Commit 7a05f3c7 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(DATA_START, TEXT_START, TEXT_END, _NAIVE_DOS_REGS)

(POSIX_SIGNALS): Define if DJGPP v2.
(LIBS_SYSTEM, chdir, NO_MODE_T, TEXT_START, NO_MATHERR)
(LOCALTIME_CACHE, tzset): Don't define if DJGPP v2.
parent 57ceaa8a
......@@ -44,8 +44,6 @@ Boston, MA 02111-1307, USA. */
#ifdef __GO32__
#ifndef __DJGPP__
#define __DJGPP__ 1 /* V2 defines __DJGPP__ == 2 */
#else
You lose; /* Emacs for DOS must be compiled with DJGPP V1 */
#endif
#else
You lose; /* Emacs for DOS must be compiled with DJGPP */
......@@ -157,19 +155,37 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
#define _setjmp setjmp
#define _longjmp longjmp
#if __DJGPP__ < 2
#define NO_MODE_T
/* New chdir () routine. */
/* New chdir () routine.
DJGPP v2.0 and later doesn't need it because its chdir() does
set the drive itself. */
#ifdef chdir
#undef chdir
#endif
#define chdir sys_chdir
#define LIBS_SYSTEM -lpc
#define LIBS_SYSTEM -lpc /* isn't required in DJGPP v2.0, either */
#endif /* __DJGPP__ < 2 */
#if __DJGPP__ > 1
#define DATA_START (&etext + 1)
#define TEXT_START &start
#define TEXT_END &etext
#define _NAIVE_DOS_REGS
#else /* not __DJGPP__ > 1 */
/* This somehow needs to be defined even though we use COFF. */
#define TEXT_START -1
#endif /* not __DJGPP__ > 1 */
#define ORDINARY_LINK
/* command.com does not understand `...` so we define this. */
......@@ -180,6 +196,7 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
#define NULL_DEVICE "nul"
#define EXEC_SUFFIXES ".exe:.com:.bat:"
#if __DJGPP__ < 2
#define O_RDONLY 0x0001
#define O_WRONLY 0x0002
#define O_RDWR 0x0004
......@@ -189,10 +206,11 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
#define O_APPEND 0x0800
#define O_TEXT 0x4000
#define O_BINARY 0x8000
#define NO_MATHERR
#endif
#define HAVE_INVERSE_HYPERBOLIC
#define FLOAT_CHECK_DOMAIN
#define NO_MATHERR
/* When $TERM is "internal" then this is substituted: */
#define INTERNAL_TERMINAL "pc|bios|IBM PC with colour display:\
......@@ -210,8 +228,10 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
#define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
/* Call init_gettimeofday when TZ changes. */
#if __DJGPP__ < 2
#define LOCALTIME_CACHE
#define tzset init_gettimeofday
#endif
/* bcopy under djgpp is quite safe */
#define GAP_USE_BCOPY
......@@ -221,6 +241,11 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
/* Mode line description of a buffer's type. */
#define MODE_LINE_BINARY_TEXT(buf) (NILP(buf->buffer_file_type) ? "T" : "B")
/* Do we have POSIX signals? */
#if __DJGPP__ > 1
#define POSIX_SIGNALS
#endif
/* We have (the code to control) a mouse. */
#define HAVE_MOUSE
......
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