Re: [PATCH] sim: common: delete configure & Makefile

Andrew Burgess
2021-01-18T10:02:24Z

* Mike Frysinger via Gdb-patches <gdb-patches@sourceware.org> [2021-01-17 05:36:31 -0500]:

> This was mostly orphaned a while back, but left behind so people could
> still run `make headers`. Merge that one target to the top sim dir and
> delete all the build logic. This should avoid confusing people further.
>
> sim/:
> * Makefile.in (abs_srcdir, srcroot, CPP): Define.
> (nltvals): New target.
> * README-HACKING: Change headers to nltvals.
>
> sim/common/:
> * configure, configure.ac, Makefile.in: Delete.

LGTM.

Andrew

> ---
> sim/Makefile.in | 16 +
> sim/README-HACKING | 6 +-
> sim/common/Makefile.in | 135 --
> sim/common/configure | 3718 ---------------------------------------
> sim/common/configure.ac | 34 -
> sim/configure | 179 +-
> sim/configure.ac | 1 +
> 7 files changed, 198 insertions(+), 3891 deletions(-)
> delete mode 100644 sim/common/Makefile.in
> delete mode 100755 sim/common/configure
> delete mode 100644 sim/common/configure.ac
>
> diff --git a/sim/Makefile.in b/sim/Makefile.in
> index ca41cb6f65e5..6c15b8b3a780 100644
> --- a/sim/Makefile.in
> +++ b/sim/Makefile.in
> @@ -19,6 +19,8 @@
>
> VPATH = @srcdir@
> srcdir = @srcdir@
> +abs_srcdir = @abs_srcdir@
> +srcroot = $(abs_srcdir)/..
>
> prefix = @prefix@
> exec_prefix = @exec_prefix@
> @@ -54,6 +56,7 @@ INSTALL_DATA = @INSTALL_DATA@
> AR = @AR@
> AR_FLAGS = rc
> CC = @CC@
> +CPP = @CPP@
> CFLAGS = @CFLAGS@
> CC_FOR_BUILD = @CC_FOR_BUILD@
> CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@
> @@ -221,6 +224,19 @@ Makefile: Makefile.in config.status
> config.status: configure
> $(SHELL) ./config.status --recheck
>
> +# Generate nltvals.def for newlib/libgloss using devo and build tree.
> +# This file is shipped with distributions so we build in the source dir.
> +# Use `make nltvals' to rebuild.
> +# Note: If gdb releases begin to contain target header files (not a good idea,
> +# but if they did ...), nltvals.def coud be generated at build time.
> +# An alternative is to slurp in the tables at runtime.
> +.PHONY: nltvals
> +nltvals:
> + set -e ; \
> + rm -f $(abs_srcdir)/common/nltvals.new ; \
> + $(SHELL) $(abs_srcdir)/common/gennltvals.sh --cpp "$(CPP)" --output $(abs_srcdir)/common/nltvals.new --srcroot $(srcroot) ; \
> + $(SHELL) $(srcroot)/move-if-change $(abs_srcdir)/common/nltvals.new $(abs_srcdir)/common/nltvals.def
> +
> # Utility to run autoconf in each directory that uses the common framework.
> # This is intended to be invoked in $srcdir as
> # "make -f Makefile.in autoconf-common SHELL=/bin/sh".
> diff --git a/sim/README-HACKING b/sim/README-HACKING
> index 7f0f93e0ab49..583a559d2b0c 100644
> --- a/sim/README-HACKING
> +++ b/sim/README-HACKING
> @@ -191,10 +191,10 @@ convenience):
> $ cd /tmp/$$/build
> $ /tmp/$$/devo/configure --target=d10v-elf
>
> -In the sim/common directory rebuild the headers:
> +In the sim/ directory rebuild the headers:
>
> - $ cd sim/common
> - $ make headers
> + $ cd sim/
> + $ make nltvals
>
> To add a new target:
>
> diff --git a/sim/common/Makefile.in b/sim/common/Makefile.in
> deleted file mode 100644
> index 33cd788737cb..000000000000
> --- a/sim/common/Makefile.in
> +++ /dev/null
> @@ -1,135 +0,0 @@
> -# Makefile template for Configure for simulator common directory
> -# Copyright (C) 1996-2021 Free Software Foundation, Inc.
> -#
> -# 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 <http://www.gnu.org/licenses/>.
