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https://sourceware.org/git/binutils-gdb.git
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5cabc8098e
Implement extension_language_ops::find_objfile_from_buildid within
GDB's Python API. Doing this allows users to write Python extensions
that can help locate missing objfiles when GDB opens a core file. A
handler might perform some project- or site-specific actions to find a
missing objfile. Or might provide some project- or site-specific
advice to the user on how they can obtain the missing objfile.
The implementation is very similar to the approach taken in:
commit 8f6c452b5a
Date: Sun Oct 15 22:48:42 2023 +0100
gdb: implement missing debug handler hook for Python
The following new commands are added as commands implemented in
Python, this is similar to how the Python missing debug and unwinder
commands are implemented:
info missing-objfile-handlers
enable missing-objfile-handler LOCUS HANDLER
disable missing-objfile-handler LOCUS HANDLER
To make use of this extension hook a user will create missing objfile
handler objects, and registers these handlers with GDB. When GDB
opens a core file and encounters a missing objfile 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_objfile
class MyFirstHandler(gdb.missing_objfile.MissingObjfileHandler):
def __init__(self):
super().__init__("my_first_handler")
def __call__(self, pspace, build_id, filename):
# This handler does nothing useful.
return None
gdb.missing_objfile.register_handler(None, MyFirstHandler())
Returning None from the __call__ method tells GDB that this handler
was unable to find the missing objfile, and GDB should ask any other
registered handlers.
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 objfile couldn't
be found. GDB will not call any other handlers, and will
continue without the objfile.
- True: The handler has installed the objfile into a location where
GDB would normally expect to find it. GDB should repeat its
normal lookup process and the objfile should now be found.
- A string: The handler can return a filename, which is the missing
objfile. GDB will load this file.
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 missing objfile, at which point GDB continues.
The implementation of this feature is mostly straight forward. I have
reworked some of the missing debug file related code so that it can be
shared with this feature. E.g. gdb/python/lib/gdb/missing_files.py is
mostly content moved from gdb/python/lib/gdb/missing_debug.py, but
updated to be more generic. Now gdb/python/lib/gdb/missing_debug.py
and the new file gdb/python/lib/gdb/missing_objfile.py both call into
the missing_files.py file.
For gdb/python/lib/gdb/command/missing_files.py this is even more
extreme, gdb/python/lib/gdb/command/missing_debug.py is completely
gone now and gdb/python/lib/gdb/command/missing_files.py provides all
of the new commands in a generic way.
I have made one change to the existing Python API, I renamed the
attribute Progspace.missing_debug_handlers to
Progspace.missing_file_handlers. I don't see this as too
problematic. This attribute was only used to implement the missing
debug feature and was never documented beyond the fact that it
existed. There was no reason for users to be touching this attribute.
Reviewed-By: Eli Zaretskii <eliz@gnu.org>
454 lines
13 KiB
Makefile
454 lines
13 KiB
Makefile
# Copyright (C) 2010-2024 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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include $(srcdir)/../silent-rules.mk
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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)/../../install-sh -d
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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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loongarch-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/missing_objfile.py \
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gdb/missing_files.py \
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gdb/printing.py \
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gdb/prompt.py \
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gdb/ptwrite.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_files.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/globalvars.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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@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=$(RUNTESTFLAGS)"
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.PHONY: all
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all: stamp-syscalls stamp-python stamp-guile stamp-system-gdbinit
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%.xml: @MAINTAINER_MODE_TRUE@ %.xml.in apply-defaults.xsl linux-defaults.xml.in
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$(ECHO_GEN) $(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 $(SYSCALLS_FILES)
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$(ECHO_GEN)
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$(SILENCE) rm -rf ./$(SYSCALLS_DIR)
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$(SILENCE) mkdir ./$(SYSCALLS_DIR)
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$(SILENCE) files='$(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 ./$(SYSCALLS_DIR) ; \
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fi ; \
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done
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$(SILENCE) 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 $(PYTHON_FILES)
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$(ECHO_GEN)
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$(SILENCE) rm -rf ./$(PYTHON_DIR)
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$(SILENCE) files='$(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)/$$dir ; \
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done ; \
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fi
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$(SILENCE) touch $@
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.PHONY: clean-python
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clean-python:
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rm -rf $(PYTHON_DIR)
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rm -f stamp-python
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.PHONY: install-python
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install-python:
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files='$(PYTHON_FILES)' ; \
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if test "x$$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,/[^/]*$$,,'` ; \
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done \
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done ; \
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fi
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stamp-guile: Makefile $(GUILE_SOURCE_FILES)
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$(ECHO_GEN)
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$(SILENCE) rm -rf ./$(GUILE_DIR)
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$(SILENCE) if test "x$(GUILE_FILES)" != x ; then \
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files='$(GUILE_SOURCE_FILES)' ; \
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for file in $$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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$(SILENT_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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$(SILENCE) 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 $(SYSTEM_GDBINIT_FILES)
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$(ECHO_GEN)
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$(SILENCE) rm -rf ./$(SYSTEM_GDBINIT_DIR)
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$(SILENCE) mkdir ./$(SYSTEM_GDBINIT_DIR)
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$(SILENCE) files='$(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 ./$(SYSTEM_GDBINIT_DIR) ; \
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fi ; \
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done
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$(SILENCE) 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 ; \
|
|
while test "x$$file" != "x$$slashdir" ; do \
|
|
rmdir 2>/dev/null "$(SYSTEM_GDBINIT_INSTALL_DIR)$$slashdir" ; \
|
|
file="$$slashdir" ; \
|
|
slashdir=`echo "$$file" | sed 's,/[^/]*$$,,'` ; \
|
|
done \
|
|
done
|
|
|
|
# Traditionally "install" depends on "all". But it may be useful
|
|
# not to; for example, if the user has made some trivial change to a
|
|
# source file and doesn't care about rebuilding or just wants to save the
|
|
# time it takes for make to check that all is up to date.
|
|
# install-only is intended to address that need.
|
|
.PHONY: install
|
|
install: all
|
|
@$(MAKE) $(FLAGS_TO_PASS) install-only
|
|
|
|
.PHONY: install-only
|
|
install-only: install-syscalls install-python install-guile \
|
|
install-system-gdbinit
|
|
|
|
.PHONY: uninstall
|
|
uninstall: uninstall-syscalls uninstall-python uninstall-guile \
|
|
uninstall-system-gdbinit
|
|
|
|
.PHONY: clean
|
|
clean: clean-syscalls clean-python clean-guile clean-system-gdbinit
|
|
|
|
.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-dvi 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
|
|
$(ECHO_GEN) cd .. && $(SHELL) ./config.status $(SILENT_FLAG) data-directory/Makefile
|
|
|
|
# Disable implicit make rules.
|
|
include $(srcdir)/../disable-implicit-rules.mk
|