8f6c452b5a
This commit builds on the previous commit, and implements the
extension_language_ops::handle_missing_debuginfo function for Python.
This hook will give user supplied Python code a chance to help find
missing debug information.
The implementation of the new hook is pretty minimal within GDB's C++
code; most of the work is out-sourced to a Python implementation which
is modelled heavily on how GDB's Python frame unwinders are
implemented.
The following new commands are added as commands implemented in
Python, this is similar to how the Python unwinder commands are
implemented:
info missing-debug-handlers
enable missing-debug-handler LOCUS HANDLER
disable missing-debug-handler LOCUS HANDLER
To make use of this extension hook a user will create missing debug
information handler objects, and registers these handlers with GDB.
When GDB encounters an objfile that is missing debug information, each
handler is called in turn until one is able to help. Here is a
minimal handler that does nothing useful:
import gdb
import gdb.missing_debug
class MyFirstHandler(gdb.missing_debug.MissingDebugHandler):
def __init__(self):
super().__init__("my_first_handler")
def __call__(self, objfile):
# This handler does nothing useful.
return None
gdb.missing_debug.register_handler(None, MyFirstHandler())
Returning None from the __call__ method tells GDB that this handler
was unable to find the missing debug information, and GDB should ask
any other registered handlers.
By extending the __call__ method it is possible for the Python
extension to locate the debug information for objfile and return a
value that tells GDB how to use the information that has been located.
Possible return values from a handler:
- None: This means the handler couldn't help. GDB will call other
registered handlers to see if they can help instead.
- False: The handler has done all it can, but the debug information
for the objfile still couldn't be found. GDB will not call
any other handlers, and will continue without the debug
information for objfile.
- True: The handler has installed the debug information into a
location where GDB would normally expect to find it. GDB
should look again for the debug information.
- A string: The handler can return a filename, which is the file
containing the missing debug information. GDB will load
this file.
When a handler returns True, GDB will look again for the debug
information, but only using the standard built-in build-id and
.gnu_debuglink based lookup strategies. It is not possible for an
extension to trigger another debuginfod lookup; the assumption is that
the debuginfod server is remote, and out of the control of extensions
running within GDB.
Handlers can be registered globally, or per program space. GDB checks
the handlers for the current program space first, and then all of the
global handles. The first handler that returns a value that is not
None, has "handled" the objfile, at which point GDB continues.
Reviewed-By: Eli Zaretskii <eliz@gnu.org>
Approved-By: Tom Tromey <tom@tromey.com>
444 lines
12 KiB
Makefile
444 lines
12 KiB
Makefile
# Copyright (C) 2010-2023 Free Software Foundation, Inc.
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# Makefile for building a staged copy of the data-directory.
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# This file is part of GDB.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Please keep lists in this file sorted alphabetically, with one item per line.
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# See gdb/Makefile.in for guidelines on ordering files and directories.
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srcdir = @srcdir@
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SYSCALLS_SRCDIR = $(srcdir)/../syscalls
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PYTHON_SRCDIR = $(srcdir)/../python/lib
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GUILE_SRCDIR = $(srcdir)/../guile/lib
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SYSTEM_GDBINIT_SRCDIR = $(srcdir)/../system-gdbinit
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VPATH = $(srcdir):$(SYSCALLS_SRCDIR):$(PYTHON_SRCDIR):$(GUILE_SRCDIR):$(SYSTEM_GDBINIT_SRCDIR)
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XSLTPROC = @XSLTPROC@
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top_srcdir = @top_srcdir@
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top_builddir = @top_builddir@
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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datarootdir = @datarootdir@
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datadir = @datadir@
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SHELL = @SHELL@
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LN_S = @LN_S@
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INSTALL = @INSTALL@
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INSTALL_DATA = @INSTALL_DATA@
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INSTALL_DIR = $(SHELL) $(srcdir)/../../mkinstalldirs
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GDB_DATADIR = @GDB_DATADIR@
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SYSCALLS_DIR = syscalls
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SYSCALLS_INSTALL_DIR = $(DESTDIR)$(GDB_DATADIR)/$(SYSCALLS_DIR)
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GEN_SYSCALLS_FILES = \
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aarch64-linux.xml \
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amd64-linux.xml \
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arm-linux.xml \
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i386-linux.xml \
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mips-n32-linux.xml \
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mips-n64-linux.xml \
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mips-o32-linux.xml \
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ppc-linux.xml \
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ppc64-linux.xml \
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s390-linux.xml \
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s390x-linux.xml \
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sparc-linux.xml \
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sparc64-linux.xml
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SYSCALLS_FILES = gdb-syscalls.dtd freebsd.xml netbsd.xml $(GEN_SYSCALLS_FILES)