> -
> -default: all
> -
> -VPATH = @srcdir@
> -srcdir = @srcdir@
> -abs_srcdir = @abs_srcdir@
> -srcroot = $(abs_srcdir)/../..
> -
> -prefix = @prefix@
> -exec_prefix = @exec_prefix@
> -
> -host_alias = @host_alias@
> -target_alias = @target_alias@
> -program_transform_name = @program_transform_name@
> -bindir = @bindir@
> -
> -libdir = @libdir@
> -tooldir = $(libdir)/$(target_alias)
> -
> -datarootdir = @datarootdir@
> -datadir = @datadir@
> -mandir = @mandir@
> -man1dir = $(mandir)/man1
> -infodir = @infodir@
> -includedir = @includedir@
> -
> -SHELL = /bin/sh
> -
> -INSTALL = @INSTALL@
> -INSTALL_PROGRAM = @INSTALL_PROGRAM@
> -INSTALL_DATA = @INSTALL_DATA@
> -
> -CC = @CC@
> -CC_FOR_BUILD = @CC_FOR_BUILD@
> -CFLAGS = @CFLAGS@
> -
> -# These are used to rebuild nltvals.def.
> -CPP_FOR_TARGET = @CPP_FOR_TARGET@
> -TARGET_SUBDIR = @TARGET_SUBDIR@
> -
> -HDEFINES = @HDEFINES@
> -TDEFINES =
> -
> -CONFIG_CFLAGS = @DEFS@ $(HDEFINES) $(TDEFINES)
> -CSEARCH = -I. -I$(srcdir) -I$(srcroot)/include
> -ALL_CFLAGS = $(CFLAGS) $(CONFIG_CFLAGS) $(CSEARCH)
> -BUILD_CFLAGS = -g -O $(CSEARCH)
> -
> -AR = @AR@
> -AR_FLAGS = rc
> -RANLIB = @RANLIB@
> -MAKEINFO = makeinfo
> -
> -.NOEXPORT:
> -MAKEOVERRIDES=
> -
> -all:
> -
> -# Generate nltvals.def for newlib/libgloss using devo and build tree.
> -# This file is shipped with distributions so we build in the source dir.
> -# Use `make headers' to rebuild.
> -# Note: If gdb releases begin to contain target header files (not a good idea,
> -# but if they did ...), nltvals.def coud be generated at build time.
> -# An alternative is to slurp in the tables at runtime.
> -.PHONY: headers
> -headers:
> - rootme=`pwd` ; \
> - cd $(srcdir) ; \
> - rm -f nltvals.new ; \
> - $(SHELL) $(abs_srcdir)/gennltvals.sh --cpp "$(CPP_FOR_TARGET)" --srcroot $(srcroot) --output nltvals.new ; \
> - $(SHELL) $(srcroot)/move-if-change nltvals.new nltvals.def
> -
> -.c.o:
> - $(CC) -c $< $(ALL_CFLAGS)
> -
> -check:
> -
> -info:
> -clean-info:
> -install-info:
> -
> -tags etags: TAGS
> -
> -# Macros like EXTERN_SIM_CORE confuse tags.
> -# And the sim-n-foo.h files create functions that can't be found either.
> -TAGS: force
> - cd $(srcdir) && \
> - etags --regex '/^\([a-z_]+\) (/\1/' --regex '/^.*\/[*] TAGS: .*/' \
> - *.c *.h
> -
> -clean:
> - rm -f *.[oa] *~ core
> -
> -distclean mostlyclean maintainer-clean realclean: clean
> - rm -f TAGS
> - rm -f Makefile config.cache config.log config.status
> -
> -# Dummy target to force execution of dependent targets.
> -force:
> -
> -# Copy the files into directories where they will be run.
> -install: install-man
> -install-strip: install-man
> -
> -install-man: installdirs
> - n=`echo run | sed '$(program_transform_name)'`; \
> - $(INSTALL_DATA) $(srcdir)/run.1 $(DESTDIR)$(man1dir)/$$n.1
> -
> -installdirs:
> - $(SHELL) $(srcdir)/../../mkinstalldirs $(DESTDIR)$(man1dir)
> -
> -Makefile: Makefile.in config.status
> - $(SHELL) ./config.status
> -
> -config.status: configure
> - $(SHELL) ./config.status --recheck
> -
> -config.h: stamp-h ; @true
> -stamp-h: config.in config.status
> - CONFIG_FILES= CONFIG_HEADERS=config.h:config.in $(SHELL) ./config.status
> diff --git a/sim/common/configure b/sim/common/configure
> deleted file mode 100755
> index 8be2e6535f0c..000000000000
> --- a/sim/common/configure
> +++ /dev/null
> @@ -1,3718 +0,0 @@
> -#! /bin/sh
> -# Guess values for system-dependent variables and create Makefiles.
