* Makefile.in (REGEXP_IN_LIBC): Remove reference to obsolete

variable.

* s/gnu-linux.h: Remove commented out code.

* unexec.c: Remove references to obsolete variable
COFF_ENCAPSULATE.

* Makefile.in: Update what RMS says about using autoconf.
(C_COMPILER):
(COFF_ENCAPSULATE):
(MAKE_PARALLEL): Remove obsolete variable.
(C_SWITCH_MACHINE_1, C_SWITCH_SYSTEM_1, C_SWITCH_SITE_1):
(C_SWITCH_X_SITE_1, C_SWITCH_X_MACHINE_1)
(C_SWITCH_X_SYSTEM_1): Move invariant code outside conditional.

4 files changed, 29 insertions, 100 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index ae92bc3589d..52ed2dbe02c 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,18 @@
+2008-02-09  Dan Nicolaescu  <dann@ics.uci.edu>
+
+        * s/gnu-linux.h: Remove commented out code.
+
+        * unexec.c: Remove references to obsolete variable
+        COFF_ENCAPSULATE.
+
+        * Makefile.in: Update what RMS says about using autoconf.
+        (C_COMPILER):
+        (COFF_ENCAPSULATE):
+        (MAKE_PARALLEL): Remove obsolete variable.
+        (C_SWITCH_MACHINE_1, C_SWITCH_SYSTEM_1, C_SWITCH_SITE_1):
+        (C_SWITCH_X_SITE_1, C_SWITCH_X_MACHINE_1)
+        (C_SWITCH_X_SYSTEM_1): Move invariant code outside conditional.
+
 2008-02-08  Stefan Monnier  <monnier@iro.umontreal.ca>
 
         * keymap.c (Fkey_description): Move side effect outside of macro call.
diff --git a/src/Makefile.in b/src/Makefile.in
index 1b0e0504f89..e6c36e5c7ec 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -27,6 +27,11 @@
 
 # Don't try to replace the cpp processing using autoconf facilities,
 # says rms.
+# Replacing a particular part of the conditionals to work via autoconf
+# is OK.
+# Some of the conditionals might be dead now.  Finding them and
+# deleting them would be fine.
+
 
 # Here are the things that we expect ../configure to edit.
 # We use $(srcdir) explicitly in dependencies so as not to depend on VPATH.
@@ -100,10 +105,6 @@ SHELL=/bin/sh
 MAKE = MAKE_COMMAND
 #endif
 
-#ifdef C_COMPILER
-CC = C_COMPILER
-#endif
-
 /* GNU libc requires ORDINARY_LINK so that its own crt0 is used.
    GNU/Linux is an exception because it uses a funny variant of GNU libc.  */
 #ifdef __GNU_LIBRARY__
@@ -144,11 +145,11 @@ CC = C_COMPILER
 
 /* Some s/SYSTEM.h files define this to request special switches in ld.  */
 #ifndef LD_SWITCH_SYSTEM
-#if !defined (__GNUC__) && (defined(COFF_ENCAPSULATE) || (defined (BSD_SYSTEM) && !defined (COFF)))
+#if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
 #define LD_SWITCH_SYSTEM -X
-#else /* ! defined(COFF_ENCAPSULATE) || (defined (BSD_SYSTEM) && !defined (COFF)) */
+#else /* (defined (BSD_SYSTEM) && !defined (COFF)) */
 #define LD_SWITCH_SYSTEM
-#endif /* ! defined(COFF_ENCAPSULATE) || (defined (BSD_SYSTEM) && !defined (COFF)) */
+#endif /* (defined (BSD_SYSTEM) && !defined (COFF)) */
 #endif /* LD_SWITCH_SYSTEM */
 
 /* This holds special options for linking temacs
@@ -223,11 +224,7 @@ CC = C_COMPILER
 
 #ifndef START_FILES
 #ifdef NO_REMAP
-#ifdef COFF_ENCAPSULATE
-#define START_FILES pre-crt0.o /usr/local/lib/gcc-crt0.o
-#else /* ! defined (COFF_ENCAPSULATE) */
 #define START_FILES pre-crt0.o /lib/crt0.o
-#endif /* ! defined (COFF_ENCAPSULATE) */
 #else /* ! defined (NO_REMAP) */
 #define START_FILES ecrt0.o
 #endif /* ! defined (NO_REMAP) */
@@ -536,15 +533,11 @@ STARTFLAGS = -T LD_TEXT_START_ADDR -e __start
 #ifdef ORDINARY_LINK
 LD = $(CC)
 #else
-#ifdef COFF_ENCAPSULATE
-LD=$(CC) -nostdlib
-#else /* not ORDINARY_LINK */
 #ifdef LINKER
 LD=LINKER
 #else /* not LINKER */
 LD=ld
 #endif /* not LINKER */
-#endif /* not COFF_ENCAPSULATE */
 #endif /* not ORDINARY_LINK */
 