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PYTHON_DIR = python
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PYTHON_INSTALL_DIR = $(DESTDIR)$(GDB_DATADIR)/$(PYTHON_DIR)
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PYTHON_FILE_LIST = \
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gdb/__init__.py \
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gdb/disassembler.py \
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gdb/FrameDecorator.py \
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gdb/FrameIterator.py \
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gdb/frames.py \
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gdb/missing_debug.py \
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gdb/printing.py \
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gdb/prompt.py \
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gdb/styling.py \
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gdb/types.py \
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gdb/unwinder.py \
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gdb/xmethod.py \
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gdb/command/__init__.py \
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gdb/command/explore.py \
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gdb/command/frame_filters.py \
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gdb/command/missing_debug.py \
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gdb/command/pretty_printers.py \
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gdb/command/prompt.py \
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gdb/command/type_printers.py \
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gdb/command/unwinders.py \
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gdb/command/xmethods.py \
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gdb/dap/breakpoint.py \
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gdb/dap/bt.py \
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gdb/dap/disassemble.py \
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gdb/dap/evaluate.py \
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gdb/dap/events.py \
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gdb/dap/frames.py \
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gdb/dap/__init__.py \
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gdb/dap/io.py \
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gdb/dap/launch.py \
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gdb/dap/locations.py \
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gdb/dap/memory.py \
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gdb/dap/modules.py \
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gdb/dap/next.py \
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gdb/dap/pause.py \
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gdb/dap/scopes.py \
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gdb/dap/server.py \
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gdb/dap/sources.py \
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gdb/dap/startup.py \
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gdb/dap/state.py \
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gdb/dap/threads.py \
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gdb/dap/typecheck.py \
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gdb/dap/varref.py \
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gdb/function/__init__.py \
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gdb/function/as_string.py \
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gdb/function/caller_is.py \
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gdb/function/strfns.py \
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gdb/printer/__init__.py \
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gdb/printer/bound_registers.py
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@HAVE_PYTHON_TRUE@PYTHON_FILES = $(PYTHON_FILE_LIST)
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@HAVE_PYTHON_FALSE@PYTHON_FILES =
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GUILE_DIR = guile
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GUILE_INSTALL_DIR = $(DESTDIR)$(GDB_DATADIR)/$(GUILE_DIR)
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GUILE_SOURCE_FILES = \
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./gdb.scm \
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gdb/boot.scm \
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gdb/experimental.scm \
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gdb/init.scm \
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gdb/iterator.scm \
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gdb/printing.scm \
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gdb/support.scm \
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gdb/types.scm
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GUILE_COMPILED_FILES = \
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./gdb.go \
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gdb/experimental.go \
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gdb/iterator.go \
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gdb/printing.go \
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gdb/support.go \
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gdb/types.go
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@HAVE_GUILE_TRUE@GUILE_FILES = $(GUILE_SOURCE_FILES) $(GUILE_COMPILED_FILES)
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@HAVE_GUILE_FALSE@GUILE_FILES =
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GUILD = @GUILD@
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GUILD_TARGET_FLAG = @GUILD_TARGET_FLAG@
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# Flags passed to 'guild compile'.
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# Note: We can't use -Wunbound-variable because all the variables
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# defined in C aren't visible when we compile.
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# Note: To work around a guile 2.0.5 issue (it can't find gdb/init.scm even if
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# we pass -L <dir>) we have to compile in the directory containing gdb.scm.
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# We still need to pass "-L ." so that other modules are found.