> -# Generated by GNU Autoconf 2.69.
> -#
> -#
> -# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
> -#
> -#
> -# This configure script is free software; the Free Software Foundation
> -# gives unlimited permission to copy, distribute and modify it.
> -## -------------------- ##
> -## M4sh Initialization. ##
> -## -------------------- ##
> -
> -# Be more Bourne compatible
> -DUALCASE=1; export DUALCASE # for MKS sh
> -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
> - emulate sh
> - NULLCMD=:
> - # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
> - # is contrary to our usage. Disable this feature.
> - alias -g '${1+"$@"}'='"$@"'
> - setopt NO_GLOB_SUBST
> -else
> - case `(set -o) 2>/dev/null` in #(
> - *posix*) :
> - set -o posix ;; #(
> - *) :
> - ;;
> -esac
> -fi
> -
> -
> -as_nl='
> -'
> -export as_nl
> -# Printing a long string crashes Solaris 7 /usr/bin/printf.
> -as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
> -as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
> -as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
> -# Prefer a ksh shell builtin over an external printf program on Solaris,
> -# but without wasting forks for bash or zsh.
> -if test -z "$BASH_VERSION$ZSH_VERSION" \
> - && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
> - as_echo='print -r --'
> - as_echo_n='print -rn --'
> -elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
> - as_echo='printf %s\n'
> - as_echo_n='printf %s'
> -else
> - if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
> - as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
> - as_echo_n='/usr/ucb/echo -n'
> - else
> - as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
> - as_echo_n_body='eval
> - arg=$1;
> - case $arg in #(
> - *"$as_nl"*)
> - expr "X$arg" : "X\\(.*\\)$as_nl";
> - arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
> - esac;
> - expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
> - '
> - export as_echo_n_body
> - as_echo_n='sh -c $as_echo_n_body as_echo'
> - fi
> - export as_echo_body
> - as_echo='sh -c $as_echo_body as_echo'
> -fi
> -
> -# The user is always right.
> -if test "${PATH_SEPARATOR+set}" != set; then
> - PATH_SEPARATOR=:
> - (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
> - (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
> - PATH_SEPARATOR=';'
> - }
> -fi
> -
> -
> -# IFS
> -# We need space, tab and new line, in precisely that order. Quoting is
> -# there to prevent editors from complaining about space-tab.
> -# (If _AS_PATH_WALK were called with IFS unset, it would disable word
> -# splitting by setting IFS to empty value.)
> -IFS=" "" $as_nl"
> -
> -# Find who we are. Look in the path if we contain no directory separator.
> -as_myself=
> -case $0 in #((
> - *[\\/]* ) as_myself=$0 ;;
> - *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> -for as_dir in $PATH
> -do
> - IFS=$as_save_IFS
> - test -z "$as_dir" && as_dir=.
> - test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
> - done
> -IFS=$as_save_IFS
> -
> - ;;
> -esac
> -# We did not find ourselves, most probably we were run as `sh COMMAND'
> -# in which case we are not to be found in the path.
> -if test "x$as_myself" = x; then
> - as_myself=$0
> -fi
> -if test ! -f "$as_myself"; then
> - $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
> - exit 1
> -fi
> -
> -# Unset variables that we do not need and which cause bugs (e.g. in
> -# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1"
> -# suppresses any "Segmentation fault" message there. '((' could
> -# trigger a bug in pdksh 5.2.14.
> -for as_var in BASH_ENV ENV MAIL MAILPATH
> -do eval test x\${$as_var+set} = xset \
> - && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
> -done
> -PS1='$ '
> -PS2='> '
> -PS4='+ '
> -
> -# NLS nuisances.
> -LC_ALL=C
> -export LC_ALL
> -LANGUAGE=C
> -export LANGUAGE
> -
> -# CDPATH.
