kpty/src/ConfigureChecks.cmake

0001 include(CheckIncludeFile)
0002 include(CheckIncludeFiles)
0003 include(CheckSymbolExists)
0004 include(CheckCXXSymbolExists)
0005 include(CheckFunctionExists)
0006 include(CheckLibraryExists)
0007 include(CheckStructHasMember)
0008
0009 check_include_files(sys/time.h    HAVE_SYS_TIME_H)
0010
0011 if (UNIX)
0012   check_include_files("sys/types.h;libutil.h" HAVE_LIBUTIL_H)
0013   check_include_files(util.h       HAVE_UTIL_H)
0014   check_include_files(termios.h    HAVE_TERMIOS_H)
0015   check_include_files(termio.h     HAVE_TERMIO_H)
0016   check_include_files(pty.h        HAVE_PTY_H)
0017   check_include_files(sys/stropts.h HAVE_SYS_STROPTS_H)
0018   check_include_files(sys/filio.h  HAVE_SYS_FILIO_H)
0019
0020   set(UTIL_LIBRARY)
0021
0022   if (NOT UTEMPTER_FOUND)
0023     check_function_exists(login login_in_libc)
0024     if (NOT login_in_libc)
0025       check_library_exists(util login "" login_in_libutil)
0026       if (login_in_libutil)
0027         set(UTIL_LIBRARY util)
0028       endif (login_in_libutil)
0029     endif (NOT login_in_libc)
0030     if (CMAKE_SYSTEM_NAME MATCHES Linux OR CMAKE_SYSTEM_NAME MATCHES Darwin OR CMAKE_SYSTEM_NAME MATCHES kFreeBSD OR CMAKE_SYSTEM_NAME STREQUAL GNU)
0031       set (HAVE_UTMPX)
0032     else (CMAKE_SYSTEM_NAME MATCHES Linux OR CMAKE_SYSTEM_NAME MATCHES Darwin OR CMAKE_SYSTEM_NAME MATCHES kFreeBSD OR CMAKE_SYSTEM_NAME STREQUAL GNU)
0033       check_function_exists(getutxent HAVE_UTMPX)
0034     endif (CMAKE_SYSTEM_NAME MATCHES Linux OR CMAKE_SYSTEM_NAME MATCHES Darwin OR CMAKE_SYSTEM_NAME MATCHES kFreeBSD OR CMAKE_SYSTEM_NAME STREQUAL GNU)
0035     if (HAVE_UTMPX)
0036       set(utmp utmpx)
0037       if (login_in_libutil)
0038         check_library_exists(util loginx "" HAVE_LOGINX)
0039       endif (login_in_libutil)
0040     else (HAVE_UTMPX)
0041       set(utmp utmp)
0042     endif (HAVE_UTMPX)
0043     if (login_in_libc OR login_in_libutil)
0044       set(HAVE_LOGIN 1)
0045     else (login_in_libc OR login_in_libutil)
0046       set(HAVE_LOGIN)
0047       check_struct_has_member("struct ${utmp}" "ut_type" "${utmp}.h" HAVE_STRUCT_UTMP_UT_TYPE)
0048       check_struct_has_member("struct ${utmp}" "ut_pid" "${utmp}.h" HAVE_STRUCT_UTMP_UT_PID)
0049       check_struct_has_member("struct ${utmp}" "ut_session" "${utmp}.h" HAVE_STRUCT_UTMP_UT_SESSION)
0050     endif (login_in_libc OR login_in_libutil)
0051     check_struct_has_member("struct ${utmp}" "ut_syslen" "${utmp}.h" HAVE_STRUCT_UTMP_UT_SYSLEN)
0052     check_struct_has_member("struct ${utmp}" "ut_id" "${utmp}.h" HAVE_STRUCT_UTMP_UT_ID)
0053   endif (NOT UTEMPTER_FOUND)
0054
0055   check_function_exists(openpty openpty_in_libc)
0056   if (NOT openpty_in_libc)
0057     check_library_exists(util openpty "" openpty_in_libutil)
0058     if (openpty_in_libutil)
0059       set(UTIL_LIBRARY util)
0060     endif (openpty_in_libutil)
0061   endif (NOT openpty_in_libc)
0062   if (openpty_in_libc OR openpty_in_libutil)
0063     set(HAVE_OPENPTY 1)
0064   else (openpty_in_libc OR openpty_in_libutil)
0065     set(HAVE_OPENPTY)
0066
0067     execute_process(
0068       COMMAND sh -c "
0069         for ptm in ptc ptmx ptm ptym/clone; do
0070           if test -c /dev/$ptm; then
0071             echo /dev/$ptm
0072             break
0073           fi
0074         done"
0075       OUTPUT_VARIABLE PTM_DEVICE
0076       OUTPUT_STRIP_TRAILING_WHITESPACE)
0077     message(STATUS "PTY multiplexer: ${PTM_DEVICE}")
0078
0079     check_function_exists(revoke     HAVE_REVOKE)
0080     check_function_exists(_getpty    HAVE__GETPTY)
0081     check_function_exists(getpt      HAVE_GETPT)
0082     check_function_exists(grantpt    HAVE_GRANTPT)
0083     check_function_exists(unlockpt   HAVE_UNLOCKPT)
0084     check_function_exists(posix_openpt HAVE_POSIX_OPENPT)
0085   endif (openpty_in_libc OR openpty_in_libutil)
0086
0087   check_function_exists(ptsname    HAVE_PTSNAME)
0088   check_function_exists(tcgetattr  HAVE_TCGETATTR)
0089   check_function_exists(tcsetattr  HAVE_TCSETATTR)
0090 endif (UNIX)
0091