HAVE_ISINF )
check_function_exists( isnan HAVE_ISNAN )
check_function_exists( kill HAVE_KILL )
check_function_exists( labs HAVE_LABS )
check_function_exists( link HAVE_LINK)
check_function_exists( localtime HAVE_LOCALTIME )
check_function_exists( lstat HAVE_LSTAT )
check_function_exists(mallinfo HAVE_MALLINFO)
check_function_exists(mbscoll HAVE_MBSCOLL)
check_function_exists(mbscasecoll HAVE_MBSCASECOLL)
check_function_exists(mbsnrtowcs HAVE_MBSNRTOWCS)
check_function_exists(memcpy HAVE_MEMCPY)
check_function_exists(memmove HAVE_MEMMOVE)
check_function_exists(mkstemp HAVE_MKSTEMP)
check_function_exists(mktemp HAVE_MKTEMP)
check_function_exists(nanosleep HAVE_NANOSLEEP)
check_function_exists(mktime HAVE_MKTIME)
check_function_exists(opendir HAVE_OPENDIR)
check_function_exists(open_memstream HAVE_OPEN_MEMSTREAM)
check_function_exists(putenv HAVE_PUTENV)
check_function_exists( rand HAVE_RAND )
check_function_exists( random HAVE_RANDOM )
check_function_exists( readlink HAVE_READLINK )
check_function_exists( realpath HAVE_REALPATH )
check_function_exists( regexec HAVE_REGEXEC )
check_function_exists( rename HAVE_RENAME )
check_function_exists( restartable_syscalls HAVE_RESTARTABLE_SYSCALLS )
check_function_exists( rint HAVE_RINT )
check_function_exists( sbrk HAVE_SBRK )
check_function_exists( select HAVE_SELECT )
check_function_exists( setbuf HAVE_SETBUF )
check_function_exists( setitimer HAVE_SETITIMER )
check_function_exists( setlinebuf HAVE_SETLINEBUF )
check_function_exists( setlocale HAVE_SETLOCALE )
check_function_exists( setsid HAVE_SETSID )
check_function_exists( shmat HAVE_SHMAT )
check_function_exists( sigaction HAVE_SIGACTION )
check_symbol_exists( SIGFPE signal.h HAVE_SIGFPE )
check_function_exists( siggetmask HAVE_SIGGETMASK )
check_symbol_exists( SIGINFO signal.h HAVE_SIGINFO )
check_function_exists( siginterrupt HAVE_SIGINTERRUPT )
check_function_exists( signal HAVE_SIGNAL )
check_function_exists( sigprocmask HAVE_SIGPROCMASK )
check_symbol_exists( SIGPROF signal.h HAVE_SIGPROF )
check_symbol_exists( SIGSEGV signal.h HAVE_SIGSEGV )
check_symbol_exists( sigsetjmp setjmp.h HAVE_SIGSETJMP )
check_function_exists( sleep HAVE_SLEEP )
check_function_exists( snprintf HAVE_SNPRINTF )
check_function_exists( socket HAVE_SOCKET )
check_function_exists( socklen_t HAVE_SOCKLEN_T )
check_function_exists( sqllen HAVE_SQLLEN )
check_function_exists( sqlulen HAVE_SQLULEN )
check_function_exists( srand HAVE_SRAND )
check_function_exists( srand HAVE_SRAND48 )
check_function_exists( srandom HAVE_SRANDOM )
check_function_exists( ssize_t HAVE_SSIZE_T )
check_function_exists( stat HAVE_STAT )
check_function_exists( strcasecmp HAVE_STRCASECMP )
check_function_exists( strcasestr HAVE_STRCASESTR )
check_function_exists( strchr HAVE_STRCHR )
check_function_exists( strerror HAVE_STRERROR )
check_function_exists( stricmp HAVE_STRICMP )
check_function_exists( strlwr HAVE_STRLWR )
check_function_exists( strncasecmp HAVE_STRNCASECMP )
check_function_exists( strncat HAVE_STRNCAT )
check_function_exists( strncpy HAVE_STRNCPY )
check_function_exists( strnlen HAVE_STRNLEN )
check_function_exists( strtod HAVE_STRTOD )
check_function_exists( struct_time_tm_gmtoff HAVE_STRUCT_TIME_TM_GMTOFF )
check_function_exists( system HAVE_SYSTEM )
check_function_exists( time HAVE_TIME )
check_function_exists( timegm HAVE_TIMEGM )
check_function_exists( times HAVE_TIMES )
check_symbol_exists( timezone time.h HAVE_VAR_TIMEZONE )
check_function_exists( tmpnam HAVE_TMPNAM )
check_function_exists( ttyname HAVE_TTYNAME )
check_function_exists( usleep HAVE_USLEEP )
check_function_exists( utime HAVE_UTIME )
check_function_exists( var_timezone HAVE_VAR_TIMEZONE )
check_function_exists( vfork HAVE_VFORK )
check_function_exists( vsnprintf HAVE_VSNPRINTF )
check_function_exists( waitpid HAVE_WAITPID )
check_function_exists( wcsdup HAVE_WCSDUP )
check_function_exists( wcsnlen HAVE_WCSNLEN )
check_function_exists( wordexp HAVE_WORDEXP )
check_function_exists( _bool HAVE__BOOL )
check_function_exists( _chsize_s HAVE__CHSIZE_S )
check_function_exists( _NSGetEnviron HAVE__NSGETENVIRON )

check_symbol_exists( __NR_gettid "sys/syscall.h;unistd.h" HAVE_GETTID_SYSCALL )
check_symbol_exists( gettid "sys/syscall.h;unistd.h" HAVE_GETTID_MACRO )