> -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
> -
> -# Use a proper internal environment variable to ensure we don't fall
> - # into an infinite loop, continuously re-executing ourselves.
> - if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
> - _as_can_reexec=no; export _as_can_reexec;
> - # We cannot yet assume a decent shell, so we have to provide a
> -# neutralization value for shells without unset; and this also
> -# works around shells that cannot unset nonexistent variables.
> -# Preserve -v and -x to the replacement shell.
> -BASH_ENV=/dev/null
> -ENV=/dev/null
> -(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
> -case $- in # ((((
> - *v*x* | *x*v* ) as_opts=-vx ;;
> - *v* ) as_opts=-v ;;
> - *x* ) as_opts=-x ;;
> - * ) as_opts= ;;
> -esac
> -exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
> -# Admittedly, this is quite paranoid, since all the known shells bail
> -# out after a failed `exec'.
> -$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
> -as_fn_exit 255
> - fi
> - # We don't want this to propagate to other subprocesses.
> - { _as_can_reexec=; unset _as_can_reexec;}
> -if test "x$CONFIG_SHELL" = x; then
> - as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
> - emulate sh
> - NULLCMD=:
> - # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
> - # is contrary to our usage. Disable this feature.
> - alias -g '\${1+\"\$@\"}'='\"\$@\"'
> - setopt NO_GLOB_SUBST
> -else
> - case \`(set -o) 2>/dev/null\` in #(
> - *posix*) :
> - set -o posix ;; #(
> - *) :
> - ;;
> -esac
> -fi
> -"
> - as_required="as_fn_return () { (exit \$1); }
> -as_fn_success () { as_fn_return 0; }
> -as_fn_failure () { as_fn_return 1; }
> -as_fn_ret_success () { return 0; }
> -as_fn_ret_failure () { return 1; }
> -
> -exitcode=0
> -as_fn_success || { exitcode=1; echo as_fn_success failed.; }
> -as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
> -as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
> -as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
> -if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
> -
> -else
> - exitcode=1; echo positional parameters were not saved.
> -fi
> -test x\$exitcode = x0 || exit 1
> -test -x / || exit 1"
> - as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
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> - if (eval "$as_required") 2>/dev/null; then :
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> -else
> - as_have_required=no
> -fi
> - if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
> -
> -else
> - as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> -as_found=false
> -for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
> -do
> - IFS=$as_save_IFS
> - test -z "$as_dir" && as_dir=.
> - as_found=:
> - case $as_dir in #(
> - /*)
> - for as_base in sh bash ksh sh5; do
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> - as_shell=$as_dir/$as_base
> - if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
> - { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
> - CONFIG_SHELL=$as_shell as_have_required=yes
> - if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
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> -$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
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> - CONFIG_SHELL=$SHELL as_have_required=yes
> -fi; }
> -IFS=$as_save_IFS
> -
> -
> - if test "x$CONFIG_SHELL" != x; then :
> - export CONFIG_SHELL
> - # We cannot yet assume a decent shell, so we have to provide a
> -# neutralization value for shells without unset; and this also
> -# works around shells that cannot unset nonexistent variables.
> -# Preserve -v and -x to the replacement shell.
> -BASH_ENV=/dev/null
> -ENV=/dev/null
> -(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
> -case $- in # ((((
> - *v*x* | *x*v* ) as_opts=-vx ;;
> - *v* ) as_opts=-v ;;
> - *x* ) as_opts=-x ;;
> - * ) as_opts= ;;
> -esac
> -exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
> -# Admittedly, this is quite paranoid, since all the known shells bail
> -# out after a failed `exec'.
> -$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
> -exit 255
> -fi
> -
> - if test x$as_have_required = xno; then :
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> - $as_echo "$0: the shells that I found on your system."
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> -SHELL=${CONFIG_SHELL-/bin/sh}
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> -unset CLICOLOR_FORCE GREP_OPTIONS
> -
> -## --------------------- ##
> -## M4sh Shell Functions. ##
> -## --------------------- ##
> -# as_fn_unset VAR
> -# ---------------
> -# Portably unset VAR.
