diff options
| author | Karl Heuer <kwzh@gnu.org> | 1995-01-23 22:20:24 +0000 |
|---|---|---|
| committer | Karl Heuer <kwzh@gnu.org> | 1995-01-23 22:20:24 +0000 |
| commit | a7cde15c6437583166ae15f5696ed816f71e4ea3 (patch) | |
| tree | ead2da084102eec2bc726750061ed336519f1f18 /src | |
| parent | 66a11df92592fa1380ed957ba2296c308c7dc452 (diff) | |
| download | emacs-a7cde15c6437583166ae15f5696ed816f71e4ea3.tar.gz | |
[__GNUC__] (POSIX_SIGNALS): #define this.
[__GNUC__] (sigsetmask, HAVE_SYSV_SIGPAUSE): #undef these.
(LIBX11_SYSTEM): Don't use -lc; loading this before -lcposix gives us the
wrong signal functions.
(C_SWITCH_SYSTEM): Add _XOPEN_SOURCE.
(EXTRA_INITIALIZE): Make conditional on __GNUC__.
Diffstat (limited to 'src')
| -rw-r--r-- | src/s/isc3-0.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/s/isc3-0.h b/src/s/isc3-0.h index 43d4f92a08b..737ce3c3297 100644 --- a/src/s/isc3-0.h +++ b/src/s/isc3-0.h @@ -8,6 +8,14 @@ /* This appears on 3.0, presumably as part of what SunSoft call X2. */ #undef NO_X_DESTROY_DATABASE +#ifdef __GNUC__ /* Currently we use -lcposix only with gcc */ +#define POSIX_SIGNALS + +/* We don't need the definition from usg5-3.h with POSIX_SIGNALS. */ +#undef sigsetmask +#undef HAVE_SYSV_SIGPAUSE +#endif + /* People say that using -traditional causes lossage with `const', so we might as well try getting rid of -traditional. */ #undef C_SWITCH_SYSTEM @@ -17,20 +25,21 @@ has no libX11_s, and that linking with libc_s causes sbrk not to work. */ #undef LIB_X11_LIB #undef LIBX11_SYSTEM -#define LIBX11_SYSTEM -lpt -lnls -lnsl_s -lc +#define LIBX11_SYSTEM -lpt -lnls -lnsl_s /* TIOCGWINSZ isn't broken; you just have to know where to find it. */ #undef BROKEN_TIOCGWINSZ #define NEED_SIOCTL -/* This does no harm, and is necessary for some ANSI compilers. */ -#define C_SWITCH_SYSTEM -D_SYSV3 +/* We need either _XOPEN_SOURCE or _POSIX_SOURCE to import the posix + signal symbols; might as well use _XOPEN_SOURCE. Defining _SYSV3 + ensures that we don't lose the traditional symbols as a side effect + from this or __STDC__ being defined. */ +#define C_SWITCH_SYSTEM -D_XOPEN_SOURCE -D_SYSV3 +#ifdef __GNUC__ /* Currently we use -lcposix only with gcc */ /* This works around a bug in ISC 4.0 and 3.0; it fails to clear the "POSIX process" flag on an exec. It won't be needed for 4.1. */ -/* neg@brooktrout.com reported that he did not have this function - on ISC 3.0.1. I don't know who to believe or what to do, - so I am leaving it alone until someone tells me - precisely when this function is needed -- rms. */ #define EXTRA_INITIALIZE __setostype (0) +#endif |