 /* Flags to pass to LD only for temacs.  */
@@ -1015,12 +1008,7 @@ ${lispsource}international/charprop.el: temacs${EXEEXT} ${UNIDATA}
           RUNEMACS="$${RUNEMACS}" DSTDIR=${lispsource}international
 #endif
 
-/* Some systems define this to cause parallel Make-ing.  */
-#ifndef MAKE_PARALLEL
-#define MAKE_PARALLEL
-#endif
-
-temacs${EXEEXT}: MAKE_PARALLEL $(LOCALCPP) $(STARTFILES) stamp-oldxmenu ${obj} ${otherobj} OBJECTS_MACHINE prefix-args${EXEEXT}
+temacs${EXEEXT}: $(LOCALCPP) $(STARTFILES) stamp-oldxmenu ${obj} ${otherobj} OBJECTS_MACHINE prefix-args${EXEEXT}
         echo "${obj} ${otherobj} " OBJECTS_MACHINE > buildobj.lst
         $(LD) YMF_PASS_LDFLAGS (${STARTFLAGS} ${TEMACS_LDFLAGS}) $(LDFLAGS) \
     -o temacs ${STARTFILES} ${obj} ${otherobj}  \
@@ -1043,9 +1031,6 @@ stamp-oldxmenu: ${OLDXMENU} ../src/$(OLDXMENU)
 /* Supply an ordering for parallel make.  */
 ../src/$(OLDXMENU): ${OLDXMENU}
 
-#ifdef USE_X_TOOLKIT
-$(OLDXMENU): really-lwlib
-
 /* Encode the values of these two macros in Make variables,
    so we can use $(...) to substitute their values within "...".  */
 C_SWITCH_MACHINE_1 = C_SWITCH_MACHINE
@@ -1054,6 +1039,10 @@ C_SWITCH_SITE_1 = C_SWITCH_SITE
 C_SWITCH_X_SITE_1 = C_SWITCH_X_SITE
 C_SWITCH_X_MACHINE_1 = C_SWITCH_X_MACHINE
 C_SWITCH_X_SYSTEM_1 = C_SWITCH_X_SYSTEM
+
+#ifdef USE_X_TOOLKIT
+$(OLDXMENU): really-lwlib
+
 really-lwlib:
         cd ${lwlibdir}; ${MAKE} ${MFLAGS} \
     CC='${CC}' CFLAGS='${CFLAGS}' MAKE='${MAKE}' \
@@ -1068,14 +1057,6 @@ really-lwlib:
 #else /* not USE_X_TOOLKIT */
 $(OLDXMENU): really-oldXMenu
 
-/* Encode the values of these two macros in Make variables,
-   so we can use $(...) to substitute their values within "...".  */
-C_SWITCH_MACHINE_1 = C_SWITCH_MACHINE
-C_SWITCH_SYSTEM_1 = C_SWITCH_SYSTEM
-C_SWITCH_SITE_1 = C_SWITCH_SITE
-C_SWITCH_X_SITE_1 = C_SWITCH_X_SITE
-C_SWITCH_X_MACHINE_1 = C_SWITCH_X_MACHINE
-C_SWITCH_X_SYSTEM_1 = C_SWITCH_X_SYSTEM
 really-oldXMenu:
         cd ${oldXMenudir}; ${MAKE} ${MFLAGS} \
     CC='${CC}' CFLAGS='${CFLAGS}' MAKE='${MAKE}' \
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index cedd75d7210..69ac9fc4c4f 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -333,12 +333,6 @@ Boston, MA 02110-1301, USA.  */
 #define HAVE_XRMSETDATABASE
 #endif
 
-/* The regex.o routines are a part of the GNU C-library used with Linux.  */
-/* However, sometimes they disagree with the src/regex.h that comes with Emacs,
-   and that can make trouble in etags.c because it gets the regex.h from Emacs
-   and the function definitions in libc.  So turn this off.  */
-/* #define REGEXP_IN_LIBC */
-
 /* Use BSD process groups, but use setpgid() instead of setpgrp() to
    actually set a process group. */
 
diff --git a/src/unexec.c b/src/unexec.c
index b0ef8fc4d51..4ecb239c137 100644
--- a/src/unexec.c
+++ b/src/unexec.c
@@ -77,14 +77,6 @@ Boston, MA 02110-1301, USA.  */
 
 Define this if your system uses COFF for executables.
 