> -as_fn_unset ()
> -{
> - { eval $1=; unset $1;}
> -}
> -as_unset=as_fn_unset
> -
> -# as_fn_set_status STATUS
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> -as_fn_set_status ()
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> -for ac_var in $ac_precious_vars; do
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> - eval ac_old_val=\$ac_cv_env_${ac_var}_value
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> -
> -
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> - fi
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> -
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> -yes:)
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> -ac_tool_warned=yes ;;
> -esac
> - CC=$ac_ct_CC
> - fi
> -else
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> -fi
> -
> -if test -z "$CC"; then
> - if test -n "$ac_tool_prefix"; then
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> -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
> -$as_echo_n "checking for $ac_word... " >&6; }
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> - $as_echo_n "(cached) " >&6
> -else
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> - fi
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> -
> -fi
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> -
> -
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> -$as_echo_n "checking for $ac_word... " >&6; }
> -if ${ac_cv_prog_CC+:} false; then :
> - $as_echo_n "(cached) " >&6
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> -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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> - shift
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> - fi
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> -
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> -if ${ac_cv_prog_CC+:} false; then :
> - $as_echo_n "(cached) " >&6
> -else
> - if test -n "$CC"; then
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> -else
> -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> -for as_dir in $PATH
> -do
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> - ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
> - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
> - break 2
> - fi
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> -
> -fi
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> -if test -n "$CC"; then
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> -$as_echo "no" >&6; }
> -fi
> -
> -
> - test -n "$CC" && break
> - done
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> -if test -z "$CC"; then
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> - for ac_prog in cl.exe
> -do
> - # Extract the first word of "$ac_prog", so it can be a program name with args.
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> -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
> -$as_echo_n "checking for $ac_word... " >&6; }
> -if ${ac_cv_prog_ac_ct_CC+:} false; then :
> - $as_echo_n "(cached) " >&6
> -else
> - if test -n "$ac_ct_CC"; then
> - ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
> -else
> -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> -for as_dir in $PATH
> -do
> - IFS=$as_save_IFS
> - test -z "$as_dir" && as_dir=.
> - for ac_exec_ext in '' $ac_executable_extensions; do
> - if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
> - ac_cv_prog_ac_ct_CC="$ac_prog"
> - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
> - break 2
> - fi
> -done
> - done
> -IFS=$as_save_IFS
> -
> -fi
> -fi
> -ac_ct_CC=$ac_cv_prog_ac_ct_CC
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> -$as_echo "$ac_ct_CC" >&6; }
> -else
> - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
> -$as_echo "no" >&6; }
> -fi
> -
> -
> - test -n "$ac_ct_CC" && break
> -done
> -
> - if test "x$ac_ct_CC" = x; then
> - CC=""
> - else
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> - ac_option=`expr "X$1" : 'X\([^=]*\)='`
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> - esac
> -
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> - $as_echo "$ac_cs_version"; exit ;;
> - --config | --confi | --conf | --con | --co | --c )
> - $as_echo "$ac_cs_config"; exit ;;
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> - --he | --h | --help | --hel | -h )
> - $as_echo "$ac_cs_usage"; exit ;;
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> -
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> -
> - esac
> - shift
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> -
> -ac_configure_extra_args=
> -
> -if $ac_cs_silent; then
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> - ac_configure_extra_args="$ac_configure_extra_args --silent"
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> -
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> -cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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> - set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
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> - exec "\$@"
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> -_ACEOF
> -cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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> -_ASBOX
> - $as_echo "$ac_log"
> -} >&5
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> -_ACEOF
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> - *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
> - esac
> -done
> -
> -
> -# If the user did not use the arguments to specify the items to instantiate,
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> -# We use the long form for the default assignment because of an extremely
> -# bizarre bug on SunOS 4.1.3.
> -if $ac_need_defaults; then
> - test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
> -fi
> -
> -# Have a temporary directory for convenience. Make it in the build tree
> -# simply because there is no reason against having it here, and in addition,
> -# creating and moving files from /tmp can sometimes cause problems.
> -# Hook for its removal unless debugging.
> -# Note that there is a small window in which the directory will not be cleaned:
> -# after its creation but before its name has been assigned to `$tmp'.
> -$debug ||
> -{
> - tmp= ac_tmp=
> - trap 'exit_status=$?
> - : "${ac_tmp:=$tmp}"
> - { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
> -' 0
> - trap 'as_fn_exit 1' 1 2 13 15
> -}
> -# Create a (secure) tmp directory for tmp files.
> -
> -{
> - tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
> - test -d "$tmp"
> -} ||
> -{
> - tmp=./conf$$-$RANDOM
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> -} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
> -ac_tmp=$tmp
> -
> -# Set up the scripts for CONFIG_FILES section.
