X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/0235128c15aabd21b37e7a359b4932709471f156..9e69cb054d5c124bdf913c82453518ac4d9d6d53:/src/s/gnu-linux.h
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index d010fc7261..cf3b307972 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -3,6 +3,8 @@
Copyright (C) 1985, 1986, 1992, 1994, 1996, 1999, 2001, 2002, 2003, 2004,
2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+This file was put together by Michael K. Johnson and Rik Faith.
+
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
@@ -18,23 +20,15 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see . */
-/* This file was put together by Michael K. Johnson and Rik Faith. */
-
-
-/*
- * Define symbols to identify the version of Unix this is.
- * Define all the symbols that apply correctly.
- */
-
+/* Define symbols to identify the version of Unix this is.
+ Define all the symbols that apply correctly. */
#define USG
#define GNU_LINUX
/* SYSTEM_TYPE should indicate the kind of system you are using.
- It sets the Lisp variable system-type. */
-
+ It sets the Lisp variable system-type. */
#define SYSTEM_TYPE "gnu/linux" /* All the best software is free. */
-#ifndef NOT_C_CODE
#ifdef emacs
#ifdef HAVE_LINUX_VERSION_H
#include
@@ -45,14 +39,11 @@ along with GNU Emacs. If not, see . */
#endif /* LINUX_VERSION_CODE >= 0x20400 */
#endif /* HAVE_LINUX_VERSION_H */
#endif /* emacs */
-#endif /* NOT_C_CODE */
#if defined HAVE_GRANTPT
#define UNIX98_PTYS
-/* Run only once. We need a `for'-loop because the code uses
- `continue'. */
-
+/* Run only once. We need a `for'-loop because the code uses `continue'. */
#define PTY_ITERATION for (i = 0; i < 1; i++)
#ifdef HAVE_GETPT
@@ -64,7 +55,6 @@ along with GNU Emacs. If not, see . */
/* Note that grantpt and unlockpt may fork. We must block SIGCHLD to
prevent sigchld_handler from intercepting the child's death. */
-
#define PTY_TTY_NAME_SPRINTF \
{ \
char *ptyname; \
@@ -86,58 +76,25 @@ along with GNU Emacs. If not, see . */
/* Letter to use in finding device name of first pty,
if system supports pty's. 'p' means it is /dev/ptyp0 */
-
#define FIRST_PTY_LETTER 'p'
#endif /* not HAVE_GRANTPT */
/* Define HAVE_TERMIOS if the system provides POSIX-style
functions and macros for terminal control. */
-
#define HAVE_TERMIOS
-/* Define HAVE_PTYS if the system supports pty devices. */
-
+/* Define HAVE_PTYS if the system supports pty devices. */
#define HAVE_PTYS
#define HAVE_SOCKETS
-/* Define this symbol if your system has the functions bcopy, etc. */
-
-#define BSTRING
-
/* This is used in list_system_processes. */
#define HAVE_PROCFS 1
-/* define MAIL_USE_FLOCK if the mailer uses flock
- to interlock access to /usr/spool/mail/$USER.
- The alternative is that a lock file named
- /usr/spool/mail/$USER.lock. */
-
-/* On GNU/Linux systems, both methods are used by various mail
- programs. I assume that most people are using newer mailers that
- have heard of flock. Change this if you need to. */
-/* Debian contains a patch which says: ``On Debian/GNU/Linux systems,
- configure gets the right answers, and that means *NOT* using flock.
- Using flock is guaranteed to be the wrong thing. See Debian Policy
- for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
- Debian maintainer hasn't provided a clean fix for Emacs.
- movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
- HAVE_MAILLOCK_H are defined, so the following appears to be the
- correct logic. -- fx */
-/* We must check for HAVE_LIBLOCKFILE too, as movemail does.
- liblockfile is a Free Software replacement for libmail, used on
- Debian systems and elsewhere. -rfr */
-
-#if !((defined (HAVE_LIBMAIL) || defined (HAVE_LIBLOCKFILE)) && \
- defined (HAVE_MAILLOCK_H))
-#define MAIL_USE_FLOCK
-#endif
-
/* Define CLASH_DETECTION if you want lock files to be written
so that Emacs can tell instantly when you try to modify
a file that someone else has modified in his Emacs. */
-
#define CLASH_DETECTION
/* Here, on a separate page, add any special hacks needed
@@ -147,41 +104,28 @@ along with GNU Emacs. If not, see . */
your system and must be used only through an encapsulation
(Which you should place, by convention, in sysdep.c). */
-/* This is needed for dispnew.c:update_frame */
-
+/* This is needed for dispnew.c:update_frame. */
#ifdef emacs
#include /* Get the definition of _IO_STDIO_H. */
#if defined(_IO_STDIO_H) || defined(_STDIO_USES_IOSTREAM)
-/* new C libio names */
+/* New C libio names. */
#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)
#elif defined (__UCLIBC__)
-/* using the uClibc library */
+/* Using the uClibc library. */
#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
((FILE)->__bufpos - (FILE)->__bufstart)
#else /* !_IO_STDIO_H && ! __UCLIBC__ */
-/* old C++ iostream names */
+/* Old C++ iostream names. */
#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
((FILE)->_pptr - (FILE)->_pbase)
#endif /* !_IO_STDIO_H && ! __UCLIBC__ */
-#endif /* emacs */
-
-/* Ask GCC where to find libgcc.a. */
-#define LIB_GCC `$(CC) $(C_SWITCH_X_SITE) -print-libgcc-file-name`
-#ifdef emacs
#define INTERRUPT_INPUT
-#endif
-
-#define SYSV_SYSTEM_DIR /* use dirent.h */
+#endif /* emacs */
#define POSIX /* affects getpagesize.h and systty.h */
-#undef LIB_GCC
-#define LIB_GCC
-
-#define UNEXEC unexelf.o
-
/* This is to work around mysterious gcc failures in some system versions.
It is unlikely that Emacs changes will work around this problem;
therefore, this should remain permanently. */
@@ -191,14 +135,8 @@ along with GNU Emacs. If not, see . */
#define NARROWPROTO 1
-/* Use mmap directly for allocating larger buffers. */
-#ifdef DOUG_LEA_MALLOC
-#undef REL_ALLOC
-#endif
-
/* Tell that garbage collector that setjmp is known to save all
- registers relevant for conservative garbage collection in the
- jmp_buf. */
+ registers relevant for conservative garbage collection in the jmp_buf. */
/* Not all the architectures are tested, but there are Debian packages
for SCM and/or Guile on them, so the technique must work. See also
comments in alloc.c concerning setjmp and gcc. Fixme: it's
@@ -206,7 +144,6 @@ along with GNU Emacs. If not, see . */
register window-flushing. */
/* Don't use #cpu here since in newest development versions of GCC,
we must call cpp with -traditional, and that disables #cpu. */
-
#if defined __i386__ || defined __sparc__ || defined __mc68000__ \
|| defined __alpha__ || defined __mips__ || defined __s390__ \
|| defined __arm__ || defined __powerpc__ || defined __amd64__ \