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GUILD_COMPILE_FLAGS = \
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$(GUILD_TARGET_FLAG) \
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-Warity-mismatch -Wformat -Wunused-toplevel \
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-L .
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SYSTEM_GDBINIT_DIR = system-gdbinit
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SYSTEM_GDBINIT_INSTALL_DIR = $(DESTDIR)$(GDB_DATADIR)/$(SYSTEM_GDBINIT_DIR)
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SYSTEM_GDBINIT_FILES = \
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elinos.py \
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wrs-linux.py
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FLAGS_TO_PASS = \
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"prefix=$(prefix)" \
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"exec_prefix=$(exec_prefix)" \
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"infodir=$(infodir)" \
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"datarootdir=$(datarootdir)" \
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"docdir=$(docdir)" \
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"htmldir=$(htmldir)" \
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"pdfdir=$(pdfdir)" \
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"libdir=$(libdir)" \
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"mandir=$(mandir)" \
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"datadir=$(datadir)" \
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"includedir=$(includedir)" \
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"against=$(against)" \
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"DESTDIR=$(DESTDIR)" \
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"AR=$(AR)" \
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"AR_FLAGS=$(AR_FLAGS)" \
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"CC=$(CC)" \
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"CFLAGS=$(CFLAGS)" \
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"CXX=$(CXX)" \
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"CXXFLAGS=$(CXXFLAGS)" \
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"DLLTOOL=$(DLLTOOL)" \
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"LDFLAGS=$(LDFLAGS)" \
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"RANLIB=$(RANLIB)" \
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"MAKEINFO=$(MAKEINFO)" \
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"MAKEHTML=$(MAKEHTML)" \
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"MAKEHTMLFLAGS=$(MAKEHTMLFLAGS)" \
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"INSTALL=$(INSTALL)" \
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"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
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"INSTALL_DATA=$(INSTALL_DATA)" \
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"RUNTEST=$(RUNTEST)" \
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"RUNTESTFLAGS=$(RUNTESTFLAGS)"
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.PHONY: all
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all: stamp-syscalls stamp-python stamp-guile stamp-system-gdbinit
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%.xml: @MAINTAINER_MODE_TRUE@ %.xml.in apply-defaults.xsl linux-defaults.xml.in
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$(XSLTPROC) -o $(SYSCALLS_SRCDIR)/$@ $(SYSCALLS_SRCDIR)/apply-defaults.xsl\
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$(SYSCALLS_SRCDIR)/$@.in
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.PHONY: syscall-xml
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syscall-xml: $(GEN_SYSCALLS_FILES)
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.PHONY: clean-syscall-xml
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# Only clean files generated XML files.
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clean-syscall-xml:
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files='$(GEN_SYSCALLS_FILES)' ; \
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for file in $$files; do \
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rm -f "$(SYSCALLS_SRCDIR)/$$file"; \
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done
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# For portability's sake, we need to handle systems that don't have
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# symbolic links.
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stamp-syscalls: Makefile $(SYSCALLS_FILES)
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rm -rf ./$(SYSCALLS_DIR)
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mkdir ./$(SYSCALLS_DIR)
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files='$(SYSCALLS_FILES)' ; \
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for file in $$files ; do \
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f=$(SYSCALLS_SRCDIR)/$$file ; \
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if test -f $$f ; then \
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$(INSTALL_DATA) $$f ./$(SYSCALLS_DIR) ; \
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fi ; \
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done
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touch $@
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.PHONY: clean-syscalls
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clean-syscalls:
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rm -rf $(SYSCALLS_DIR)
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rm -f stamp-syscalls
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# This target is responsible for properly installing the syscalls'
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# XML files in the system.