> -# No need to generate them if there are no CONFIG_FILES.
> -# This happens for instance with `./config.status config.h'.
> -if test -n "$CONFIG_FILES"; then
> -
> -
> -ac_cr=`echo X | tr X '\015'`
> -# On cygwin, bash can eat \r inside `` if the user requested igncr.
> -# But we know of no other shell where ac_cr would be empty at this
> -# point, so we can use a bashism as a fallback.
> -if test "x$ac_cr" = x; then
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> -fi
> -ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
> -if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
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> -else
> - ac_cs_awk_cr=$ac_cr
> -fi
> -
> -echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
> -_ACEOF
> -
> -
> -{
> - echo "cat >conf$$subs.awk <<_ACEOF" &&
> - echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
> - echo "_ACEOF"
> -} >conf$$subs.sh ||
> - as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
> -ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
> -ac_delim='%!_!# '
> -for ac_last_try in false false false false false :; do
> - . ./conf$$subs.sh ||
> - as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
> -
> - ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
> - if test $ac_delim_n = $ac_delim_num; then
> - break
> - elif $ac_last_try; then
> - as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
> - else
> - ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
> - fi
> -done
> -rm -f conf$$subs.sh
> -
> -cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> -cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
> -_ACEOF
> -sed -n '
> -h
> -s/^/S["/; s/!.*/"]=/
> -p
> -g
> -s/^[^!]*!//
> -:repl
> -t repl
> -s/'"$ac_delim"'$//
> -t delim
> -:nl
> -h
> -s/\(.\{148\}\)..*/\1/
> -t more1
> -s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
> -p
> -n
> -b repl
> -:more1
> -s/["\\]/\\&/g; s/^/"/; s/$/"\\/
> -p
> -g
> -s/.\{148\}//
> -t nl
> -:delim
> -h
> -s/\(.\{148\}\)..*/\1/
> -t more2
> -s/["\\]/\\&/g; s/^/"/; s/$/"/
> -p
> -b
> -:more2
> -s/["\\]/\\&/g; s/^/"/; s/$/"\\/
> -p
> -g
> -s/.\{148\}//
> -t delim
> -' <conf$$subs.awk | sed '
> -/^[^""]/{
> - N
> - s/\n//
> -}
> -' >>$CONFIG_STATUS || ac_write_fail=1
> -rm -f conf$$subs.awk
> -cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> -_ACAWK
> -cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
> - for (key in S) S_is_set[key] = 1
> - FS = "\a"
> -
> -}
> -{
> - line = $ 0
> - nfields = split(line, field, "@")
> - substed = 0
> - len = length(field[1])
> - for (i = 2; i < nfields; i++) {
> - key = field[i]
> - keylen = length(key)
> - if (S_is_set[key]) {
> - value = S[key]
> - line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
> - len += length(value) + length(field[++i])
> - substed = 1
> - } else
> - len += 1 + keylen
> - }
> -
> - print line
> -}
> -
> -_ACAWK
> -_ACEOF
> -cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> -if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
> - sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
> -else
> - cat
> -fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
> - || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
> -_ACEOF
> -
> -# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
> -# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
> -# trailing colons and then remove the whole line if VPATH becomes empty
> -# (actually we leave an empty line to preserve line numbers).
> -if test "x$srcdir" = x.; then
> - ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{
> -h
> -s///
> -s/^/:/
> -s/[ ]*$/:/
> -s/:\$(srcdir):/:/g
> -s/:\${srcdir}:/:/g
> -s/:@srcdir@:/:/g
> -s/^:*//
> -s/:*$//
> -x
> -s/\(=[ ]*\).*/\1/
> -G
> -s/\n//
> -s/^[^=]*=[ ]*$//
> -}'
> -fi
> -
> -cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> -fi # test -n "$CONFIG_FILES"
> -
> -
> -eval set X " :F $CONFIG_FILES "
> -shift
> -for ac_tag
> -do
> - case $ac_tag in
> - :[FHLC]) ac_mode=$ac_tag; continue;;
> - esac
> - case $ac_mode$ac_tag in
> - :[FHL]*:*);;
> - :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
> - :[FH]-) ac_tag=-:-;;
> - :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
> - esac
> - ac_save_IFS=$IFS
> - IFS=:
> - set x $ac_tag
> - IFS=$ac_save_IFS
> - shift
> - ac_file=$1
> - shift
> -
> - case $ac_mode in
> - :L) ac_source=$1;;
> - :[FH])
> - ac_file_inputs=
> - for ac_f
> - do
> - case $ac_f in
> - -) ac_f="$ac_tmp/stdin";;
> - *) # Look for the file first in the build tree, then in the source tree
> - # (if the path is not absolute). The absolute path cannot be DOS-style,
> - # because $ac_f cannot contain `:'.
