From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 68128 invoked by alias); 23 Oct 2019 21:39:25 -0000 Mailing-List: contact gdb-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: , Sender: gdb-cvs-owner@sourceware.org List-Subscribe: Sender: gdb-cvs-owner@sourceware.org Received: (qmail 67956 invoked by uid 306); 23 Oct 2019 21:39:25 -0000 Date: Wed, 23 Oct 2019 21:39:00 -0000 Message-ID: <20191023213925.67948.qmail@sourceware.org> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Tom Tromey To: gdb-cvs@sourceware.org Subject: [binutils-gdb] Move readline to the readline/readline subdirectory X-Act-Checkin: binutils-gdb X-Git-Author: Tom Tromey X-Git-Refname: refs/heads/master X-Git-Oldrev: 12e7c35ec3c09793ed9613cdf696b9f0f4dd86ec X-Git-Newrev: 6999161a2a3b3cbd918570e094199184331d4f81 X-SW-Source: 2019-10/txt/msg00169.txt.bz2 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6999161a2a3b3cbd918570e094199184331d4f81 commit 6999161a2a3b3cbd918570e094199184331d4f81 Author: Tom Tromey Date: Sat Oct 5 16:39:44 2019 -0600 Move readline to the readline/readline subdirectory readline turns out to be a bit of a stumbling block for the project to move gdbsupport (and then gdbserver) to the top-level. The issue is that readline headers are intended to be included with names like "readline/readline.h". To support this, gdb effectively adds a -I option pointing to the top-level source directory -- but, importantly, this option is not used when the system readline is used. For gdbsupport, a -I option like this would always be needed, but that in turn would break the system readline case. This was PR build/17077, fixed in commit a8a5dbcab8df0b3a9e04745d4fe8d64740acb323. Previously, we had discussed this on the gdb-patches list in terms of removing readline from the tree https://sourceware.org/ml/gdb-patches/2019-09/msg00317.html However, Eli expressed some concerns, and Joel did as well (off-list). Given those concerns, and the fact that a patch-free local readline is relatively new in gdb (it was locally patched for years), I changed my mind and decided to handle this situation by moving the readline sources down a level. That is, upstream readline is now in readline/readline, and the top-level readline directory just contains the minimal configury needed to build that. This fixes the problem because, when gdb unconditionally adds a -I$(top_srcdir), this will not find readline headers. A separate -I will be needed instead, which is exactly what's needed for --with-system-readline. gdb/ChangeLog 2019-10-23 Tom Tromey * Makefile.in (READLINE_DIR): Update. gdb/doc/ChangeLog 2019-10-23 Tom Tromey * Makefile.in (READLINE_DIR): Update. readline/ChangeLog 2019-10-23 Tom Tromey Move old contents to readline/ subdirectory. * aclocal.m4, configure, configure.ac, .gitignore, Makefile.am, Makefile.in, README: New files. Change-Id: Ice156a2ee09ea68722b48f64d97146d7428ea9e4 Diff: --- gdb/ChangeLog | 4 + gdb/Makefile.in | 4 +- gdb/doc/ChangeLog | 4 + gdb/doc/Makefile.in | 2 +- readline/.gitignore | 35 +- readline/ChangeLog | 6 + readline/Makefile.am | 20 + readline/Makefile.in | 1073 ++- readline/README | 202 +- readline/aclocal.m4 | 5004 ++---------- readline/configure | 5931 ++------------ readline/configure.ac | 337 +- readline/readline/.gitignore | 37 + readline/{ => readline}/CHANGELOG | 0 readline/{ => readline}/CHANGES | 0 readline/{ => readline}/COPYING | 0 readline/{ => readline}/ChangeLog.gdb | 2 +- readline/{ => readline}/INSTALL | 0 readline/{ => readline}/MANIFEST | 0 readline/readline/Makefile.in | 616 ++ readline/{ => readline}/NEWS | 0 readline/readline/README | 196 + readline/{ => readline}/USAGE | 0 readline/readline/aclocal.m4 | 4262 ++++++++++ readline/{ => readline}/ansi_stdlib.h | 0 readline/{ => readline}/bind.c | 0 readline/{ => readline}/callback.c | 0 readline/{ => readline}/chardefs.h | 0 readline/{ => readline}/colors.c | 0 readline/{ => readline}/colors.h | 0 readline/{ => readline}/compat.c | 0 readline/{ => readline}/complete.c | 0 readline/{ => readline}/config.h.in | 0 readline/readline/configure | 8203 ++++++++++++++++++++ readline/readline/configure.ac | 320 + readline/{ => readline}/cross-build/cygwin.cache | 0 readline/{ => readline}/display.c | 0 readline/{ => readline}/doc/ChangeLog.gdb | 2 +- readline/{ => readline}/doc/Makefile.in | 0 readline/{ => readline}/doc/fdl.texi | 0 readline/{ => readline}/doc/history.3 | 0 readline/{ => readline}/doc/history.texi | 0 readline/{ => readline}/doc/hstech.texi | 0 readline/{ => readline}/doc/hsuser.texi | 0 readline/{ => readline}/doc/readline.3 | 0 readline/{ => readline}/doc/rlman.texi | 0 readline/{ => readline}/doc/rltech.texi | 0 readline/{ => readline}/doc/rluser.texi | 0 readline/{ => readline}/doc/rluserman.texi | 0 readline/{ => readline}/doc/texi2dvi | 0 readline/{ => readline}/doc/texi2html | 0 readline/{ => readline}/doc/version.texi | 0 readline/{ => readline}/emacs_keymap.c | 0 readline/{ => readline}/examples/ChangeLog.gdb | 2 +- readline/{ => readline}/examples/Inputrc | 0 readline/{ => readline}/examples/Makefile.in | 0 .../examples/autoconf/BASH_CHECK_LIB_TERMCAP | 0 .../examples/autoconf/RL_LIB_READLINE_VERSION | 0 .../examples/autoconf/wi_LIB_READLINE | 0 readline/{ => readline}/examples/excallback.c | 0 readline/{ => readline}/examples/fileman.c | 0 readline/{ => readline}/examples/hist_erasedups.c | 0 readline/{ => readline}/examples/hist_purgecmd.c | 0 readline/{ => readline}/examples/histexamp.c | 0 readline/{ => readline}/examples/manexamp.c | 0 readline/{ => readline}/examples/readlinebuf.h | 0 readline/{ => readline}/examples/rl-callbacktest.c | 0 readline/{ => readline}/examples/rl-fgets.c | 0 readline/{ => readline}/examples/rl.c | 0 readline/{ => readline}/examples/rlbasic.c | 0 readline/{ => readline}/examples/rlcat.c | 0 readline/{ => readline}/examples/rlevent.c | 0 readline/{ => readline}/examples/rlfe/ChangeLog | 2 +- .../{ => readline}/examples/rlfe/ChangeLog.gdb | 2 +- readline/{ => readline}/examples/rlfe/Makefile.in | 0 readline/{ => readline}/examples/rlfe/README | 0 readline/{ => readline}/examples/rlfe/config.h.in | 0 readline/{ => readline}/examples/rlfe/configure | 0 readline/{ => readline}/examples/rlfe/configure.in | 0 readline/{ => readline}/examples/rlfe/extern.h | 0 readline/{ => readline}/examples/rlfe/os.h | 0 readline/{ => readline}/examples/rlfe/pty.c | 0 readline/{ => readline}/examples/rlfe/rlfe.c | 0 readline/{ => readline}/examples/rlfe/screen.h | 0 readline/{ => readline}/examples/rlkeymaps.c | 0 readline/{ => readline}/examples/rlptytest.c | 0 readline/{ => readline}/examples/rltest.c | 0 readline/{ => readline}/examples/rlversion.c | 0 readline/{ => readline}/funmap.c | 0 readline/{ => readline}/histexpand.c | 0 readline/{ => readline}/histfile.c | 0 readline/{ => readline}/histlib.h | 0 readline/{ => readline}/history.c | 0 readline/{ => readline}/history.h | 0 readline/{ => readline}/histsearch.c | 0 readline/{ => readline}/input.c | 0 readline/{ => readline}/isearch.c | 0 readline/{ => readline}/keymaps.c | 0 readline/{ => readline}/keymaps.h | 0 readline/{ => readline}/kill.c | 0 readline/{ => readline}/macro.c | 0 readline/{ => readline}/mbutil.c | 0 readline/{ => readline}/misc.c | 0 readline/{ => readline}/nls.c | 0 readline/{ => readline}/parens.c | 0 readline/{ => readline}/parse-colors.c | 0 readline/{ => readline}/parse-colors.h | 0 readline/{ => readline}/patchlevel | 0 readline/{ => readline}/posixdir.h | 0 readline/{ => readline}/posixjmp.h | 0 readline/{ => readline}/posixselect.h | 0 readline/{ => readline}/posixstat.h | 0 readline/{ => readline}/readline.c | 0 readline/{ => readline}/readline.h | 0 readline/{ => readline}/readline.pc.in | 0 readline/{ => readline}/rlconf.h | 0 readline/{ => readline}/rldefs.h | 0 readline/{ => readline}/rlmbutil.h | 0 readline/{ => readline}/rlprivate.h | 0 readline/{ => readline}/rlshell.h | 0 readline/{ => readline}/rlstdc.h | 0 readline/{ => readline}/rltty.c | 0 readline/{ => readline}/rltty.h | 0 readline/{ => readline}/rltypedefs.h | 0 readline/{ => readline}/rlwinsize.h | 0 readline/{ => readline}/savestring.c | 0 readline/{ => readline}/search.c | 0 readline/{ => readline}/shell.c | 0 readline/{ => readline}/shlib/Makefile.in | 0 readline/{ => readline}/signals.c | 0 readline/{ => readline}/support/config.guess | 0 readline/{ => readline}/support/config.rpath | 0 readline/{ => readline}/support/config.sub | 0 readline/{ => readline}/support/install.sh | 0 readline/{ => readline}/support/mkdirs | 0 readline/{ => readline}/support/mkdist | 0 readline/{ => readline}/support/mkinstalldirs | 0 