* src/fileio.c:

* src/sysdep.c
* src/systty.h:
* src/m/ibmrs6000.h:
* src/m/iris4d.h:
* src/s/aix4-2.h:
* src/s/freebsd.h:
* src/s/gnu-linux.h:
* src/s/hpux10-20.h:
* src/s/hpux11.h:
* src/s/netbsd.h:
* src/s/sol2-3.h:
* src/s/sol2-4.h:
* src/s/sol2.h:
* src/s/usg5-4.h:
* src/s/vms.h: Remove references to unused variables.

18 files changed, 23 insertions, 116 deletions

diff --git a/admin/CPP-DEFINES b/admin/CPP-DEFINES
index a72c25320d2..0af13230d9e 100644
--- a/admin/CPP-DEFINES
+++ b/admin/CPP-DEFINES
@@ -69,9 +69,6 @@ BROKEN_SIGAIO
 BROKEN_SIGIO
 BROKEN_SIGPOLL
 BROKEN_SIGPTY
-BROKEN_TIOCGETC
-BROKEN_TIOCGWINSZ
-BROKEN_XLISTFONTSWITHINFO
 BSD4_2
 BSD4_3
 BSD_PGRPS
@@ -106,12 +103,10 @@ EMACS_CONFIG_OPTIONS
 EMACS_INT
 EMACS_UINT
 END_FILES_1
-EXEC_SUFFIXES
 EXPLICIT_SIGN_EXTEND
 FILE_SYSTEM_CASE
 FIRST_PTY_LETTER
 FLOAT_CHECK_DOMAIN
-FORCE_ALLOCA_H
 FSCALE
 Fread
 GAP_USE_BCOPY
@@ -132,7 +127,6 @@ HAVE_BCOPY
 HAVE_CBRT
 HAVE_CLOSEDIR
 HAVE_CRTIN
-HAVE_CRTN
 HAVE_DUP2
 HAVE_EUIDACCESS
 HAVE_FACES
@@ -215,8 +209,6 @@ HAVE_WINDOW_SYSTEM
 HAVE_WORKING_VFORK
 HAVE_XRMSETDATABASE
 HPUX
-HPUX11
-HPUX_NET
 IBMR2AIX
 INHIBIT_X11R6_XIM
 INTERNAL_TERMINAL
@@ -252,7 +244,6 @@ LINKER
 LINK_CRTL_SHARE
 LINUX
 LINUX_SBRK_BUG
-LINUX_SIGNALS_VIA_CHARACTERS_DOES_WORK
 LISP_FLOAT_TYPE
 LNOFLSH
 LOAD_AVE_CVT
@@ -264,7 +255,7 @@ MAIL_USE_POP
 MAIL_USE_SYSTEM_LOCK
 MAXPATHLEN
 MAX_PRINT_CHARS
-MIN_PTY_KERNEL_VERSION
+MIN_PTY_KERNEL_VERSION -- only used on Mac
 MODE_LINE_BINARY_TEXT
 MULTI_KBOARD
 MUST_UNDEF__STDC__
@@ -283,7 +274,6 @@ NOT_USING_MOTIF
 NO_ABORT
 NO_ARG_ARRAY
 NO_EDITRES
-NO_FILIO_H
 NO_HYPHENS_IN_FILENAMES
 NO_MATHERR
 NO_REMAP
@@ -297,7 +287,6 @@ NSIG_MINIMUM
 NULL
 NULL_DEVICE
 N_BADMAG
-N_BSSADDR
 N_PAGSIZ
 N_SYMOFF
 N_TRELOFF
@@ -333,7 +322,6 @@ SEPCHAR
 SETPGRP_RELEASES_CTTY
 SETUP_SLAVE_PTY
 SHARABLE_LIB_BUG
-SHMKEY
 SIGALRM
 SIGCHLD
 SIGHUP
@@ -344,9 +332,7 @@ SIGPIPE
 SIGQUIT
 SIGTRAP
 SIGTYPE
-SOCKLEN_TYPE
 SOLARIS2
-SOLARIS2_4
 SPECIAL_EMACS_INT
 START_FILES
 START_FILES_1
@@ -354,14 +340,12 @@ STDC_HEADERS
 SYMS_SYSTEM
 SYSTEM_PURESIZE_EXTRA
 SYSTEM_TYPE
-SYSV_STREAMS
 SYSV_SYSTEM_DIR
 S_IFLNK
 Srandom
 TAB3
 TABDLY
 TERM
-TERMCAP_NAME
 TERMINFO
 TEXT_END
 TEXT_START
@@ -395,7 +379,6 @@ XOS_NEEDS_TIME_H
 XPNTR
 XSET
 XUINT
-X_DEFAULT_FONT
 _AIX
 _ARCH_PPC64
 _CALLBACK_
@@ -411,7 +394,6 @@ __ELF__
 __FreeBSD__
 __FreeBSD_version
 __GNUC__
-__LITTLE_ENDIAN
 __NetBSD__
 __OpenBSD__
 __STDC__
@@ -440,7 +422,6 @@ close
 const
 creat
 ctime
-drem
 dup
 dup2
 edata
diff --git a/src/ChangeLog b/src/ChangeLog
index a7578f2fe65..c88e7884cfe 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,22 @@
+2008-07-10  Dan Nicolaescu  <dann@ics.uci.edu>
+
+	* src/fileio.c:
+	* src/sysdep.c
+	* src/systty.h:
+	* src/m/ibmrs6000.h:
+	* src/m/iris4d.h:
+	* src/s/aix4-2.h:
+	* src/s/freebsd.h:
+	* src/s/gnu-linux.h:
+	* src/s/hpux10-20.h:
+	* src/s/hpux11.h:
+	* src/s/netbsd.h:
+	* src/s/sol2-3.h:
+	* src/s/sol2-4.h:
+	* src/s/sol2.h:
+	* src/s/usg5-4.h:
+	* src/s/vms.h: Remove references to unused variables.
+
 2008-07-10  Andreas Schwab  <schwab@suse.de>
 
