gdb

	* configure: Rebuild.
	* configure.ac (READLINE_TEXI_INCFLAG): New subst.
gdb/doc
	* gdb.texinfo (Top): Check SYSTEM_READLINE.
	(Editing): Likewise.
	(Command History): Likewise.
	(TUI Keys): Likewise.
	(Bug Reporting): Conditionally include rluser.texi and
	inc-history.texinfo.
	* Makefile.in (READLINE_TEXI_INCFLAG): New variable.
	(GDB_DOC_SOURCE_INCLUDES): Add comment.
	(GDBvn.texi): Set SYSTEM_READLINE when appropriate.
	(gdb.dvi): Use READLINE_TEXI_INCFLAG.
	(gdb.pdf): Likewise.
	(gdb.info): Likewise.
	(gdb/index.html): Likewise.

3 files changed, 65 insertions, 10 deletions

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 9b19a52..dd00d1a 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,5 +1,21 @@
 2010-11-23  Tom Tromey  <tromey@redhat.com>
 
+	* gdb.texinfo (Top): Check SYSTEM_READLINE.
+	(Editing): Likewise.
+	(Command History): Likewise.
+	(TUI Keys): Likewise.
+	(Bug Reporting): Conditionally include rluser.texi and
+	inc-history.texinfo.
+	* Makefile.in (READLINE_TEXI_INCFLAG): New variable.
+	(GDB_DOC_SOURCE_INCLUDES): Add comment.
+	(GDBvn.texi): Set SYSTEM_READLINE when appropriate.
+	(gdb.dvi): Use READLINE_TEXI_INCFLAG.
+	(gdb.pdf): Likewise.
+	(gdb.info): Likewise.
+	(gdb/index.html): Likewise.
+
+2010-11-23  Tom Tromey  <tromey@redhat.com>
+
 	* Makefile.in (Makefile): Run ../config.status.
 	(distclean): Update.
 	* configure: Remove.
diff --git a/gdb/doc/Makefile.in b/gdb/doc/Makefile.in
index a572f90..615af63 100644
--- a/gdb/doc/Makefile.in
+++ b/gdb/doc/Makefile.in
@@ -63,6 +63,7 @@ BUGURL_TEXI = @REPORT_BUGS_TEXI@
 # Where is the source dir for the READLINE library doc?  
 # Traditionally readline is in .. or .
 READLINE_DIR = ${gdbdir}/../readline/doc
+READLINE_TEXI_INCFLAG = @READLINE_TEXI_INCFLAG@
 
 # The GDB/MI docs come from a sibling directory ../mi
 GDBMI_DIR = ${gdbdir}/mi
@@ -108,6 +109,9 @@ PDFTEX = pdftex
 DVIPS = dvips
 
 # Main GDB manual
+# Note that this unconditionally includes the readline texi files,
+# even when --with-system-readline is used.  This is harmless because
+# these are only used as dependencies.
 GDB_DOC_SOURCE_INCLUDES = \
 	$(srcdir)/fdl.texi \
 	$(srcdir)/gpl.texi \
@@ -303,6 +307,9 @@ GDBvn.texi : ${gdbdir}/version.in
 	if [ "$(BUGURL_TEXI)" = "@uref{http://www.gnu.org/software/gdb/bugs/}" ]; then \
 	  echo "@set BUGURL_DEFAULT" >> ./GDBvn.new; \
 	fi
+	if test -z "$(READLINE_TEXI_INCFLAG)"; then \
+	  echo "@set SYSTEM_READLINE" >> ./GDBvn.new; \
+	fi
 	mv GDBvn.new GDBvn.texi
 
 # Updated atomically
@@ -340,7 +347,7 @@ gdb.dvi: ${GDB_DOC_FILES}
 		ln $(srcdir)/GDBvn.texi . || \
 		cp $(srcdir)/GDBvn.texi . ; else true; fi
 	rm -f $(GDB_TEX_TMPS)
-	$(TEXI2DVI) -I ${READLINE_DIR} -I ${GDBMI_DIR} -I $(srcdir) \
+	$(TEXI2DVI) $(READLINE_TEXI_INCFLAG) -I ${GDBMI_DIR} -I $(srcdir) \
 		$(srcdir)/gdb.texinfo
 
 gdb.ps: gdb.dvi
@@ -352,12 +359,12 @@ gdb.pdf: ${GDB_DOC_FILES}
 		ln $(srcdir)/GDBvn.texi . || \
 		cp $(srcdir)/GDBvn.texi . ; else true; fi
 	rm -f $(GDB_TEX_TMPS)
-	$(TEXI2DVI) --pdf -I ${READLINE_DIR} -I ${GDBMI_DIR} -I $(srcdir) \
+	$(TEXI2DVI) --pdf $(READLINE_TEXI_INCFLAG) -I ${GDBMI_DIR} -I $(srcdir) \
 		$(srcdir)/gdb.texinfo
 