readline/{ => readline}/support/shlib-install | 0 readline/{ => readline}/support/shobj-conf | 0 readline/{ => readline}/support/wcwidth.c | 0 readline/{ => readline}/tcap.h | 0 readline/{ => readline}/terminal.c | 0 readline/{ => readline}/text.c | 0 readline/{ => readline}/tilde.c | 0 readline/{ => readline}/tilde.h | 0 readline/{ => readline}/undo.c | 0 readline/{ => readline}/util.c | 0 readline/{ => readline}/vi_keymap.c | 0 readline/{ => readline}/vi_mode.c | 0 readline/{ => readline}/xfree.c | 0 readline/{ => readline}/xmalloc.c | 0 readline/{ => readline}/xmalloc.h | 0 152 files changed, 15669 insertions(+), 10597 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index a976d8f..7dd596e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2019-10-23 Tom Tromey + + * Makefile.in (READLINE_DIR): Update. + 2019-10-23 Tankut Baris Aktemur * infcall.c (call_function_by_hand_dummy): Fix the function diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 553b3ff..fe599b4 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -174,8 +174,8 @@ LIBDECNUMBER = $(LIBDECNUMBER_DIR)/libdecnumber.a LIBDECNUMBER_SRC = $(srcdir)/$(LIBDECNUMBER_DIR) LIBDECNUMBER_CFLAGS = -I$(LIBDECNUMBER_DIR) -I$(LIBDECNUMBER_SRC) -# Where is the READLINE library? Typically in ../readline. -READLINE_DIR = ../readline +# Where is the READLINE library? Typically in ../readline/readline. +READLINE_DIR = ../readline/readline READLINE_SRC = $(srcdir)/$(READLINE_DIR) READLINE = @READLINE@ READLINE_DEPS = @READLINE_DEPS@ diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index b81c2cc..0d0d905 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2019-10-23 Tom Tromey + + * Makefile.in (READLINE_DIR): Update. + 2019-10-23 Christian Biesinger * python.texi (Threads In Python): Add a note for how to get the diff --git a/gdb/doc/Makefile.in b/gdb/doc/Makefile.in index 2bb8a30..2673499 100644 --- a/gdb/doc/Makefile.in +++ b/gdb/doc/Makefile.in @@ -74,7 +74,7 @@ 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_DIR = ${gdbdir}/../readline/readline/doc READLINE_TEXI_INCFLAG = @READLINE_TEXI_INCFLAG@ # The GDB/MI docs come from a sibling directory ../mi diff --git a/readline/.gitignore b/readline/.gitignore index be107bb..5f060a1 100644 --- a/readline/.gitignore +++ b/readline/.gitignore @@ -1,37 +1,4 @@ -Makefile - -*.o -*.a -*.so -*.sl -*.dll - +autom4te.cache config.cache -config.h config.log config.status - -doc/Makefile -examples/Makefile -shlib/Makefile - -examples/fileman -examples/hist_erasedups -examples/hist_purgecmd -examples/histexamp -examples/rl -examples/rl-callbacktest -examples/rlbasic -examples/rlcat -examples/rlevent -examples/rltest -examples/rlversion - -libhistory.so.* -libreadline.so.* - -*.dylib - -readline.pc - -stamp-h diff --git a/readline/ChangeLog b/readline/ChangeLog new file mode 100644 index 0000000..936dc31 --- /dev/null +++ b/readline/ChangeLog @@ -0,0 +1,6 @@ +2019-10-23 Tom Tromey + + Move old contents to readline/ subdirectory. + * aclocal.m4, configure, configure.ac, .gitignore, Makefile.am, + Makefile.in, README: New files. + diff --git a/readline/Makefile.am b/readline/Makefile.am new file mode 100644 index 0000000..50b10b2 --- /dev/null +++ b/readline/Makefile.am @@ -0,0 +1,20 @@ +# Copyright (C) 2019 Free Software Foundation, Inc. + +# This file is part of GDB. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +AUTOMAKE_OPTIONS = no-dist foreign +SUBDIRS = readline +ACLOCAL_AMFLAGS = -I . -I ../config diff --git a/readline/Makefile.in b/readline/Makefile.in index bcbd18b..1c68a53 100644 --- a/readline/Makefile.in +++ b/readline/Makefile.in @@ -1,616 +1,517 @@ -## -*- text -*- ## -# Master Makefile for the GNU readline library. -# Copyright (C) 1994-2018 Free Software Foundation, Inc. +# Makefile.in generated by automake 1.15.1 from Makefile.am. +# @configure_input@ -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. +# Copyright (C) 1994-2017 Free Software Foundation, Inc. -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -# You should have received a copy of the GNU General Public License -# along with this program. 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-install-examples: installdirs install-headers - -( cd examples ; ${MAKE} ${MFLAGS} DESTDIR=${DESTDIR} install ) - -uninstall-examples: maybe-uninstall-headers - -( cd examples; ${MAKE} ${MFLAGS} DESTDIR=${DESTDIR} uninstall ) - -install-doc: installdirs - $(INSTALL_DATA) $(OTHER_DOCS) $(DESTDIR)$(docdir) - -( if test -d doc ; then \ - cd doc && \ - ${MAKE} ${MFLAGS} infodir=$(infodir) DESTDIR=${DESTDIR} install; \ - fi ) - -uninstall-doc: - -( cd $(DESTDIR)$(docdir) && ${RM} ${OTHER_INSTALLED_DOCS} ) - -( if test -d doc ; then \ - cd doc && \ - ${MAKE} ${MFLAGS} infodir=$(infodir) DESTDIR=${DESTDIR} uninstall; \ - fi ) - -TAGS: force - -( cd $(srcdir) && $(ETAGS) $(CSOURCES) $(HSOURCES) ) - -tags: force - -( cd $(srcdir) && $(CTAGS) $(CSOURCES) $(HSOURCES) ) - -clean: force - $(RM) $(OBJECTS) $(STATIC_LIBS) - $(RM) readline readline.exe - ( cd shlib && $(MAKE) $(MFLAGS) $@ ) - -( cd doc && $(MAKE) $(MFLAGS) $@ ) - -( cd examples && $(MAKE) $(MFLAGS) $@ ) - -mostlyclean: clean - ( cd shlib && $(MAKE) $(MFLAGS) $@ ) - 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-# Dependencies -bind.o: ansi_stdlib.h posixstat.h -bind.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -bind.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -bind.o: history.h -callback.o: rlconf.h -callback.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -callback.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -compat.o: ${BUILD_DIR}/config.h -compat.o: rlstdc.h rltypedefs.h -complete.o: ansi_stdlib.h posixdir.h posixstat.h -complete.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -complete.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -display.o: ansi_stdlib.h posixstat.h -display.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -display.o: tcap.h -display.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -display.o: history.h rlstdc.h -funmap.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -funmap.o: rlconf.h ansi_stdlib.h rlstdc.h -funmap.o: ${BUILD_DIR}/config.h -histexpand.o: ansi_stdlib.h -histexpand.o: history.h histlib.h rlstdc.h rltypedefs.h -histexpand.o: ${BUILD_DIR}/config.h -histfile.o: ansi_stdlib.h -histfile.o: history.h histlib.h rlstdc.h rltypedefs.h -histfile.o: ${BUILD_DIR}/config.h -history.o: ansi_stdlib.h -history.o: history.h histlib.h rlstdc.h rltypedefs.h -history.o: ${BUILD_DIR}/config.h -histsearch.o: ansi_stdlib.h -histsearch.o: history.h histlib.h rlstdc.h rltypedefs.h -histsearch.o: ${BUILD_DIR}/config.h -input.o: ansi_stdlib.h -input.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -input.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -isearch.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -isearch.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -isearch.o: ansi_stdlib.h history.h rlstdc.h -keymaps.o: emacs_keymap.c vi_keymap.c -keymaps.o: keymaps.h rltypedefs.h chardefs.h rlconf.h ansi_stdlib.h -keymaps.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -keymaps.o: ${BUILD_DIR}/config.h rlstdc.h -kill.o: ansi_stdlib.h -kill.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -kill.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -kill.o: history.h rlstdc.h -macro.o: ansi_stdlib.h -macro.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -macro.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -macro.o: history.h rlstdc.h -mbutil.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -mbutil.o: readline.h keymaps.h rltypedefs.h chardefs.h rlstdc.h -misc.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -misc.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -misc.o: history.h rlstdc.h ansi_stdlib.h -nls.o: ansi_stdlib.h -nls.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -nls.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -nls.o: history.h rlstdc.h -parens.o: rlconf.h -parens.o: ${BUILD_DIR}/config.h -parens.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -readline.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -readline.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -readline.o: history.h rlstdc.h -readline.o: posixstat.h ansi_stdlib.h posixjmp.h -rltty.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -rltty.o: rltty.h -rltty.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -savestring.o: ${BUILD_DIR}/config.h -search.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -search.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -search.o: ansi_stdlib.h history.h rlstdc.h -shell.o: ${BUILD_DIR}/config.h -shell.o: ansi_stdlib.h -signals.