> - test -f "$ac_f" ||
> - case $ac_f in
> - [\\/$]*) false;;
> - *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
> - esac ||
> - as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
> - esac
> - case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
> - as_fn_append ac_file_inputs " '$ac_f'"
> - done
> -
> - # Let's still pretend it is `configure' which instantiates (i.e., don't
> - # use $as_me), people would be surprised to read:
> - # /* config.h. Generated by config.status. */
> - configure_input='Generated from '`
> - $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
> - `' by configure.'
> - if test x"$ac_file" != x-; then
> - configure_input="$ac_file. $configure_input"
> - { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
> -$as_echo "$as_me: creating $ac_file" >&6;}
> - fi
> - # Neutralize special characters interpreted by sed in replacement strings.
> - case $configure_input in #(
> - *\&* | *\|* | *\\* )
> - ac_sed_conf_input=`$as_echo "$configure_input" |
> - sed 's/[\\\\&|]/\\\\&/g'`;; #(
> - *) ac_sed_conf_input=$configure_input;;
> - esac
> -
> - case $ac_tag in
> - *:-:* | *:-) cat >"$ac_tmp/stdin" \
> - || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
> - esac
> - ;;
> - esac
> -
> - ac_dir=`$as_dirname -- "$ac_file" ||
> -$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
> - X"$ac_file" : 'X\(//\)[^/]' \| \
> - X"$ac_file" : 'X\(//\)$' \| \
> - X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
> -$as_echo X"$ac_file" |
> - sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
> - s//\1/
> - q
> - }
> - /^X\(\/\/\)[^/].*/{
> - s//\1/
> - q
> - }
> - /^X\(\/\/\)$/{
> - s//\1/
> - q
> - }
> - /^X\(\/\).*/{
> - s//\1/
> - q
> - }
> - s/.*/./; q'`
> - as_dir="$ac_dir"; as_fn_mkdir_p
> - ac_builddir=.
> -
> -case "$ac_dir" in
> -.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
> -*)
> - ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
> - # A ".." for each directory in $ac_dir_suffix.
> - ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
> - case $ac_top_builddir_sub in
> - "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
> - *) ac_top_build_prefix=$ac_top_builddir_sub/ ;;
> - esac ;;
> -esac
> -ac_abs_top_builddir=$ac_pwd
> -ac_abs_builddir=$ac_pwd$ac_dir_suffix
> -# for backward compatibility:
> -ac_top_builddir=$ac_top_build_prefix
> -
> -case $srcdir in
> - .) # We are building in place.
> - ac_srcdir=.
> - ac_top_srcdir=$ac_top_builddir_sub
> - ac_abs_top_srcdir=$ac_pwd ;;
> - [\\/]* | ?:[\\/]* ) # Absolute name.
> - ac_srcdir=$srcdir$ac_dir_suffix;
> - ac_top_srcdir=$srcdir
> - ac_abs_top_srcdir=$srcdir ;;
> - *) # Relative name.
> - ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
> - ac_top_srcdir=$ac_top_build_prefix$srcdir
> - ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
> -esac
> -ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
> -
> -
> - case $ac_mode in
> - :F)
> - #
> - # CONFIG_FILE
> - #
> -
> -_ACEOF
> -
> -cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> -# If the template does not know about datarootdir, expand it.
> -# FIXME: This hack should be removed a few years after 2.60.
> -ac_datarootdir_hack=; ac_datarootdir_seen=
> -ac_sed_dataroot='
> -/datarootdir/ {
> - p
> - q
> -}
> -/@datadir@/p
> -/@docdir@/p
> -/@infodir@/p
> -/@localedir@/p
> -/@mandir@/p'
> -case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
> -*datarootdir*) ac_datarootdir_seen=yes;;
> -*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
> - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
> -$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
> -_ACEOF
> -cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> - ac_datarootdir_hack='
> - s&@datadir@&$datadir&g
> - s&@docdir@&$docdir&g
> - s&@infodir@&$infodir&g
> - s&@localedir@&$localedir&g
> - s&@mandir@&$mandir&g
> - s&\\\${datarootdir}&$datarootdir&g' ;;
> -esac
> -_ACEOF
> -
> -# Neutralize VPATH when `$srcdir' = `.'.
