| 1 | /* system description file for Interactive (ISC) Unix version 2.2 on |
| 2 | the 386. */ |
| 3 | |
| 4 | #include "usg5-3.h" |
| 5 | |
| 6 | /* With this defined, subprocesses made by (e.g.) M-x grep don't exit |
| 7 | cleanly, they just hang. ISC 2.2.1 does have select, in the -linet |
| 8 | library, but I guess it's not what Emacs needs. --karl@cs.umb.edu |
| 9 | #define HAVE_SELECT */ |
| 10 | |
| 11 | /* Although ISC has sockets, again in -linet, again it's not what Emacs |
| 12 | needs. With this defined, interrupt-shell-subjob and the like do |
| 13 | nothing. --karl@cs.umb.edu |
| 14 | #define HAVE_SOCKETS */ |
| 15 | |
| 16 | |
| 17 | /* This keeps the .cdbx section that gcc puts out when generating |
| 18 | stabs-in-coff output, so Emacs can be debugged. --karl@cs.umb.edu. */ |
| 19 | #define USG_SHARED_LIBRARIES |
| 20 | |
| 21 | /* We can support lock files. */ |
| 22 | #define CLASH_DETECTION |
| 23 | #define NO_FCHMOD |
| 24 | |
| 25 | #define HAVE_PTYS |
| 26 | #define MAXNAMLEN 512 |
| 27 | #define O_NDELAY O_NONBLOCK |
| 28 | #define MEMORY_IN_STRING_H |
| 29 | |
| 30 | /* Tell gmalloc.c that we don't have memmove (system include files to the |
| 31 | contrary!). */ |
| 32 | #define MEMMOVE_MISSING |
| 33 | |
| 34 | /* Send a signal to a subprocess by "typing" a signal character. */ |
| 35 | #define SIGNALS_VIA_CHARACTERS |
| 36 | |
| 37 | /* -lPW is only needed if not using Gcc. We used to include -lcposix here |
| 38 | for the rename function, but some pepople saus ISC's renames doesn't |
| 39 | work correctly with Emacs so we use Emacs' emulation instead. */ |
| 40 | #if defined (__GNUC__) |
| 41 | # define LIB_STANDARD -lcposix -lc |
| 42 | #else /* !__GNUC__ */ |
| 43 | # define LIB_STANDARD -lPW -lc |
| 44 | #endif /* !__GNUC__ */ |
| 45 | |
| 46 | /* mt00@etherm.co.uk says this is needed for process.c. */ |
| 47 | #define USE_UTIME |
| 48 | |
| 49 | #define NO_X_DESTROY_DATABASE |
| 50 | |
| 51 | /* This communicates with m-intel386.h. */ |
| 52 | #define DONT_DEFINE_SIGNAL |
| 53 | |
| 54 | /* May be needed to avoid undefined symbols such as gethostname, |
| 55 | inet_addr, gethostbyname, socket, connect, ... But if we are not |
| 56 | compiling with X support, it's not needed. */ |
| 57 | #ifdef HAVE_X_WINDOWS |
| 58 | #define LIBS_SYSTEM -linet |
| 59 | #endif |
| 60 | |
| 61 | /* This system has job control. */ |
| 62 | #undef NOMULTIPLEJOBS |
| 63 | |
| 64 | /* Inhibit asm code in netinet/in.h. Strictly speaking, only necessary |
| 65 | when -traditional is being used, but it doesn't hurt to |
| 66 | unconditionally define this. */ |
| 67 | #define NO_ASM |
| 68 | |
| 69 | /* -traditional is not necessary if the system header files are fixed to |
| 70 | define getc and putc in the absence of _POSIX_SOURCE. GCC's from 2.4.4 |
| 71 | on do this. */ |
| 72 | #if !defined (__GNUC__) || __GNUC__ < 2 |
| 73 | # define C_SWITCH_SYSTEM -traditional |
| 74 | #endif |
| 75 | |
| 76 | /* Some versions of ISC are said to define S_IFLNK even tho |
| 77 | they don't really support symlinks. */ |
| 78 | #undef S_IFLNK |