 	* ftfont.c (ftfont_resolve_generic_family): Remove foundry from
diff --git a/src/fileio.c b/src/fileio.c
index abe77e2e9ef..2544bd50e40 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2987,26 +2987,6 @@ If STRING is nil or a null string, the logical name NAME is deleted.  */)
 }
 #endif /* VMS */
 
-#ifdef HPUX_NET
-
-DEFUN ("sysnetunam", Fsysnetunam, Ssysnetunam, 2, 2, 0,
-       doc: /* Open a network connection to PATH using LOGIN as the login string.  */)
-     (path, login)
-     Lisp_Object path, login;
-{
-  int netresult;
-
-  CHECK_STRING (path);
-  CHECK_STRING (login);
-
-  netresult = netunam (SDATA (path), SDATA (login));
-
-  if (netresult == -1)
-    return Qnil;
-  else
-    return Qt;
-}
-#endif /* HPUX_NET */
 
 DEFUN ("file-name-absolute-p", Ffile_name_absolute_p, Sfile_name_absolute_p,
        1, 1, 0,
@@ -6398,9 +6378,6 @@ When non-nil, the function `move-file-to-trash' will be used by
 #ifdef VMS
   defsubr (&Sdefine_logical_name);
 #endif /* VMS */
-#ifdef HPUX_NET
-  defsubr (&Ssysnetunam);
-#endif /* HPUX_NET */
   defsubr (&Sfile_name_absolute_p);
   defsubr (&Sfile_exists_p);
   defsubr (&Sfile_executable_p);
diff --git a/src/m/ibmrs6000.h b/src/m/ibmrs6000.h
index db6ebee0d78..40c74688f9f 100644
--- a/src/m/ibmrs6000.h
+++ b/src/m/ibmrs6000.h
@@ -86,7 +86,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Use shared memory.  */
 /* This is turned off because it does not always work.  See etc/AIX.DUMP.  */
 /* #define HAVE_SHM */
-#define SHMKEY 5305035		/* used for shared memory code segments */
 #endif /* CANNOT_DUMP */
 
 #define N_BADMAG(x) BADMAG(x)
@@ -100,11 +99,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #undef ADDR_CORRECT
 #define ADDR_CORRECT(x) ((int)(x))
 
-/* Specify the font for X to use.
-   This used to be Rom14.500; that's nice on the X server shipped with
-   the RS/6000, but it's not available on other servers.  */
-#define X_DEFAULT_FONT "fixed"
-
 /* Here override various assumptions in ymakefile */
 
 #ifndef USG5
@@ -141,8 +135,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define BROKEN_SIGPTY
 #define BROKEN_SIGPOLL
 
-/* Don't try to include sioctl.h or ptem.h.  */
-#undef NEED_SIOCTL
+/* Don't try to include ptem.h.  */
 #undef NEED_PTEM_H
 
 #define ORDINARY_LINK
diff --git a/src/m/iris4d.h b/src/m/iris4d.h
index 89eee47d49b..f6fd3f245df 100644
--- a/src/m/iris4d.h
+++ b/src/m/iris4d.h
@@ -101,21 +101,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define LIBS_MACHINE
 #define LIBS_DEBUG
 