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.PHONY: install-syscalls
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install-syscalls:
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$(INSTALL_DIR) $(SYSCALLS_INSTALL_DIR)
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files='$(SYSCALLS_FILES)' ; \
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for file in $$files; do \
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f=$(SYSCALLS_SRCDIR)/$$file ; \
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if test -f $$f ; then \
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$(INSTALL_DATA) $$f $(SYSCALLS_INSTALL_DIR) ; \
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fi ; \
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done
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.PHONY: uninstall-syscalls
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uninstall-syscalls:
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files='$(SYSCALLS_FILES)' ; \
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for file in $$files ; do \
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slashdir=`echo "/$$file" | sed 's,/[^/]*$$,,'` ; \
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rm -f $(SYSCALLS_INSTALL_DIR)/$$file ; \
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while test "x$$file" != "x$$slashdir" ; do \
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rmdir 2>/dev/null "$(SYSCALLS_INSTALL_DIR)$$slashdir" ; \
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file="$$slashdir" ; \
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slashdir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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done \
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done
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stamp-python: Makefile $(PYTHON_FILES)
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rm -rf ./$(PYTHON_DIR)
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files='$(PYTHON_FILES)' ; \
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if test "x$$files" != x ; then \
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for file in $$files ; do \
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dir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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$(INSTALL_DIR) ./$(PYTHON_DIR)/$$dir ; \
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$(INSTALL_DATA) $(PYTHON_SRCDIR)/$$file ./$(PYTHON_DIR)/$$dir ; \
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done ; \
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fi
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touch $@
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.PHONY: clean-python
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clean-python:
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rm -rf $(PYTHON_DIR)
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rm -f stamp-python
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.PHONY: install-python
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install-python:
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files='$(PYTHON_FILES)' ; \
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if test "x$$files" != x ; then \
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for file in $$files ; do \
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dir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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$(INSTALL_DIR) $(PYTHON_INSTALL_DIR)/$$dir ; \
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$(INSTALL_DATA) ./$(PYTHON_DIR)/$$file $(PYTHON_INSTALL_DIR)/$$dir ; \
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done ; \
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fi
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.PHONY: uninstall-python
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uninstall-python:
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files='$(PYTHON_FILES)' ; \
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if test "x$$files" != x ; then \
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for file in $$files ; do \
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slashdir=`echo "/$$file" | sed 's,/[^/]*$$,,'` ; \
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rm -f $(PYTHON_INSTALL_DIR)/$$file ; \
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while test "x$$file" != "x$$slashdir" ; do \
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rmdir 2>/dev/null "$(PYTHON_INSTALL_DIR)$$slashdir" ; \
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file="$$slashdir" ; \
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slashdir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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done \
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done ; \
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fi
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stamp-guile: Makefile $(GUILE_SOURCE_FILES)
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rm -rf ./$(GUILE_DIR)
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if test "x$(GUILE_FILES)" != x ; then \
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files='$(GUILE_SOURCE_FILES)' ; \
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for file in $$files ; do \
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dir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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$(INSTALL_DIR) ./$(GUILE_DIR)/$$dir ; \
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$(INSTALL_DATA) $(GUILE_SRCDIR)/$$file ./$(GUILE_DIR)/$$dir ; \
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done ; \
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files='$(GUILE_COMPILED_FILES)' ; \
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cd ./$(GUILE_DIR) ; \
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for go in $$files ; do \
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source="`echo $$go | sed 's/\.go$$/.scm/'`" ; \
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echo $(GUILD) compile $(GUILD_COMPILE_FLAGS) -o "$$go" "$$source" ; \
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$(GUILD) compile $(GUILD_COMPILE_FLAGS) -o "$$go" "$$source" || exit 1 ; \
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done ; \
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fi
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touch $@
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.PHONY: clean-guile
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clean-guile:
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rm -rf $(GUILE_DIR)
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rm -f stamp-guile
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.PHONY: install-guile
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install-guile:
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files='$(GUILE_FILES)' ; \
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if test "x$$files" != x ; then \
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for file in $$files ; do \
