HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| e7d310aa JB |
1 | /* s/ file for System V release 4.2. */ |
| 2 | ||
| 3 | #include "usg5-4.h" | |
| 4 | ||
| 5 | /* pcg@aber.ac.uk says this is useless since fork does copy-on-write | |
| 6 | #define HAVE_VFORK */ | |
| 7 | /* fnf@cygnus.com says these exist. */ | |
| 8 | #define HAVE_TCATTR | |
| e7d310aa | 9 | #if 0 /* autoconf should take care of this. */ |
| 5b677090 | 10 | #define HAVE_GETHOSTNAME |
| e7d310aa JB |
11 | #define HAVE_RANDOM |
| 12 | #endif | |
| 13 | /* #define HAVE_GETWD (appears to be buggy on SVR4.2) */ | |
| eaac62b4 | 14 | #undef HAVE_GETWD |
| e7d310aa JB |
15 | |
| 16 | /* Info from fnf@cygnus.com suggests this is appropriate. */ | |
| 17 | #define POSIX_SIGNALS | |
| 18 | ||
| 19 | /* We don't need the definition from usg5-3.h with POSIX_SIGNALS. */ | |
| 20 | #undef sigsetmask | |
| 21 | #undef HAVE_SYSV_SIGPAUSE | |
| 22 | ||
| d08d3fb3 RS |
23 | /* Motif needs -lgen. */ |
| 24 | #undef LIBS_SYSTEM | |
| 25 | #define LIBS_SYSTEM -lsocket -lnsl -lelf -lgen | |
| 26 | ||
| e7d310aa JB |
27 | /* This is the same definition as in usg5-4.h, but with sigblock/sigunblock |
| 28 | rather than sighold/sigrelse, which appear to be BSD4.1 specific and won't | |
| 29 | work if POSIX_SIGNALS is defined. It may also be appropriate for SVR4.x | |
| 30 | (x<2) but I'm not sure. fnf@cygnus.com */ | |
| 31 | /* This sets the name of the slave side of the PTY. On SysVr4, | |
| 32 | grantpt(3) forks a subprocess, so keep sigchld_handler() from | |
| 33 | intercepting that death. If any child but grantpt's should die | |
| 34 | within, it should be caught after sigrelse(2). */ | |
| 35 | ||
| 36 | #undef PTY_TTY_NAME_SPRINTF | |
| 37 | #define PTY_TTY_NAME_SPRINTF \ | |
| 38 | { \ | |
| 39 | char *ptsname(), *ptyname; \ | |
| 40 | \ | |
| 41 | sigblock(sigmask(SIGCLD)); \ | |
| 42 | if (grantpt(fd) == -1) \ | |
| 43 | fatal("could not grant slave pty"); \ | |
| 44 | sigunblock(sigmask(SIGCLD)); \ | |
| 45 | if (unlockpt(fd) == -1) \ | |
| 46 | fatal("could not unlock slave pty"); \ | |
| 47 | if (!(ptyname = ptsname(fd))) \ | |
| 48 | fatal ("could not enable slave pty"); \ | |
| 49 | strncpy(pty_name, ptyname, sizeof(pty_name)); \ | |
| 50 | pty_name[sizeof(pty_name) - 1] = 0; \ | |
| 51 | } | |
| d848c520 RS |
52 | |
| 53 | /* Use libw.a along with X11R6 Xt. */ | |
| 54 | #define NEED_LIBW | |
| 60321802 RS |
55 | |
| 56 | /* ryanr@ellingtn.ftc.nrcs.usda.gov (Richard Anthony Ryan) says -lXimp | |
| 57 | is needed in UNIX_SV ... 4.2 1.1.2. */ | |
| 58 | #define LIB_MOTIF -lXm -lXimp |