 # GDB MANUAL: info file
 gdb.info: ${GDB_DOC_FILES}
-	$(MAKEINFO) -I ${READLINE_DIR} -I ${GDBMI_DIR} -I $(srcdir) \
+	$(MAKEINFO) $(READLINE_TEXI_INCFLAG) -I ${GDBMI_DIR} -I $(srcdir) \
 		-o gdb.info $(srcdir)/gdb.texinfo
 
 # GDB MANUAL: roff translations
@@ -433,7 +440,7 @@ gdb.mm: $(GDB_DOC_FILES) links2roff
 # GDB MANUAL: HTML file
 
 gdb/index.html: ${GDB_DOC_FILES}
-	$(MAKEHTML) $(MAKEHTMLFLAGS) -I ${READLINE_DIR} -I ${GDBMI_DIR} -I $(srcdir) $(srcdir)/gdb.texinfo
+	$(MAKEHTML) $(MAKEHTMLFLAGS) $(READLINE_TEXI_INCFLAG) -I ${GDBMI_DIR} -I $(srcdir) $(srcdir)/gdb.texinfo
 
 # Clean these up before each run.  Avoids a catch 22 with not being
 # able to re-generate these files (to fix a corruption) because these
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index ddc711b..5550f51 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -163,8 +163,14 @@ software in general.  We will miss him.
 
 * GDB Bugs::                    Reporting bugs in @value{GDBN}
 
+@ifset SYSTEM_READLINE
+* Command Line Editing: (rluserman).         Command Line Editing
+* Using History Interactively: (history).    Using History Interactively
+@end ifset
+@ifclear SYSTEM_READLINE
 * Command Line Editing::        Command Line Editing
 * Using History Interactively:: Using History Interactively
+@end ifclear
 * Formatting Documentation::    How to format and print @value{GDBN} documentation
 * Installing GDB::              Installing GDB
 * Maintenance Commands::        Maintenance Commands
@@ -19414,7 +19420,13 @@ Disable command line editing.
 Show whether command line editing is enabled.
 @end table
 
-@xref{Command Line Editing}, for more details about the Readline
+@ifset SYSTEM_READLINE
+@xref{Command Line Editing, , , rluserman, GNU Readline Library},
+@end ifset
+@ifclear SYSTEM_READLINE
+@xref{Command Line Editing},
+@end ifclear
+for more details about the Readline
 interface.  Users unfamiliar with @sc{gnu} Emacs or @code{vi} are
 encouraged to read that chapter.
 
@@ -19428,8 +19440,14 @@ happened.  Use these commands to manage the @value{GDBN} command
 history facility.
 
 @value{GDBN} uses the @sc{gnu} History library, a part of the Readline
-package, to provide the history facility.  @xref{Using History
-Interactively}, for the detailed description of the History library.
+package, to provide the history facility.
+@ifset SYSTEM_READLINE
+@xref{Using History Interactively, , , history, GNU History Library},
+@end ifset
+@ifclear SYSTEM_READLINE
+@xref{Using History Interactively},
+@end ifclear
+for the detailed description of the History library.
 
 To issue a command to @value{GDBN} without affecting certain aspects of
 the state which is seen by users, prefix it with @samp{server }
@@ -19481,7 +19499,13 @@ This defaults to the value of the environment variable
 @end table
 
 History expansion assigns special meaning to the character @kbd{!}.
-@xref{Event Designators}, for more details.
+@ifset SYSTEM_READLINE
+@xref{Event Designators, , , history, GNU History Library},
+@end ifset
+@ifclear SYSTEM_READLINE
+@xref{Event Designators},
+@end ifclear
+for more details.
 
 @cindex history expansion, turn on/off
 Since @kbd{!} is also the logical not operator in C, history expansion
@@ -23482,8 +23506,14 @@ Indicates the current program counter address.
 @cindex TUI key bindings
 
 The TUI installs several key bindings in the readline keymaps
-(@pxref{Command Line Editing}).  The following key bindings
-are installed for both TUI mode and the @value{GDBN} standard mode.
+@ifset SYSTEM_READLINE
+(@pxref{Command Line Editing, , , rluserman, GNU Readline Library}).
+@end ifset
+@ifclear SYSTEM_READLINE
+(@pxref{Command Line Editing}).
+@end ifclear
+The following key bindings are installed for both TUI mode and the
+@value{GDBN} standard mode.
 
 @table @kbd
 @kindex C-x C-a
@@ -30459,8 +30489,10 @@ things without first using the debugger to find the facts.
 @c     inc-hist.texinfo
 @c Use -I with makeinfo to point to the appropriate directory,
 @c environment var TEXINPUTS with TeX.
+@ifclear SYSTEM_READLINE
 @include rluser.texi
 @include inc-hist.texinfo
+@end ifclear
 
 
 @node Formatting Documentation