-* COFF_ENCAPSULATE
-
-Define this if you are using the GNU coff encapsulated a.out format.
-This is closer to a.out than COFF. You should *not* define COFF if
-you define COFF_ENCAPSULATE
-
-Otherwise we assume you use Berkeley format.
-
 * NO_REMAP
 
 Define this if you do not want to try to save Emacs's pure data areas
@@ -199,12 +191,7 @@ struct aouthdr
 };
 #endif /* not MSDOS */
 #else  /* not COFF */
-#ifdef COFF_ENCAPSULATE
-int need_coff_header = 1;
-#include <coff-encap/a.out.encap.h> /* The location might be a poor assumption */
-#else  /* not COFF_ENCAPSULATE */
 #include <a.out.h>
-#endif /* not COFF_ENCAPSULATE */
 #endif /* not COFF */
 
 /* Define getpagesize if the system does not.
@@ -289,7 +276,7 @@ static EXEC_HDR_TYPE hdr, ohdr;
 
 #else /* not HPUX */
 
-#if defined (USG) && !defined (IBMAIX) && !defined (IRIS) && !defined (COFF_ENCAPSULATE) && !defined (GNU_LINUX)
+#if defined (USG) && !defined (IBMAIX) && !defined (IRIS) && !defined (GNU_LINUX)
 static struct bhdr hdr, ohdr;
 #define a_magic fmagic
 #define a_text tsize
@@ -312,11 +299,6 @@ static EXEC_HDR_TYPE hdr, ohdr;
 static int unexec_text_start;
 static int unexec_data_start;
 
-#ifdef COFF_ENCAPSULATE
-/* coffheader is defined in the GNU a.out.encap.h file.  */
-struct coffheader coffheader;
-#endif
-
 #endif /* not COFF */
 
 static int pagemask;
@@ -686,16 +668,6 @@ make_hdr (new, a_out, data_start, bss_start, entry_address, a_name, new_name)
   /* Get symbol table info from header of a.out file if given one. */
   if (a_out >= 0)
     {
-#ifdef COFF_ENCAPSULATE
-      if (read (a_out, &coffheader, sizeof coffheader) != sizeof coffheader)
-        {
-          PERROR(a_name);
-        }
-      if (coffheader.f_magic != COFF_MAGIC)
-        {
-          ERROR1("%s doesn't have legal coff magic number\n", a_name);
-        }
-#endif
       if (read (a_out, &ohdr, sizeof hdr) != sizeof hdr)
         {
           PERROR (a_name);
@@ -709,18 +681,11 @@ make_hdr (new, a_out, data_start, bss_start, entry_address, a_name, new_name)
     }
   else
     {
-#ifdef COFF_ENCAPSULATE
-      /* We probably could without too much trouble. The code is in gld
-       * but I don't have that much time or incentive.
-       */
-      ERROR0 ("can't build a COFF file from scratch yet");
-#else
 #ifdef MSDOS    /* Demacs 1.1.1 91/10/16 HIRANO Satoshi */
       bzero ((void *)&hdr, sizeof hdr);
 #else
       bzero (&hdr, sizeof hdr);
 #endif
-#endif
     }
 
   unexec_text_start = (long) start_of_text ();
@@ -749,32 +714,6 @@ make_hdr (new, a_out, data_start, bss_start, entry_address, a_name, new_name)
 
 #endif /* not NO_REMAP */
 
-#ifdef COFF_ENCAPSULATE
-  /* We are encapsulating BSD format within COFF format.  */
-  {
-    struct coffscn *tp, *dp, *bp;
-    tp = &coffheader.scns[0];
-    dp = &coffheader.scns[1];
-    bp = &coffheader.scns[2];
-    tp->s_size = hdr.a_text + sizeof(struct exec);
-    dp->s_paddr = data_start;
-    dp->s_vaddr = data_start;
-    dp->s_size = hdr.a_data;
-    bp->s_paddr = dp->s_vaddr + dp->s_size;
-    bp->s_vaddr = bp->s_paddr;
-    bp->s_size = hdr.a_bss;
-    coffheader.tsize = tp->s_size;
-    coffheader.dsize = dp->s_size;
-    coffheader.bsize = bp->s_size;
-    coffheader.text_start = tp->s_vaddr;
-    coffheader.data_start = dp->s_vaddr;
-  }
-  if (write (new, &coffheader, sizeof coffheader) != sizeof coffheader)
-    {
-      PERROR(new_name);
-    }
-#endif /* COFF_ENCAPSULATE */
-
   if (write (new, &hdr, sizeof hdr) != sizeof hdr)
     {
       PERROR (new_name);