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dir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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$(INSTALL_DIR) $(GUILE_INSTALL_DIR)/$$dir ; \
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$(INSTALL_DATA) ./$(GUILE_DIR)/$$file $(GUILE_INSTALL_DIR)/$$dir ; \
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done ; \
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fi
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.PHONY: uninstall-guile
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uninstall-guile:
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files='$(GUILE_FILES)' ; \
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if test "x$$files" != x ; then \
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for file in $$files ; do \
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slashdir=`echo "/$$file" | sed 's,/[^/]*$$,,'` ; \
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rm -f $(GUILE_INSTALL_DIR)/$$file ; \
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while test "x$$file" != "x$$slashdir" ; do \
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rmdir 2>/dev/null "$(GUILE_INSTALL_DIR)$$slashdir" ; \
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file="$$slashdir" ; \
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slashdir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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done \
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done ; \
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fi
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stamp-system-gdbinit: Makefile $(SYSTEM_GDBINIT_FILES)
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rm -rf ./$(SYSTEM_GDBINIT_DIR)
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mkdir ./$(SYSTEM_GDBINIT_DIR)
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files='$(SYSTEM_GDBINIT_FILES)' ; \
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for file in $$files ; do \
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f=$(SYSTEM_GDBINIT_SRCDIR)/$$file ; \
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if test -f $$f ; then \
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$(INSTALL_DATA) $$f ./$(SYSTEM_GDBINIT_DIR) ; \
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fi ; \
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done
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touch $@
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.PHONY: clean-system-gdbinit
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clean-system-gdbinit:
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rm -rf $(SYSTEM_GDBINIT_DIR)
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rm -f stamp-system-gdbinit
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.PHONY: install-system-gdbinit
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install-system-gdbinit:
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$(INSTALL_DIR) $(SYSTEM_GDBINIT_INSTALL_DIR)
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files='$(SYSTEM_GDBINIT_FILES)' ; \
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for file in $$files; do \
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f=$(SYSTEM_GDBINIT_SRCDIR)/$$file ; \
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if test -f $$f ; then \
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$(INSTALL_DATA) $$f $(SYSTEM_GDBINIT_INSTALL_DIR) ; \
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fi ; \
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done
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.PHONY: uninstall-system-gdbinit
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uninstall-system-gdbinit:
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files='$(SYSTEM_GDBINIT_FILES)' ; \
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for file in $$files ; do \
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slashdir=`echo "/$$file" | sed 's,/[^/]*$$,,'` ; \
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rm -f $(SYSTEM_GDBINIT_INSTALL_DIR)/$$file ; \
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while test "x$$file" != "x$$slashdir" ; do \
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rmdir 2>/dev/null "$(SYSTEM_GDBINIT_INSTALL_DIR)$$slashdir" ; \
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file="$$slashdir" ; \
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slashdir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
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done \
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done
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# Traditionally "install" depends on "all". But it may be useful
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# not to; for example, if the user has made some trivial change to a
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# source file and doesn't care about rebuilding or just wants to save the
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# time it takes for make to check that all is up to date.
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# install-only is intended to address that need.
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.PHONY: install
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install: all
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@$(MAKE) $(FLAGS_TO_PASS) install-only
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.PHONY: install-only
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install-only: install-syscalls install-python install-guile \
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install-system-gdbinit
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.PHONY: uninstall
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uninstall: uninstall-syscalls uninstall-python uninstall-guile \
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uninstall-system-gdbinit
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.PHONY: clean
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clean: clean-syscalls clean-python clean-guile clean-system-gdbinit
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.PHONY: maintainer-clean realclean distclean
|
|
maintainer-clean realclean distclean: clean
|
|
rm -f Makefile
|
|
|
|
.PHONY: check installcheck info dvi pdf html
|
|
.PHONY: install-info install-pdf install-html clean-info
|
|
check installcheck:
|
|
info dvi pdf html:
|
|
install-info install-pdf install-html:
|
|
clean-info:
|
|
|
|
# GNU Make has an annoying habit of putting *all* the Makefile variables
|
|
# into the environment, unless you include this target as a circumvention.
|
|
# Rumor is that this will be fixed (and this target can be removed)
|
|
# in GNU Make 4.0.
|
|
.NOEXPORT:
|
|
|
|
# GNU Make 3.63 has a different problem: it keeps tacking command line
|
|
# overrides onto the definition of $(MAKE). This variable setting
|
|
# will remove them.
|
|
MAKEOVERRIDES=
|
|
|
|
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
|
|
cd .. && $(SHELL) ./config.status data-directory/Makefile
|
|
|
|
# Disable implicit make rules.
|
|
include $(srcdir)/../disable-implicit-rules.mk
|