-/* Define this if you have a fairly recent system,
-   in which crt1.o and crt1.n should be used.  */
-#define HAVE_CRTN
-
 #ifndef USG5_4
-#ifdef HAVE_CRTN
 /* Must define START-FILES so that the linker can find /usr/lib/crt0.o.  */
 #define START_FILES pre-crt0.o /usr/lib/crt1.o
 #define LIB_STANDARD -lc /usr/lib/crtn.o
-#else
-#define START_FILES pre-crt0.o /usr/lib/crt0.o
-/* The entry-point label (start of text segment) is `start', not `__start'.  */
-#define DEFAULT_ENTRY_ADDRESS start
-#define LIB_STANDARD -lc
-#endif
 #endif
 
 /* Use terminfo instead of termcap.  */
diff --git a/src/s/aix4-2.h b/src/s/aix4-2.h
index 2b31e2c8167..9c075ead658 100644
--- a/src/s/aix4-2.h
+++ b/src/s/aix4-2.h
@@ -176,10 +176,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    It is just a guess which versions of AIX need this definition.  */
 #define HAVE_WAIT_HEADER
 
-/* Specify the type that the 3rd arg of `accept' points to.
-   It is just a guess which versions of AIX need this definition.  */
-#define SOCKLEN_TYPE int
-
 /* olson@mcs.anl.gov says -li18n is needed by -lXm.  */
 #define LIB_MOTIF -lXm -li18n
 
diff --git a/src/s/freebsd.h b/src/s/freebsd.h
index 11df2001f86..779d944b6f6 100644
--- a/src/s/freebsd.h
+++ b/src/s/freebsd.h
@@ -91,8 +91,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define LIB_GCC -lgcc
 
 #ifndef N_TRELOFF
-#define N_PAGSIZ(x) __LDPGSZ
-#define N_BSSADDR(x) (N_ALIGN(x, N_DATADDR(x)+x.a_data))
 #define N_TRELOFF(x) N_RELOFF(x)
 #endif
 #else /* NO_SHARED_LIBS */
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index 660462a679d..39b9db496fc 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -43,7 +43,8 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <linux/version.h>
 
 #if LINUX_VERSION_CODE >= 0x20400
-#define LINUX_SIGNALS_VIA_CHARACTERS_DOES_WORK
+/* 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.  */
+#define SIGNALS_VIA_CHARACTERS
 #endif /* LINUX_VERSION_CODE >= 0x20400 */
 #endif /* HAVE_LINUX_VERSION_H */
 #endif /* emacs */
@@ -223,11 +224,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define C_DEBUG_SWITCH
 #endif
 
-/* 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.  */
-#ifdef LINUX_SIGNALS_VIA_CHARACTERS_DOES_WORK
-#define SIGNALS_VIA_CHARACTERS
-#endif
-
 /* Rob Malouf <malouf@csli.stanford.edu> says:
    SYSV IPC is standard a standard part of Linux since version 0.99pl10,
    and is a very common addition to previous versions.  */
diff --git a/src/s/hpux10-20.h b/src/s/hpux10-20.h
index 8ea24fc4dc8..8411f74191b 100644
--- a/src/s/hpux10-20.h
+++ b/src/s/hpux10-20.h
@@ -227,16 +227,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #undef random
 #undef HAVE_RANDOM
 
-#define FORCE_ALLOCA_H
-
 /* AlainF 20-Jul-1996 says this is right.  */
 #define KERNEL_FILE "/stand/vmunix"
 
-#ifdef HPUX_NET
-#define LIBS_SYSTEM -ln -l:libdld.sl
-#else
 #define LIBS_SYSTEM -l:libdld.sl
-#endif
 
 /* Rainer Malzbender <rainer@displaytech.com> says definining
    HAVE_XRMSETDATABASE allows Emacs to compile on HP-UX 10.20
diff --git a/src/s/hpux11.h b/src/s/hpux11.h
index 7bd4afb116b..3382395a90f 100644
--- a/src/s/hpux11.h
+++ b/src/s/hpux11.h
@@ -1,7 +1,5 @@
 #include "hpux10-20.h"
 
-#define HPUX11
-
 #ifdef POSIX_SIGNALS
 #undef POSIX_SIGNALS
 #endif
diff --git a/src/s/netbsd.h b/src/s/netbsd.h
index 0e9b0a8443d..951e00091fc 100644
--- a/src/s/netbsd.h
+++ b/src/s/netbsd.h
@@ -72,8 +72,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Try to make this work for both 0.9 and >0.9.  */
 #ifndef N_TRELOFF
-#define N_PAGSIZ(x) __LDPGSZ
-#define N_BSSADDR(x) (N_ALIGN(x, N_DATADDR(x)+x.a_data))
 #define N_TRELOFF(x) N_RELOFF(x)
 #endif
 #endif /* not NO_SHARED_LIBS and not ELF */
diff --git a/src/s/sol2-3.h b/src/s/sol2-3.h
index 3473eec4cb3..3adad4bf11a 100644
--- a/src/s/sol2-3.h
+++ b/src/s/sol2-3.h
@@ -21,9 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "sol2.h"
 