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -signals.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -signals.o: history.h rlstdc.h -terminal.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -terminal.o: tcap.h -terminal.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -terminal.o: history.h rlstdc.h -text.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -text.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -text.o: history.h rlstdc.h ansi_stdlib.h -tilde.o: ansi_stdlib.h -tilde.o: ${BUILD_DIR}/config.h -tilde.o: tilde.h -undo.o: ansi_stdlib.h -undo.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -undo.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -undo.o: history.h rlstdc.h -util.o: posixjmp.h ansi_stdlib.h -util.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -util.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -vi_mode.o: rldefs.h ${BUILD_DIR}/config.h rlconf.h -vi_mode.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h -vi_mode.o: history.h ansi_stdlib.h rlstdc.h -xfree.o: ${BUILD_DIR}/config.h -xfree.o: ansi_stdlib.h -xmalloc.o: ${BUILD_DIR}/config.h -xmalloc.o: ansi_stdlib.h - -colors.o: ${BUILD_DIR}/config.h colors.h -colors.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h -colors.o: rlconf.h -colors.o: ansi_stdlib.h posixstat.h -parse-colors.o: ${BUILD_DIR}/config.h colors.h parse-colors.h -parse-colors.o: rldefs.h rlconf.h -parse-colors.o: readline.h keymaps.h rltypedefs.h chardefs.h tilde.h rlstdc.h - -bind.o: rlshell.h -histfile.o: rlshell.h -nls.o: rlshell.h -readline.o: rlshell.h -shell.o: rlshell.h -terminal.o: rlshell.h -histexpand.o: rlshell.h - -bind.o: rlprivate.h -callback.o: rlprivate.h -complete.o: rlprivate.h -display.o: rlprivate.h -input.o: rlprivate.h -isearch.o: rlprivate.h -kill.o: rlprivate.h -macro.o: rlprivate.h -mbutil.o: rlprivate.h -misc.o: rlprivate.h -nls.o: rlprivate.h -parens.o: rlprivate.h -readline.o: rlprivate.h -rltty.o: rlprivate.h -search.o: rlprivate.h -signals.o: rlprivate.h -terminal.o: rlprivate.h -text.o: rlprivate.h -undo.o: rlprivate.h -util.o: rlprivate.h -vi_mode.o: rlprivate.h -colors.o: rlprivate.h -parse-colors.o: rlprivate.h - -bind.o: xmalloc.h -callback.o: xmalloc.h -complete.o: xmalloc.h -display.o: xmalloc.h -funmap.o: xmalloc.h -histexpand.o: xmalloc.h -histfile.o: xmalloc.h -history.o: xmalloc.h -input.o: xmalloc.h -isearch.o: xmalloc.h -keymaps.o: xmalloc.h -kill.o: xmalloc.h -macro.o: xmalloc.h -mbutil.o: xmalloc.h -misc.o: xmalloc.h -readline.o: xmalloc.h -savestring.o: xmalloc.h -search.o: xmalloc.h -shell.o: xmalloc.h -terminal.o: xmalloc.h -text.o: xmalloc.h -tilde.o: xmalloc.h -undo.o: xmalloc.h -util.o: xmalloc.h -vi_mode.o: xmalloc.h -xfree.o: xmalloc.h -xmalloc.o: xmalloc.h -colors.o: xmalloc.h -parse-colors.o: xmalloc.h - -complete.o: rlmbutil.h -display.o: rlmbutil.h -histexpand.o: rlmbutil.h -input.o: rlmbutil.h -isearch.o: rlmbutil.h -mbutil.o: rlmbutil.h -misc.o: rlmbutil.h -readline.o: rlmbutil.h -search.o: rlmbutil.h -text.o: rlmbutil.h -vi_mode.o: rlmbutil.h - -bind.o: $(srcdir)/bind.c -callback.o: $(srcdir)/callback.c -compat.o: $(srcdir)/compat.c -complete.o: $(srcdir)/complete.c -display.o: $(srcdir)/display.c -funmap.o: $(srcdir)/funmap.c -input.o: $(srcdir)/input.c -isearch.o: $(srcdir)/isearch.c -keymaps.o: $(srcdir)/keymaps.c $(srcdir)/emacs_keymap.c $(srcdir)/vi_keymap.c -kill.o: $(srcdir)/kill.c -macro.o: $(srcdir)/macro.c -mbutil.o: $(srcdir)/mbutil.c -misc.o: $(srcdir)/misc.c -nls.o: $(srcdir)/nls.c -parens.o: $(srcdir)/parens.c -readline.o: $(srcdir)/readline.c -rltty.o: $(srcdir)/rltty.c -savestring.o: $(srcdir)/savestring.c -search.o: $(srcdir)/search.c -shell.o: $(srcdir)/shell.c -signals.o: $(srcdir)/signals.c -terminal.o: $(srcdir)/terminal.c -text.o: $(srcdir)/text.c -tilde.o: $(srcdir)/tilde.c -undo.o: $(srcdir)/undo.c -util.o: $(srcdir)/util.c -vi_mode.o: $(srcdir)/vi_mode.c -xfree.o: $(srcdir)/xfree.c -xmalloc.o: $(srcdir)/xmalloc.c - -colors.o: $(srcdir)/parse-colors.c -parse-colors.o: $(srcdir)/parse-colors.c - -histexpand.o: $(srcdir)/histexpand.c -histfile.o: $(srcdir)/histfile.c -history.o: $(srcdir)/history.c -histsearch.o: $(srcdir)/histsearch.c - -bind.o: bind.c -callback.o: callback.c -compat.o: compat.c -complete.o: complete.c -display.o: display.c -funmap.o: funmap.c -input.o: input.c -isearch.o: isearch.c -keymaps.o: keymaps.c emacs_keymap.c vi_keymap.c -kill.o: kill.c -macro.o: macro.c -mbutil.o: mbutil.c -misc.o: misc.c -nls.o: nls.c -parens.o: parens.c -readline.o: readline.c -rltty.o: rltty.c -savestring.o: savestring.c -search.o: search.c -shell.o: shell.c -signals.o: signals.c -terminal.o: terminal.c -text.o: text.c -tilde.o: tilde.c -undo.o: undo.c -util.o: util.c -vi_mode.o: vi_mode.c -xfree.o: xfree.c -xmalloc.o: xmalloc.c - -histexpand.o: histexpand.c -histfile.o: histfile.c -history.o: history.c -histsearch.o: histsearch.c diff --git a/readline/README b/readline/README index 4fb0804..9500004 100644 --- a/readline/README +++ b/readline/README @@ -1,196 +1,14 @@ -Introduction -============ +This is an import of readline that is used by gdb. -This is the Gnu Readline library, version 8.0. +To send patches, follow the gdb patch submission instructions in +../gdb/CONTRIBUTE. For maintainers, see ../gdb/MAINTAINERS. -The Readline library provides a set of functions for use by applications -that allow users to edit command lines as they are typed in. Both -Emacs and vi editing modes are available. The Readline library includes -additional functions to maintain a list of previously-entered command -lines, to recall and perhaps reedit those lines, and perform csh-like -history expansion on previous commands. +If you need to patch readline, please document the changes here. -The history facilites are also placed into a separate library, the -History library, as part of the build process. The History library -may be used without Readline in applications which desire its -capabilities. +To import, copy the upstream readline sources into the "readline" +subdirectory, remembering to (1) remove any files that were deleted +upstream, and (2) merge the one small configure.ac patch that gdb +carries. -The Readline library is free software, distributed under the terms of -the [GNU] General Public License as published by the Free Software -Foundation, version 3 of the License. For more information, see the -file COPYING. - -To build the library, try typing `./configure', then `make'. The -configuration process is automated, so no further intervention should -be necessary. Readline builds with `gcc' by default if it is -available. If you want to use `cc' instead, type - - CC=cc ./configure - -if you are using a Bourne-style shell. If you are not, the following -may work: - - env CC=cc ./configure - -Read the file INSTALL in this directory for more information about how -to customize and control the build process. - -The file rlconf.h contains C preprocessor defines that enable and disable -certain Readline features. - -The special make target `everything' will build the static and shared -libraries (if the target platform supports them) and the examples. - -Examples -======== - -There are several example programs that use Readline features in the -examples directory. The `rl' program is of particular interest. It -is a command-line interface to Readline, suitable for use in shell -scripts in place of `read'. - -Shared Libraries -================ - -There is skeletal support for building shared versions of the -Readline and History libraries. The configure script creates -a Makefile in the `shlib' subdirectory, and typing `make shared' -will cause shared versions of the Readline and History libraries -to be built on supported platforms. - -If `configure' is given the `--enable-shared' option, it will attempt -to build the shared libraries by default on supported platforms. - -Configure calls the script support/shobj-conf to test whether or -not shared library creation is supported and to generate the values -of variables that are substituted into shlib/Makefile. If you -try to build shared libraries on an unsupported platform, `make' -will display a message asking you to update support/shobj-conf for -your platform. - -If you need to update support/shobj-conf, you will need to create -a `stanza' for your operating system and compiler. The script uses -the value of host_os and ${CC} as determined by configure. For -instance, FreeBSD 4.2 with any version of gcc is identified as -`freebsd4.2-gcc*'. - -In the stanza for your operating system-compiler pair, you will need to -define several variables. They are: - -SHOBJ_CC The C compiler used to compile source files into shareable - object files. This is normally set to the value of ${CC} - by configure, and should not need to be changed. - -SHOBJ_CFLAGS Flags to pass to the C compiler ($SHOBJ_CC) to create - position-independent code. If you are using gcc, this - should probably be set to `-fpic'. - -SHOBJ_LD The link editor to be used to create the shared library from - the object files created by $SHOBJ_CC. If you are using - gcc, a value of `gcc' will probably work. - -SHOBJ_LDFLAGS Flags to pass to SHOBJ_LD to enable shared object creation. - If you are using gcc, `-shared' may be all that is necessary. - These should be the flags needed for generic shared object - creation. - -SHLIB_XLDFLAGS Additional flags to pass to SHOBJ_LD for shared library - creation. Many systems use the -R option to the link - editor to embed a path within the library for run-time - library searches. A reasonable value for such systems would - be `-R$(libdir)'. - -SHLIB_LIBS Any additional libraries that shared libraries should be - linked against when they are created. - -SHLIB_LIBPREF The prefix to use when generating the filename of the shared - library. The default is `lib'; Cygwin uses `cyg'. - -SHLIB_LIBSUFF The suffix to add to `libreadline' and `libhistory' when - generating the filename of the shared library. Many systems - use `so'; HP-UX uses `sl'. - -SHLIB_LIBVERSION The string to append to the filename to indicate the version - of the shared library. It should begin with $(SHLIB_LIBSUFF), - and possibly include version information that allows the - run-time loader to load the version of the shared library - appropriate for a particular program. Systems using shared - libraries similar to SunOS 4.x use major and minor library - version numbers; for those systems a value of - `$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)' is appropriate. - Systems based on System V Release 4 don't use minor version - numbers; use `$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)' on those systems. - Other Unix versions use different schemes. - -SHLIB_DLLVERSION The version number for shared libraries that determines API - compatibility between readline versions and the underlying - system. Used only on Cygwin. Defaults to $SHLIB_MAJOR, but - can be overridden at configuration time by defining DLLVERSION - in the environment. - -SHLIB_DOT The character used to separate the name of the shared library - from the suffix and version information. The default is `.'; - systems like Cygwin which don't separate version information - from the library name should set this to the empty string. - -SHLIB_STATUS Set this to `supported' when you have defined the other - necessary variables. Make uses this to determine whether - or not shared library creation should be attempted. - -You should look at the existing stanzas in support/shobj-conf for ideas. - -Once you have updated support/shobj-conf, re-run configure and type -`make shared'. The shared libraries will be created in the shlib -subdirectory. - -If shared libraries are created, `make install' will install them. -You may install only the shared libraries by running `make -install-shared' from the top-level build directory. Running `make -install' in the shlib subdirectory will also work. If you don't want -to install any created shared libraries, run `make install-static'. - -Documentation -============= - -The documentation for the Readline and History libraries appears in -the `doc' subdirectory. There are three texinfo files and a -Unix-style manual page describing the facilities available in the -Readline library. The texinfo files include both user and -programmer's manuals. HTML versions of the manuals appear in the -`doc' subdirectory as well. - -Usage -===== - -Our position on the use of Readline through a shared-library linking -mechanism is that there is no legal difference between shared-library -linking and static linking--either kind of linking combines various -modules into a single larger work. The conditions for using Readline -in a larger work are stated in section 3 of the GNU GPL. - -Reporting Bugs -============== - -Bug reports for Readline should be sent to: - - bug-readline@gnu.org - -When reporting a bug, please include the following information: - - * the version number and release status of Readline (e.g., 4.2-release) - * the machine and OS that it is running on - * a list of the compilation flags or the contents of `config.h', if - appropriate - * a description of the bug - * a recipe for recreating the bug reliably - * a fix for the bug if you have one! - -If you would like to contact the Readline maintainer directly, send mail -to bash-maintainers@gnu.org. - -Since Readline is developed along with bash, the bug-bash@gnu.org mailing -list (mirrored to the Usenet newsgroup gnu.bash.bug) often contains -Readline bug reports and fixes. - -Chet Ramey -chet.ramey@case.edu +If your import removes the need for a local patch, please remember to +update this file. diff --git a/readline/aclocal.m4 b/readline/aclocal.m4 index 1413267..27228d7 100644 --- a/readline/aclocal.m4 +++ b/readline/aclocal.m4 @@ -1,4262 +1,792 @@ -nl -dnl Bash specific tests -dnl -dnl Some derived from PDKSH 5.1.3 autoconf tests -dnl - -AC_DEFUN(BASH_C_LONG_LONG, -[AC_CACHE_CHECK(for long long, ac_cv_c_long_long, -[if test "$GCC" = yes; then - ac_cv_c_long_long=yes -else -AC_TRY_RUN([ -int -main() -{ -long long foo = 0; -exit(sizeof(long long) < sizeof(long)); -} -], ac_cv_c_long_long=yes, ac_cv_c_long_long=no) -fi]) -if test $ac_cv_c_long_long = yes; then - AC_DEFINE(HAVE_LONG_LONG, 1, [Define if the `long long' type works.]) -fi -]) - -dnl -dnl This is very similar to AC_C_LONG_DOUBLE, with the fix for IRIX -dnl (< changed to <=) added. -dnl -AC_DEFUN(BASH_C_LONG_DOUBLE, -[AC_CACHE_CHECK(for long double, ac_cv_c_long_double, -[if test "$GCC" = yes; then - ac_cv_c_long_double=yes -else -AC_TRY_RUN([ -int -main() -{ - /* The Stardent Vistra knows sizeof(long double), but does not - support it. */ - long double foo = 0.0; - /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ - /* On IRIX 5.3, the compiler converts long double to double with a warning, - but compiles this successfully. */ - exit(sizeof(long double) <= sizeof(double)); -} -], ac_cv_c_long_double=yes, ac_cv_c_long_double=no) -fi]) -if test $ac_cv_c_long_double = yes; then - AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if the `long double' type works.]) -fi -]) - -dnl -dnl Check for . This is separated out so that it can be -dnl AC_REQUIREd. -dnl -dnl BASH_HEADER_INTTYPES -AC_DEFUN(BASH_HEADER_INTTYPES, -[ - AC_CHECK_HEADERS(inttypes.h) -]) - -dnl -dnl check for typedef'd symbols in header files, but allow the caller to -dnl specify the include files to be checked in addition to the default -dnl -dnl BASH_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND]) -AC_DEFUN(BASH_CHECK_TYPE, -[ -AC_REQUIRE([AC_HEADER_STDC])dnl -AC_REQUIRE([BASH_HEADER_INTTYPES]) -AC_MSG_CHECKING(for $1) -AC_CACHE_VAL(bash_cv_type_$1, -[AC_EGREP_CPP($1, [#include -#if STDC_HEADERS -#include -#include -#endif -#if HAVE_INTTYPES_H -#include -#endif -#if HAVE_STDINT_H -#include -#endif -$2 -], bash_cv_type_$1=yes, bash_cv_type_$1=no)]) -AC_MSG_RESULT($bash_cv_type_$1) -ifelse($#, 4, [if test $bash_cv_type_$1 = yes; then - AC_DEFINE($4) - fi]) -if test $bash_cv_type_$1 = no; then - AC_DEFINE_UNQUOTED($1, $3) -fi -]) - -dnl -dnl BASH_CHECK_DECL(FUNC) -dnl -dnl Check for a declaration of FUNC in stdlib.h and inttypes.h like -dnl AC_CHECK_DECL -dnl -AC_DEFUN(BASH_CHECK_DECL, -[ -AC_REQUIRE([AC_HEADER_STDC]) -AC_REQUIRE([BASH_HEADER_INTTYPES]) -AC_CACHE_CHECK([for declaration of $1], bash_cv_decl_$1, -[AC_TRY_LINK( -[ -#if STDC_HEADERS -# include -#endif -#if HAVE_INTTYPES_H -# include -#endif -], -[return !