-/* Solaris 2.3 has a bug in XListFontsWithInfo.  */
-#define BROKEN_XLISTFONTSWITHINFO
-
 /* Override LD_SWITCH_SYSTEM: add  -L /usr/ccs/lib to the sol2.h value.  */
 
 #undef LD_SWITCH_SYSTEM
diff --git a/src/s/sol2-4.h b/src/s/sol2-4.h
index 8ac97eaa6df..3cf2786c500 100644
--- a/src/s/sol2-4.h
+++ b/src/s/sol2-4.h
@@ -2,8 +2,6 @@
 
 #include "sol2-3.h"
 
-#define SOLARIS2_4
-
 /* Get rid of -traditional and let const really do its thing.  */
 
 #ifdef __GNUC__
diff --git a/src/s/sol2.h b/src/s/sol2.h
index 10733de1d0b..aa30be3675c 100644
--- a/src/s/sol2.h
+++ b/src/s/sol2.h
@@ -22,11 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define SOLARIS2
 
-/* eggert@twinsun.com said these work in Solaris.
-   Perhaps they work in all kinds of SVR4, but this is more conservative.  */
-#undef BROKEN_TIOCGETC
-#undef BROKEN_TIOCGWINSZ
-
 /* This triggers a conditional in xfaces.c.  */
 #define XOS_NEEDS_TIME_H
 
diff --git a/src/s/usg5-4.h b/src/s/usg5-4.h
index a0309d7439a..84c357c02a2 100644
--- a/src/s/usg5-4.h
+++ b/src/s/usg5-4.h
@@ -201,9 +201,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #endif
 
 #ifdef emacs
-#ifndef NO_FILIO_H
 #include <sys/filio.h>
-#endif
 #include <termio.h>
 #include <sys/ttold.h>
 #include <signal.h>
@@ -283,9 +281,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
   if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
     fatal ("ioctl I_PUSH ttcompat", errno);
 
-/* Tell x11term.c and keyboard.c we have the system V streams feature.  */
-#define SYSV_STREAMS
-
 /* This definition was suggested for next release.
    So give it a try.  */
 #define HAVE_SOCKETS
diff --git a/src/s/vms.h b/src/s/vms.h
index 78e82736a68..413c302e8c7 100644
--- a/src/s/vms.h
+++ b/src/s/vms.h
@@ -151,7 +151,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef _GNUC_
 extern double mth$dmod(double, double);
-#define drem mth$dmod
 #endif
 
 /* Some time routines are missing in the VAX C RTL, or needs some
@@ -240,10 +239,6 @@ globalref char sdata[];
 
 #define NULL_DEVICE "NLA0:"
 
-#define TERMCAP_NAME "emacs_library:[etc]termcap.dat"
-
-#define EXEC_SUFFIXES ".exe:.com"
-
 /* Case conflict with Xlib XFree () */
 #define xfree emacs_xfree
 
diff --git a/src/sysdep.c b/src/sysdep.c
index 61a91e01878..4e9631dbba1 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -135,18 +135,10 @@ extern int errno;
 #include "systty.h"
 #include "syswait.h"
 
-#ifdef BROKEN_TIOCGWINSZ
-#undef TIOCGWINSZ
-#undef TIOCSWINSZ
-#endif
-
 #if defined (USG)
 #include <sys/utsname.h>
 #include <memory.h>
 #if defined (TIOCGWINSZ)
-#ifdef NEED_SIOCTL
-#include <sys/sioctl.h>
-#endif
 #ifdef NEED_PTEM_H
 #include <sys/stream.h>
 #include <sys/ptem.h>
diff --git a/src/systty.h b/src/systty.h
index 4d9bd792a3c..799b9214e33 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -118,10 +118,6 @@ static struct sensemode {
 
 /* Special cases - inhibiting the use of certain features.  */
 
-#ifdef BROKEN_TIOCGETC
-#undef TIOCGETC  /* Avoid confusing some conditionals that test this.  */
-#endif
-
 /* Allow m- file to inhibit use of FIONREAD.  */
 #ifdef BROKEN_FIONREAD
 #undef FIONREAD