$1;], -bash_cv_decl_$1=yes, bash_cv_decl_$1=no)]) -bash_tr_func=HAVE_DECL_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` -if test $bash_cv_decl_$1 = yes; then - AC_DEFINE_UNQUOTED($bash_tr_func, 1) -else - AC_DEFINE_UNQUOTED($bash_tr_func, 0) -fi -]) - -AC_DEFUN(BASH_DECL_PRINTF, -[AC_MSG_CHECKING(for declaration of printf in ) -AC_CACHE_VAL(bash_cv_printf_declared, -[AC_TRY_RUN([ -#include -#ifdef __STDC__ -typedef int (*_bashfunc)(const char *, ...); -#else -typedef int (*_bashfunc)(); -#endif -main() -{ -_bashfunc pf; -pf = (_bashfunc) printf; -exit(pf == 0); -} -], bash_cv_printf_declared=yes, bash_cv_printf_declared=no, - [AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes) - bash_cv_printf_declared=yes] -)]) -AC_MSG_RESULT($bash_cv_printf_declared) -if test $bash_cv_printf_declared = yes; then -AC_DEFINE(PRINTF_DECLARED) -fi -]) - -AC_DEFUN(BASH_DECL_SBRK, -[AC_MSG_CHECKING(for declaration of sbrk in ) -AC_CACHE_VAL(bash_cv_sbrk_declared, -[AC_EGREP_HEADER(sbrk, unistd.h, - bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)]) -AC_MSG_RESULT($bash_cv_sbrk_declared) -if test $bash_cv_sbrk_declared = yes; then -AC_DEFINE(SBRK_DECLARED) -fi -]) - -dnl -dnl Check for sys_siglist[] or _sys_siglist[] -dnl -AC_DEFUN(BASH_DECL_UNDER_SYS_SIGLIST, -[AC_MSG_CHECKING([for _sys_siglist in signal.h or unistd.h]) -AC_CACHE_VAL(bash_cv_decl_under_sys_siglist, -[AC_TRY_COMPILE([ -#include -#include -#ifdef HAVE_UNISTD_H -#include -#endif], [ char *msg = _sys_siglist[2]; ], - bash_cv_decl_under_sys_siglist=yes, bash_cv_decl_under_sys_siglist=no, - [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)])])dnl -AC_MSG_RESULT($bash_cv_decl_under_sys_siglist) -if test $bash_cv_decl_under_sys_siglist = yes; then -AC_DEFINE(UNDER_SYS_SIGLIST_DECLARED) -fi -]) - -AC_DEFUN(BASH_UNDER_SYS_SIGLIST, -[AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) -AC_MSG_CHECKING([for _sys_siglist in system C library]) -AC_CACHE_VAL(bash_cv_under_sys_siglist, -[AC_TRY_RUN([ -#include -#include -#ifdef HAVE_UNISTD_H -#include -#endif -#ifndef UNDER_SYS_SIGLIST_DECLARED -extern char *_sys_siglist[]; -#endif -main() -{ -char *msg = (char *)_sys_siglist[2]; -exit(msg == 0); -}], - bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no, - [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no) - bash_cv_under_sys_siglist=no])]) -AC_MSG_RESULT($bash_cv_under_sys_siglist) -if test $bash_cv_under_sys_siglist = yes; then -AC_DEFINE(HAVE_UNDER_SYS_SIGLIST) -fi -]) - -AC_DEFUN(BASH_SYS_SIGLIST, -[AC_REQUIRE([AC_DECL_SYS_SIGLIST]) -AC_MSG_CHECKING([for sys_siglist in system C library]) -AC_CACHE_VAL(bash_cv_sys_siglist, -[AC_TRY_RUN([ -#include -#include -#ifdef HAVE_UNISTD_H -#include -#endif -#if !HAVE_DECL_SYS_SIGLIST -extern char *sys_siglist[]; -#endif -main() -{ -char *msg = sys_siglist[2]; -exit(msg == 0); -}], - bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no, - [AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no) - bash_cv_sys_siglist=no])]) -AC_MSG_RESULT($bash_cv_sys_siglist) -if test $bash_cv_sys_siglist = yes; then -AC_DEFINE(HAVE_SYS_SIGLIST) -fi -]) - -dnl Check for the various permutations of sys_siglist and make sure we -dnl compile in siglist.o if they're not defined -AC_DEFUN(BASH_CHECK_SYS_SIGLIST, [ -AC_REQUIRE([BASH_SYS_SIGLIST]) -AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) -AC_REQUIRE([BASH_FUNC_STRSIGNAL]) -if test "$bash_cv_sys_siglist" = no && test "$bash_cv_under_sys_siglist" = no && test "$bash_cv_have_strsignal" = no; then - SIGLIST_O=siglist.o -else - SIGLIST_O= -fi -AC_SUBST([SIGLIST_O]) -]) - -dnl Check for sys_errlist[] and sys_nerr, check for declaration -AC_DEFUN(BASH_SYS_ERRLIST, -[AC_MSG_CHECKING([for sys_errlist and sys_nerr]) -AC_CACHE_VAL(bash_cv_sys_errlist, -[AC_TRY_LINK([#include ], -[extern char *sys_errlist[]; - extern int sys_nerr; - char *msg = sys_errlist[sys_nerr - 1];], - bash_cv_sys_errlist=yes, bash_cv_sys_errlist=no)])dnl -AC_MSG_RESULT($bash_cv_sys_errlist) -if test $bash_cv_sys_errlist = yes; then -AC_DEFINE(HAVE_SYS_ERRLIST) -fi -]) - -dnl -dnl Check if dup2() does not clear the close on exec flag -dnl -AC_DEFUN(BASH_FUNC_DUP2_CLOEXEC_CHECK, -[AC_MSG_CHECKING(if dup2 fails to clear the close-on-exec flag) -AC_CACHE_VAL(bash_cv_dup2_broken, -[AC_TRY_RUN([ -#include -#include -main() -{ - int fd1, fd2, fl; - fd1 = open("/dev/null", 2); - if (fcntl(fd1, 2, 1) < 0) - exit(1); - fd2 = dup2(fd1, 1); - if (fd2 < 0) - exit(2); - fl = fcntl(fd2, 1, 0); - /* fl will be 1 if dup2 did not reset the close-on-exec flag. */ - exit(fl != 1); -} -], bash_cv_dup2_broken=yes, bash_cv_dup2_broken=no, - [AC_MSG_WARN(cannot check dup2 if cross compiling -- defaulting to no) - bash_cv_dup2_broken=no]) -]) -AC_MSG_RESULT($bash_cv_dup2_broken) -if test $bash_cv_dup2_broken = yes; then -AC_DEFINE(DUP2_BROKEN) -fi -]) - -AC_DEFUN(BASH_FUNC_STRSIGNAL, -[AC_MSG_CHECKING([for the existence of strsignal]) -AC_CACHE_VAL(bash_cv_have_strsignal, -[AC_TRY_LINK([#include -#include ], -[char *s = (char *)strsignal(2);], - bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)]) -AC_MSG_RESULT($bash_cv_have_strsignal) -if test $bash_cv_have_strsignal = yes; then -AC_DEFINE(HAVE_STRSIGNAL) -fi -]) - -dnl Check to see if opendir will open non-directories (not a nice thing) -AC_DEFUN(BASH_FUNC_OPENDIR_CHECK, -[AC_REQUIRE([AC_HEADER_DIRENT])dnl -AC_MSG_CHECKING(if opendir() opens non-directories) -AC_CACHE_VAL(bash_cv_opendir_not_robust, -[AC_TRY_RUN([ -#include -#include -#include -#ifdef HAVE_UNISTD_H -# include -#endif /* HAVE_UNISTD_H */ -#if defined(HAVE_DIRENT_H) -# include -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include -# endif /* SYSNDIR */ -# ifdef HAVE_SYS_DIR_H -# include -# endif /* SYSDIR */ -# ifdef HAVE_NDIR_H -# include -# endif -#endif /* HAVE_DIRENT_H */ -main() -{ -DIR *dir; -int fd, err; -err = mkdir("bash-aclocal", 0700); -if (err < 0) { - perror("mkdir"); - exit(1); -} -unlink("bash-aclocal/not_a_directory"); -fd = open("bash-aclocal/not_a_directory", O_WRONLY|O_CREAT|O_EXCL, 0666); -write(fd, "\n", 1); -close(fd); -dir = opendir("bash-aclocal/not_a_directory"); -unlink("bash-aclocal/not_a_directory"); -rmdir("bash-aclocal"); -exit (dir == 0); -}], bash_cv_opendir_not_robust=yes,bash_cv_opendir_not_robust=no, - [AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no) - bash_cv_opendir_not_robust=no] -)]) -AC_MSG_RESULT($bash_cv_opendir_not_robust) -if test $bash_cv_opendir_not_robust = yes; then -AC_DEFINE(OPENDIR_NOT_ROBUST) -fi -]) - -dnl -AC_DEFUN(BASH_TYPE_SIGHANDLER, -[AC_MSG_CHECKING([whether signal handlers are of type void]) -AC_CACHE_VAL(bash_cv_void_sighandler, -[AC_TRY_COMPILE([#include -#include -#ifdef signal -#undef signal -#endif -#ifdef __cplusplus -extern "C" -#endif -void (*signal ()) ();], -[int i;], bash_cv_void_sighandler=yes, bash_cv_void_sighandler=no)])dnl -AC_MSG_RESULT($bash_cv_void_sighandler) -if test $bash_cv_void_sighandler = yes; then -AC_DEFINE(VOID_SIGHANDLER) -fi -]) - -dnl -dnl A signed 16-bit integer quantity -dnl -AC_DEFUN(BASH_TYPE_BITS16_T, -[ -if test "$ac_cv_sizeof_short" = 2; then - AC_CHECK_TYPE(bits16_t, short) -elif test "$ac_cv_sizeof_char" = 2; then - AC_CHECK_TYPE(bits16_t, char) -else - AC_CHECK_TYPE(bits16_t, short) -fi -]) - -dnl -dnl An unsigned 16-bit integer quantity -dnl -AC_DEFUN(BASH_TYPE_U_BITS16_T, -[ -if test "$ac_cv_sizeof_short" = 2; then - AC_CHECK_TYPE(u_bits16_t, unsigned short) -elif test "$ac_cv_sizeof_char" = 2; then - AC_CHECK_TYPE(u_bits16_t, unsigned char) -else - AC_CHECK_TYPE(u_bits16_t, unsigned short) -fi -]) - -dnl -dnl A signed 32-bit integer quantity -dnl -AC_DEFUN(BASH_TYPE_BITS32_T, -[ -if test "$ac_cv_sizeof_int" = 4; then - AC_CHECK_TYPE(bits32_t, int) -elif test "$ac_cv_sizeof_long" = 4; then - AC_CHECK_TYPE(bits32_t, long) -else - AC_CHECK_TYPE(bits32_t, int) -fi -]) - -dnl -dnl An unsigned 32-bit integer quantity -dnl -AC_DEFUN(BASH_TYPE_U_BITS32_T, -[ -if test "$ac_cv_sizeof_int" = 4; then - AC_CHECK_TYPE(u_bits32_t, unsigned int) -elif test "$ac_cv_sizeof_long" = 4; then - AC_CHECK_TYPE(u_bits32_t, unsigned long) -else - AC_CHECK_TYPE(u_bits32_t, unsigned int) -fi -]) - -AC_DEFUN(BASH_TYPE_PTRDIFF_T, -[ -if test "$ac_cv_sizeof_int" = "$ac_cv_sizeof_char_p"; then - AC_CHECK_TYPE(ptrdiff_t, int) -elif test "$ac_cv_sizeof_long" = "$ac_cv_sizeof_char_p"; then - AC_CHECK_TYPE(ptrdiff_t, long) -elif test "$ac_cv_type_long_long" = yes && test "$ac_cv_sizeof_long_long" = "$ac_cv_sizeof_char_p"; then - AC_CHECK_TYPE(ptrdiff_t, [long long]) -else - AC_CHECK_TYPE(ptrdiff_t, int) -fi -]) - -dnl -dnl A signed 64-bit quantity -dnl -AC_DEFUN(BASH_TYPE_BITS64_T, -[ -if test "$ac_cv_sizeof_char_p" = 8; then - AC_CHECK_TYPE(bits64_t, char *) -elif test "$ac_cv_sizeof_double" = 8; then - AC_CHECK_TYPE(bits64_t, double) -elif test -n "$ac_cv_type_long_long" && test "$ac_cv_sizeof_long_long" = 8; then - AC_CHECK_TYPE(bits64_t, [long long]) -elif test "$ac_cv_sizeof_long" = 8; then - AC_CHECK_TYPE(bits64_t, long) -else - AC_CHECK_TYPE(bits64_t, double) -fi -]) - -AC_DEFUN(BASH_TYPE_LONG_LONG, -[ -AC_CACHE_CHECK([for long long], bash_cv_type_long_long, -[AC_TRY_LINK([ -long long ll = 1; int i = 63;], -[ -long long llm = (long long) -1; -return ll << i | ll >> i | llm / ll | llm % ll; -], bash_cv_type_long_long='long long', bash_cv_type_long_long='long')]) -if test "$bash_cv_type_long_long" = 'long long'; then - AC_DEFINE(HAVE_LONG_LONG, 1) -fi -]) - -AC_DEFUN(BASH_TYPE_UNSIGNED_LONG_LONG, -[ -AC_CACHE_CHECK([for unsigned long long], bash_cv_type_unsigned_long_long, -[AC_TRY_LINK([ -unsigned long long ull = 1; int i = 63;], -[ -unsigned long long ullmax = (unsigned long long) -1; -return ull << i | ull >> i | ullmax / ull | ullmax % ull; -], bash_cv_type_unsigned_long_long='unsigned long long', - bash_cv_type_unsigned_long_long='unsigned long')]) -if test "$bash_cv_type_unsigned_long_long" = 'unsigned long long'; then - AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1) -fi -]) - -dnl -dnl Type of struct rlimit fields: some systems (OSF/1, NetBSD, RISC/os 5.0) -dnl have a rlim_t, others (4.4BSD based systems) use quad_t, others use -dnl long and still others use int (HP-UX 9.01, SunOS 4.1.3). To simplify -dnl matters, this just checks for rlim_t, quad_t, or long. -dnl -AC_DEFUN(BASH_TYPE_RLIMIT, -[AC_MSG_CHECKING(for size and type of struct rlimit fields) -AC_CACHE_VAL(bash_cv_type_rlimit, -[AC_TRY_COMPILE([#include -#include ], -[rlim_t xxx;], bash_cv_type_rlimit=rlim_t,[ -AC_TRY_RUN([ -#include -#include -#include -main() -{ -#ifdef HAVE_QUAD_T - struct rlimit rl; - if (sizeof(rl.rlim_cur) == sizeof(quad_t)) - exit(0); -#endif - exit(1); -}], bash_cv_type_rlimit=quad_t, bash_cv_type_rlimit=long, - [AC_MSG_WARN(cannot check quad_t if cross compiling -- defaulting to long) - bash_cv_type_rlimit=long])]) -]) -AC_MSG_RESULT($bash_cv_type_rlimit) -if test $bash_cv_type_rlimit = quad_t; then -AC_DEFINE(RLIMTYPE, quad_t) -elif test $bash_cv_type_rlimit = rlim_t; then -AC_DEFINE(RLIMTYPE, rlim_t) -fi -]) - -AC_DEFUN(BASH_TYPE_SIG_ATOMIC_T, -[AC_CACHE_CHECK([for sig_atomic_t in signal.h], ac_cv_have_sig_atomic_t, -[AC_TRY_LINK([ -#include -],[ sig_atomic_t x; ], -ac_cv_have_sig_atomic_t=yes, ac_cv_have_sig_atomic_t=no)]) -if test "$ac_cv_have_sig_atomic_t" = "no" -then - AC_CHECK_TYPE(sig_atomic_t,int) -fi -]) - -AC_DEFUN(BASH_FUNC_LSTAT, -[dnl Cannot use AC_CHECK_FUNCS(lstat) because Linux defines lstat() as an -dnl inline function in . -AC_CACHE_CHECK([for lstat], bash_cv_func_lstat, -[AC_TRY_LINK([ -#include -#include -],[ lstat(".",(struct stat *)0); ], -bash_cv_func_lstat=yes, bash_cv_func_lstat=no)]) -if test $bash_cv_func_lstat = yes; then - AC_DEFINE(HAVE_LSTAT) -fi -]) - -AC_DEFUN(BASH_FUNC_INET_ATON, -[ -AC_CACHE_CHECK([for inet_aton], bash_cv_func_inet_aton, -[AC_TRY_LINK([ -#include -#include -#include -struct in_addr ap;], [ inet_aton("127.0.0.1", &ap); ], -bash_cv_func_inet_aton=yes, bash_cv_func_inet_aton=no)]) -if test $bash_cv_func_inet_aton = yes; then - AC_DEFINE(HAVE_INET_ATON) -else - AC_LIBOBJ(inet_aton) -fi -]) - -AC_DEFUN(BASH_FUNC_GETENV, -[AC_MSG_CHECKING(to see if getenv can be redefined) -AC_CACHE_VAL(bash_cv_getenv_redef, -[AC_TRY_RUN([ -#ifdef HAVE_UNISTD_H -# include -#endif -#ifndef __STDC__ -# ifndef const -# define const -# endif -#endif -char * -getenv (name) -#if defined (__linux__) || defined (__bsdi__) || defined (convex) - const char *name; -#else - char const *name; -#endif /* !__linux__ && !__bsdi__ && !convex */ -{ -return "42"; -} -main() -{ -char *s; -/* The next allows this program to run, but does not allow bash to link - when it redefines getenv. I'm not really interested in figuring out - why not. */ -#if defined (NeXT) -exit(1); -#endif -s = getenv("ABCDE"); -exit(s == 0); /* force optimizer to leave getenv in */ -} -], bash_cv_getenv_redef=yes, bash_cv_getenv_redef=no, - [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes) - bash_cv_getenv_redef=yes] -)]) -AC_MSG_RESULT($bash_cv_getenv_redef) -if test $bash_cv_getenv_redef = yes; then -AC_DEFINE(CAN_REDEFINE_GETENV) -fi -]) - -# We should check for putenv before calling this -AC_DEFUN(BASH_FUNC_STD_PUTENV, -[ -AC_REQUIRE([AC_HEADER_STDC]) -AC_REQUIRE([AC_C_PROTOTYPES]) -AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv, -[AC_TRY_LINK([ -#if STDC_HEADERS -#include -#include -#endif -#ifndef __STDC__ -# ifndef const -# define const -# endif -#endif -#ifdef PROTOTYPES -extern int putenv (char *); -#else -extern int putenv (); -#endif -], -[return (putenv == 0);], -bash_cv_std_putenv=yes, bash_cv_std_putenv=no -)]) -if test $bash_cv_std_putenv = yes; then -AC_DEFINE(HAVE_STD_PUTENV) -fi -]) - -# We should check for unsetenv before calling this -AC_DEFUN(BASH_FUNC_STD_UNSETENV, -[ -AC_REQUIRE([AC_HEADER_STDC]) -AC_REQUIRE([AC_C_PROTOTYPES]) -AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv, -[AC_TRY_LINK([ -#if STDC_HEADERS -#include -#include -#endif -#ifndef __STDC__ -# ifndef const -# define const -# endif -#endif -#ifdef PROTOTYPES -extern int unsetenv (const char *); -#else -extern int unsetenv (); -#endif -], -[return (unsetenv == 0);], -bash_cv_std_unsetenv=yes, bash_cv_std_unsetenv=no -)]) -if test $bash_cv_std_unsetenv = yes; then -AC_DEFINE(HAVE_STD_UNSETENV) -fi -]) - -AC_DEFUN(BASH_FUNC_ULIMIT_MAXFDS, -[AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize) -AC_CACHE_VAL(bash_cv_ulimit_maxfds, -[AC_TRY_RUN([ -main() -{ -long maxfds = ulimit(4, 0L); -exit (maxfds == -1L); -} -], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no, - [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no) - bash_cv_ulimit_maxfds=no] -)]) -AC_MSG_RESULT($bash_cv_ulimit_maxfds) -if test $bash_cv_ulimit_maxfds = yes; then -AC_DEFINE(ULIMIT_MAXFDS) -fi -]) - -AC_DEFUN(BASH_FUNC_GETCWD, -[AC_MSG_CHECKING([if getcwd() will dynamically allocate memory with 0 size]) -AC_CACHE_VAL(bash_cv_getcwd_malloc, -[AC_TRY_RUN([ -#include -#ifdef HAVE_UNISTD_H -#include -#endif - -main() -{ - char *xpwd; - xpwd = getcwd(0, 0); - exit (xpwd == 0); -} -], bash_cv_getcwd_malloc=yes, bash_cv_getcwd_malloc=no, - [AC_MSG_WARN(cannot check whether getcwd allocates memory when cross-compiling -- defaulting to no) - bash_cv_getcwd_malloc=no] -)]) -AC_MSG_RESULT($bash_cv_getcwd_malloc) -if test $bash_cv_getcwd_malloc = no; then -AC_DEFINE(GETCWD_BROKEN) -AC_LIBOBJ(getcwd) -fi -]) - -dnl -dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every -dnl system, we can't use AC_PREREQ -dnl -AC_DEFUN(BASH_FUNC_GETHOSTBYNAME, -[if test "X$bash_cv_have_gethostbyname" = "X"; then -_bash_needmsg=yes -else -AC_MSG_CHECKING(for gethostbyname in socket library) -_bash_needmsg= -fi -AC_CACHE_VAL(bash_cv_have_gethostbyname, -[AC_TRY_LINK([#include ], -[ struct hostent *hp; 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-#else - -int code; -sigset_t set, oset; -sigjmp_buf xx; - -/* get the mask */ -sigemptyset(&set); -sigemptyset(&oset); -sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set); -sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset); - -/* save it */ -code = sigsetjmp(xx, 1); -if (code) - exit(0); /* could get sigmask and compare to oset here. */ - -/* change it */ -sigaddset(&set, SIGINT); -sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL); - -/* and siglongjmp */ -siglongjmp(xx, 10); -exit(1); -#endif -}], bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing, - [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing) - bash_cv_func_sigsetjmp=missing] -)]) -AC_MSG_RESULT($bash_cv_func_sigsetjmp) -if test $bash_cv_func_sigsetjmp = present; then -AC_DEFINE(HAVE_POSIX_SIGSETJMP) -fi -]) - -AC_DEFUN(BASH_FUNC_STRCOLL, -[ -AC_MSG_CHECKING(whether or not strcoll and strcmp differ) -AC_CACHE_VAL(bash_cv_func_strcoll_broken, -[AC_TRY_RUN([ -#include -#if defined (HAVE_LOCALE_H) -#include -#endif - -main(c, v) -int c; -char *v[]; -{ - int r1, r2; - char *deflocale, *defcoll; - -#ifdef HAVE_SETLOCALE - deflocale = setlocale(LC_ALL, ""); - defcoll = setlocale(LC_COLLATE, ""); -#endif - -#ifdef HAVE_STRCOLL - /* These two values are taken from tests/glob-test. */ - r1 = strcoll("abd", "aXd"); -#else - r1 = 0; -#endif - r2 = strcmp("abd", "aXd"); - - /* These two should both be greater than 0. It is permissible for - a system to return different values, as long as the sign is the - same. */ - - /* Exit with 1 (failure) if these two values are both > 0, since - this tests whether strcoll(3) is broken with respect to strcmp(3) - in the default locale. */ - exit (r1 > 0 && r2 > 0); -} -], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no, - [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no) - bash_cv_func_strcoll_broken=no] -)]) -AC_MSG_RESULT($bash_cv_func_strcoll_broken) -if test $bash_cv_func_strcoll_broken = yes; then -AC_DEFINE(STRCOLL_BROKEN) -fi -]) - -AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT, -[AC_MSG_CHECKING([for printf floating point output in hex notation]) -AC_CACHE_VAL(bash_cv_printf_a_format, -[AC_TRY_RUN([ -#include -#include - -int -main() -{ - double y = 0.0; - char abuf[1024]; - - sprintf(abuf, "%A", y); - exit(strchr(abuf, 'P') == (char *)0); -} -], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no, - [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no) - bash_cv_printf_a_format=no] -)]) -AC_MSG_RESULT($bash_cv_printf_a_format) -if test $bash_cv_printf_a_format = yes; then -AC_DEFINE(HAVE_PRINTF_A_FORMAT) -fi -]) - -AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC, -[ -AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[ -#include -#include -]) -]) - -AC_DEFUN(BASH_STRUCT_TERMIO_LDISC, -[ -AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[ -#include -#include -]) -]) - -dnl -dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS -dnl -dnl sets bash_cv_struct_stat_st_blocks -dnl -dnl unused for now; we'll see how AC_CHECK_MEMBERS works -dnl -AC_DEFUN(BASH_STRUCT_ST_BLOCKS, -[ -AC_MSG_CHECKING([for struct stat.st_blocks]) -AC_CACHE_VAL(bash_cv_struct_stat_st_blocks, -[AC_TRY_COMPILE( -[ -#include -#include -], -[ -main() -{ -static struct stat a; -if (a.st_blocks) return 0; -return 0; -} -], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no) -]) -AC_MSG_RESULT($bash_cv_struct_stat_st_blocks) -if test "$bash_cv_struct_stat_st_blocks" = "yes"; then -AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS) -fi -]) - -AC_DEFUN([BASH_CHECK_LIB_TERMCAP], -[ -if test "X$bash_cv_termcap_lib" = "X"; then -_bash_needmsg=yes -else -AC_MSG_CHECKING(which library has the termcap functions) -_bash_needmsg= -fi -AC_CACHE_VAL(bash_cv_termcap_lib, -[AC_CHECK_FUNC(tgetent, bash_cv_termcap_lib=libc, - [AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap, - [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo, - [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses, - [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses, - [AC_CHECK_LIB(ncursesw, tgetent, bash_cv_termcap_lib=libncursesw, - bash_cv_termcap_lib=gnutermcap)])])])])])]) -if test "X$_bash_needmsg" = "Xyes"; then -AC_MSG_CHECKING(which library has the termcap functions) -fi -AC_MSG_RESULT(using $bash_cv_termcap_lib) -if test $bash_cv_termcap_lib = gnutermcap && test -z "$prefer_curses"; then -LDFLAGS="$LDFLAGS -L./lib/termcap" -TERMCAP_LIB="./lib/termcap/libtermcap.a" -TERMCAP_DEP="./lib/termcap/libtermcap.a" -elif test $bash_cv_termcap_lib = libtermcap && test -z "$prefer_curses"; then -TERMCAP_LIB=-ltermcap -TERMCAP_DEP= -elif test $bash_cv_termcap_lib = libtinfo; then -TERMCAP_LIB=-ltinfo -TERMCAP_DEP= -elif test $bash_cv_termcap_lib = libncurses; then -TERMCAP_LIB=-lncurses -TERMCAP_DEP= -elif test $bash_cv_termcap_lib = libc; then -TERMCAP_LIB= -TERMCAP_DEP= -else -TERMCAP_LIB=-lcurses -TERMCAP_DEP= -fi -]) - -dnl -dnl Check for the presence of getpeername in libsocket. -dnl If libsocket is present, check for libnsl and add it to LIBS if -dnl it's there, since most systems with libsocket require linking -dnl with libnsl as well. This should only be called if getpeername -dnl was not found in libc. -dnl -dnl NOTE: IF WE FIND GETPEERNAME, WE ASSUME THAT WE HAVE BIND/CONNECT -dnl AS WELL -dnl -AC_DEFUN(BASH_CHECK_LIB_SOCKET, -[ -if test "X$bash_cv_have_socklib" = "X"; then -_bash_needmsg= -else -AC_MSG_CHECKING(for socket library) -_bash_needmsg=yes -fi -AC_CACHE_VAL(bash_cv_have_socklib, -[AC_CHECK_LIB(socket, getpeername, - bash_cv_have_socklib=yes, bash_cv_have_socklib=no, -lnsl)]) -if test "X$_bash_needmsg" = Xyes; then - AC_MSG_RESULT($bash_cv_have_socklib) - _bash_needmsg= -fi -if test $bash_cv_have_socklib = yes; then - # check for libnsl, add it to LIBS if present - if test "X$bash_cv_have_libnsl" = "X"; then - _bash_needmsg= - else - AC_MSG_CHECKING(for libnsl) - _bash_needmsg=yes - fi - AC_CACHE_VAL(bash_cv_have_libnsl, - [AC_CHECK_LIB(nsl, t_open, - bash_cv_have_libnsl=yes, bash_cv_have_libnsl=no)]) - if test "X$_bash_needmsg" = Xyes; then - AC_MSG_RESULT($bash_cv_have_libnsl) - _bash_needmsg= - fi - if test $bash_cv_have_libnsl = yes; then - LIBS="-lsocket -lnsl $LIBS" - else - LIBS="-lsocket $LIBS" - fi - AC_DEFINE(HAVE_LIBSOCKET) - AC_DEFINE(HAVE_GETPEERNAME) -fi -]) - -AC_DEFUN(BASH_STRUCT_DIRENT_D_INO, -[AC_REQUIRE([AC_HEADER_DIRENT]) -AC_MSG_CHECKING(for struct dirent.d_ino) -AC_CACHE_VAL(bash_cv_dirent_has_dino, -[AC_TRY_COMPILE([ -#include -#include -#ifdef HAVE_UNISTD_H -# include -#endif /* HAVE_UNISTD_H */ -#if defined(HAVE_DIRENT_H) -# include -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include -# endif /* SYSNDIR */ -# ifdef HAVE_SYS_DIR_H -# include -# endif /* SYSDIR */ -# ifdef HAVE_NDIR_H -# include -# endif -#endif /* HAVE_DIRENT_H */ -],[ -struct dirent d; int z; z = d.d_ino; -], bash_cv_dirent_has_dino=yes, bash_cv_dirent_has_dino=no)]) -AC_MSG_RESULT($bash_cv_dirent_has_dino) -if test $bash_cv_dirent_has_dino = yes; then -AC_DEFINE(HAVE_STRUCT_DIRENT_D_INO) -fi -]) - -AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO, -[AC_REQUIRE([AC_HEADER_DIRENT]) -AC_MSG_CHECKING(for struct dirent.d_fileno) -AC_CACHE_VAL(bash_cv_dirent_has_d_fileno, -[AC_TRY_COMPILE([ -#include -#include -#ifdef HAVE_UNISTD_H -# include -#endif /* HAVE_UNISTD_H */ -#if defined(HAVE_DIRENT_H) -# include -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include -# endif /* SYSNDIR */ -# ifdef HAVE_SYS_DIR_H -# include -# endif /* SYSDIR */ -# ifdef HAVE_NDIR_H -# include -# endif -#endif /* HAVE_DIRENT_H */ -],[ -struct dirent d; int z; z = d.d_fileno; -], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)]) -AC_MSG_RESULT($bash_cv_dirent_has_d_fileno) -if test $bash_cv_dirent_has_d_fileno = yes; then -AC_DEFINE(HAVE_STRUCT_DIRENT_D_FILENO) -fi -]) - -AC_DEFUN(BASH_STRUCT_DIRENT_D_NAMLEN, -[AC_REQUIRE([AC_HEADER_DIRENT]) -AC_MSG_CHECKING(for struct dirent.d_namlen) -AC_CACHE_VAL(bash_cv_dirent_has_d_namlen, -[AC_TRY_COMPILE([ -#include -#include -#ifdef HAVE_UNISTD_H -# include -#endif /* HAVE_UNISTD_H */ -#if defined(HAVE_DIRENT_H) -# include -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include -# endif /* SYSNDIR */ -# ifdef HAVE_SYS_DIR_H -# include -# endif /* SYSDIR */ -# ifdef HAVE_NDIR_H -# include -# endif -#endif /* HAVE_DIRENT_H */ -],[ -struct dirent d; int z; z = d.d_namlen; -], bash_cv_dirent_has_d_namlen=yes, bash_cv_dirent_has_d_namlen=no)]) -AC_MSG_RESULT($bash_cv_dirent_has_d_namlen) -if test $bash_cv_dirent_has_d_namlen = yes; then -AC_DEFINE(HAVE_STRUCT_DIRENT_D_NAMLEN) -fi -]) - -AC_DEFUN(BASH_STRUCT_TIMEVAL, -[AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h) -AC_CACHE_VAL(bash_cv_struct_timeval, -[ -AC_EGREP_HEADER(struct timeval, sys/time.h, - bash_cv_struct_timeval=yes, - AC_EGREP_HEADER(struct timeval, time.h, - bash_cv_struct_timeval=yes, - bash_cv_struct_timeval=no)) -]) -AC_MSG_RESULT($bash_cv_struct_timeval) -if test $bash_cv_struct_timeval = yes; then - AC_DEFINE(HAVE_TIMEVAL) -fi -]) - -AC_DEFUN(BASH_STRUCT_TIMEZONE, -[AC_MSG_CHECKING(for struct timezone in sys/time.h and time.h) -AC_CACHE_VAL(bash_cv_struct_timezone, -[ -AC_EGREP_HEADER(struct timezone, sys/time.h, - bash_cv_struct_timezone=yes, - AC_EGREP_HEADER(struct timezone, time.h, - bash_cv_struct_timezone=yes, - bash_cv_struct_timezone=no)) -]) -AC_MSG_RESULT($bash_cv_struct_timezone) -if test $bash_cv_struct_timezone = yes; then - AC_DEFINE(HAVE_STRUCT_TIMEZONE) -fi -]) - -AC_DEFUN(BASH_STRUCT_WINSIZE, -[AC_MSG_CHECKING(for struct winsize in sys/ioctl.h and termios.h) -AC_CACHE_VAL(bash_cv_struct_winsize_header, -[AC_TRY_COMPILE([#include -#include ], [struct winsize x;], - bash_cv_struct_winsize_header=ioctl_h, - [AC_TRY_COMPILE([#include -#include ], [struct winsize x;], - bash_cv_struct_winsize_header=termios_h, bash_cv_struct_winsize_header=other) -])]) -if test $bash_cv_struct_winsize_header = ioctl_h; then - AC_MSG_RESULT(sys/ioctl.h) - AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL) -elif test $bash_cv_struct_winsize_header = termios_h; then - AC_MSG_RESULT(termios.h) - AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS) -else - AC_MSG_RESULT(not found) -fi -]) - -dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7) -AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE, -[AC_REQUIRE([AC_TYPE_SIGNAL]) -AC_MSG_CHECKING(for type of signal functions) -AC_CACHE_VAL(bash_cv_signal_vintage, -[ - AC_TRY_LINK([#include ],[ - sigset_t ss; - struct sigaction sa; - sigemptyset(&ss); sigsuspend(&ss); - sigaction(SIGINT, &sa, (struct sigaction *) 0); - sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0); - ], bash_cv_signal_vintage=posix, - [ - AC_TRY_LINK([#include ], [ - int mask = sigmask(SIGINT); - sigsetmask(mask); sigblock(mask); sigpause(mask); - ], bash_cv_signal_vintage=4.2bsd, - [ - AC_TRY_LINK([ - #include - RETSIGTYPE foo() { }], [ - int mask = sigmask(SIGINT); - sigset(SIGINT, foo); sigrelse(SIGINT); - sighold(SIGINT); sigpause(SIGINT); - ], bash_cv_signal_vintage=svr3, bash_cv_signal_vintage=v7 - )] - )] -) -]) -AC_MSG_RESULT($bash_cv_signal_vintage) -if test "$bash_cv_signal_vintage" = posix; then -AC_DEFINE(HAVE_POSIX_SIGNALS) -elif test "$bash_cv_signal_vintage" = "4.2bsd"; then -AC_DEFINE(HAVE_BSD_SIGNALS) -elif test "$bash_cv_signal_vintage" = svr3; then -AC_DEFINE(HAVE_USG_SIGHOLD) -fi -]) - -dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process. -AC_DEFUN(BASH_SYS_PGRP_SYNC, -[AC_REQUIRE([AC_FUNC_GETPGRP]) -AC_MSG_CHECKING(whether pgrps need synchronization) -AC_CACHE_VAL(bash_cv_pgrp_pipe, -[AC_TRY_RUN([ -#ifdef HAVE_UNISTD_H -# include -#endif -main() -{ -# ifdef GETPGRP_VOID -# define getpgID() getpgrp() -# else -# define getpgID() getpgrp(0) -# define setpgid(x,y) setpgrp(x,y) -# endif - int pid1, pid2, fds[2]; - int status; - char ok; - - switch (pid1 = fork()) { - case -1: - exit(1); - case 0: - setpgid(0, getpid()); - exit(0); - } - setpgid(pid1, pid1); - - sleep(2); /* let first child die */ - - if (pipe(fds) < 0) - exit(2); - - switch (pid2 = fork()) { - case -1: - exit(3); - case 0: - setpgid(0, pid1); - ok = getpgID() == pid1; - write(fds[1], &ok, 1); - exit(0); - } - setpgid(pid2, pid1); - - close(fds[1]); - if (read(fds[0], &ok, 1) != 1) - exit(4); - wait(&status); - wait(&status); - exit(ok ? 0 : 5); -} -], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes, - [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no) - bash_cv_pgrp_pipe=no]) -]) -AC_MSG_RESULT($bash_cv_pgrp_pipe) -if test $bash_cv_pgrp_pipe = yes; then -AC_DEFINE(PGRP_PIPE) -fi -]) - -AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS, -[AC_REQUIRE([AC_TYPE_SIGNAL]) -AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) -AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked]) -AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers, -[AC_TRY_RUN([ -#include -#ifdef HAVE_UNISTD_H -#include -#endif - -typedef RETSIGTYPE sigfunc(); - -volatile int nsigint; - -#ifdef HAVE_POSIX_SIGNALS -sigfunc * -set_signal_handler(sig, handler) - int sig; - sigfunc *handler; -{ - struct sigaction act, oact; - act.sa_handler = handler; - act.sa_flags = 0; - sigemptyset (&act.sa_mask); - sigemptyset (&oact.sa_mask); - sigaction (sig, &act, &oact); - return (oact.sa_handler); -} -#else -#define set_signal_handler(s, h) signal(s, h) -#endif - -RETSIGTYPE -sigint(s) -int s; -{ - nsigint++; -} - -main() -{ - nsigint = 0; - set_signal_handler(SIGINT, sigint); - kill((int)getpid(), SIGINT); - kill((int)getpid(), SIGINT); - exit(nsigint != 2); -} -], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes, - [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no) - bash_cv_must_reinstall_sighandlers=no] -)]) -AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers) -if test $bash_cv_must_reinstall_sighandlers = yes; then -AC_DEFINE(MUST_REINSTALL_SIGHANDLERS) -fi -]) - -dnl check that some necessary job control definitions are present -AC_DEFUN(BASH_SYS_JOB_CONTROL_MISSING, -[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) -AC_MSG_CHECKING(for presence of necessary job control definitions) -AC_CACHE_VAL(bash_cv_job_control_missing, -[AC_TRY_COMPILE([ -#include -#ifdef HAVE_SYS_WAIT_H -#include -#endif -#ifdef HAVE_UNISTD_H -#include -#endif -#include - -/* add more tests in here as appropriate */ - -/* signal type */ -#if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS) -#error -#endif - -/* signals and tty control. */ -#if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT) -#error -#endif - -/* process control */ -#if !defined (WNOHANG) || !defined (WUNTRACED) -#error -#endif - -/* Posix systems have tcgetpgrp and waitpid. */ -#if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP) -#error -#endif - -#if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID) -#error -#endif - -/* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */ -#if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3) -#error -#endif - -], , bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing -)]) -AC_MSG_RESULT($bash_cv_job_control_missing) -if test $bash_cv_job_control_missing = missing; then -AC_DEFINE(JOB_CONTROL_MISSING) -fi -]) - -dnl check whether named pipes are present -dnl this requires a previous check for mkfifo, but that is awkward to specify -AC_DEFUN(BASH_SYS_NAMED_PIPES, -[AC_MSG_CHECKING(for presence of named pipes) -AC_CACHE_VAL(bash_cv_sys_named_pipes, -[AC_TRY_RUN([ -#include -#include -#ifdef HAVE_UNISTD_H -#include -#endif - -/* Add more tests in here as appropriate. */ -main() -{ -int fd, err; - -#if defined (HAVE_MKFIFO) -exit (0); -#endif - -#if !defined (S_IFIFO) && (defined (_POSIX_VERSION) && !defined (S_ISFIFO)) -exit (1); -#endif - -#if defined (NeXT) -exit (1); -#endif -err = mkdir("bash-aclocal", 0700); -if (err < 0) { - perror ("mkdir"); - exit(1); -} -fd = mknod ("bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0); -if (fd == -1) { - rmdir ("bash-aclocal"); - exit (1); -} -close(fd); -unlink ("bash-aclocal/sh-np-autoconf"); -rmdir ("bash-aclocal"); -exit(0); -}], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing, - [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing) - bash_cv_sys_named_pipes=missing] -)]) -AC_MSG_RESULT($bash_cv_sys_named_pipes) -if test $bash_cv_sys_named_pipes = missing; then -AC_DEFINE(NAMED_PIPES_MISSING) -fi -]) - -AC_DEFUN(BASH_SYS_DEFAULT_MAIL_DIR, -[AC_MSG_CHECKING(for default mail directory) -AC_CACHE_VAL(bash_cv_mail_dir, -[if test -d /var/mail; then - bash_cv_mail_dir=/var/mail - elif test -d /var/spool/mail; then - bash_cv_mail_dir=/var/spool/mail - elif test -d /usr/mail; then - bash_cv_mail_dir=/usr/mail - elif test -d /usr/spool/mail; then - bash_cv_mail_dir=/usr/spool/mail - else - bash_cv_mail_dir=unknown - fi -]) -AC_MSG_RESULT($bash_cv_mail_dir) -AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir") -]) - -AC_DEFUN(BASH_HAVE_TIOCGWINSZ, -[AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h) -AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl, -[AC_TRY_COMPILE([#include -#include ], [int x = TIOCGWINSZ;], - bash_cv_tiocgwinsz_in_ioctl=yes,bash_cv_tiocgwinsz_in_ioctl=no)]) -AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl) -if test $bash_cv_tiocgwinsz_in_ioctl = yes; then -AC_DEFINE(GWINSZ_IN_SYS_IOCTL) -fi -]) - -AC_DEFUN(BASH_HAVE_TIOCSTAT, -[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h) -AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl, -[AC_TRY_COMPILE([#include -#include ], [int x = TIOCSTAT;], - bash_cv_tiocstat_in_ioctl=yes,bash_cv_tiocstat_in_ioctl=no)]) -AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl) -if test $bash_cv_tiocstat_in_ioctl = yes; then -AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL) -fi -]) - -AC_DEFUN(BASH_HAVE_FIONREAD, -[AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h) -AC_CACHE_VAL(bash_cv_fionread_in_ioctl, -[AC_TRY_COMPILE([#include -#include ], [int x = FIONREAD;], - bash_cv_fionread_in_ioctl=yes,bash_cv_fionread_in_ioctl=no)]) -AC_MSG_RESULT($bash_cv_fionread_in_ioctl) -if test $bash_cv_fionread_in_ioctl = yes; then -AC_DEFINE(FIONREAD_IN_SYS_IOCTL) -fi -]) - -dnl -dnl See if speed_t is declared in . Some versions of linux -dnl require a definition of speed_t each time is included, -dnl but you can only get speed_t if you include (on some -dnl versions) or (on others). -dnl -AC_DEFUN(BASH_CHECK_SPEED_T, -[AC_MSG_CHECKING(for speed_t in sys/types.h) -AC_CACHE_VAL(bash_cv_speed_t_in_sys_types, -[AC_TRY_COMPILE([#include ], [speed_t x;], - bash_cv_speed_t_in_sys_types=yes,bash_cv_speed_t_in_sys_types=no)]) -AC_MSG_RESULT($bash_cv_speed_t_in_sys_types) -if test $bash_cv_speed_t_in_sys_types = yes; then -AC_DEFINE(SPEED_T_IN_SYS_TYPES) -fi -]) - -AC_DEFUN(BASH_CHECK_GETPW_FUNCS, -[AC_MSG_CHECKING(whether getpw functions are declared in pwd.h) -AC_CACHE_VAL(bash_cv_getpw_declared, -[AC_EGREP_CPP(getpwuid, -[ -#include -#ifdef HAVE_UNISTD_H -# include -#endif -#include -], -bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)]) -AC_MSG_RESULT($bash_cv_getpw_declared) -if test $bash_cv_getpw_declared = yes; then -AC_DEFINE(HAVE_GETPW_DECLS) -fi -]) - -AC_DEFUN(BASH_CHECK_DEV_FD, -[AC_MSG_CHECKING(whether /dev/fd is available) -AC_CACHE_VAL(bash_cv_dev_fd, -[bash_cv_dev_fd="" -if test -d /dev/fd && (exec test -r /dev/fd/0 < /dev/null) ; then -# check for systems like FreeBSD 5 that only provide /dev/fd/[012] - if (exec test -r /dev/fd/3 3