> -# Shell code in configure.ac might set extrasub.
> -# FIXME: do we really want to maintain this feature?
> -cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> -ac_sed_extra="$ac_vpsub
> -$extrasub
> -_ACEOF
> -cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> -:t
> -/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
> -s|@configure_input@|$ac_sed_conf_input|;t t
> -s&@top_builddir@&$ac_top_builddir_sub&;t t
> -s&@top_build_prefix@&$ac_top_build_prefix&;t t
> -s&@srcdir@&$ac_srcdir&;t t
> -s&@abs_srcdir@&$ac_abs_srcdir&;t t
> -s&@top_srcdir@&$ac_top_srcdir&;t t
> -s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
> -s&@builddir@&$ac_builddir&;t t
> -s&@abs_builddir@&$ac_abs_builddir&;t t
> -s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
> -$ac_datarootdir_hack
> -"
> -eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
> - >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
> -
> -test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
> - { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
> - { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \
> - "$ac_tmp/out"`; test -z "$ac_out"; } &&
> - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
> -which seems to be undefined. Please make sure it is defined" >&5
> -$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
> -which seems to be undefined. Please make sure it is defined" >&2;}
> -
> - rm -f "$ac_tmp/stdin"
> - case $ac_file in
> - -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
> - *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
> - esac \
> - || as_fn_error $? "could not create $ac_file" "$LINENO" 5
> - ;;
> -
> -
> -
> - esac
> -
> -done # for ac_tag
> -
> -
> -as_fn_exit 0
> -_ACEOF
> -ac_clean_files=$ac_clean_files_save
> -
> -test $ac_write_fail = 0 ||
> - as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
> -
> -
> -# configure is writing to config.log, and then calls config.status.
> -# config.status does its own redirection, appending to config.log.
> -# Unfortunately, on DOS this fails, as config.log is still kept open
> -# by configure, so config.status won't be able to write to it; its
> -# output is simply discarded. So we exec the FD to /dev/null,
> -# effectively closing config.log, so it can be properly (re)opened and
> -# appended to by config.status. When coming back to configure, we
> -# need to make the FD available again.
> -if test "$no_create" != yes; then
> - ac_cs_success=:
> - ac_config_status_args=
> - test "$silent" = yes &&
> - ac_config_status_args="$ac_config_status_args --quiet"
> - exec 5>/dev/null
> - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
> - exec 5>>config.log
> - # Use ||, not &&, to avoid exiting from the if with $? = 1, which
> - # would make configure fail if this is the last instruction.
> - $ac_cs_success || as_fn_exit 1
> -fi
> -if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
> - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
> -$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
> -fi
> -
> diff --git a/sim/common/configure.ac b/sim/common/configure.ac
> deleted file mode 100644
> index ec4ee203743b..000000000000
> --- a/sim/common/configure.ac
> +++ /dev/null
> @@ -1,34 +0,0 @@
> -dnl Process this file with autoconf to produce a configure script.
> -AC_INIT(Makefile.in)
> -
> -AC_PROG_CC
> -
> -# Put a useful copy of CPP_FOR_TARGET in Makefile.
> -# This is only used to build the target values header files. These files are
> -# shipped with distributions so CPP_FOR_TARGET only needs to work in
> -# developer's trees. This value is borrowed from ../../Makefile.in.
> -CPP_FOR_TARGET="\` \
> - if test -f \$\${rootme}/../../gcc/Makefile ; then \
> - if test -f \$\${rootme}/../../\$(TARGET_SUBDIR)/newlib/Makefile ; then \
> - echo \$\${rootme}/../../gcc/xgcc -B\$\${rootme}/../../gcc/ -idirafter \$\${rootme}/../../\$(TARGET_SUBDIR)/newlib/targ-include -idirafter \$(srcroot)/newlib/libc/include -nostdinc; \
> - else \
> - echo \$\${rootme}/../../gcc/xgcc -B\$\${rootme}/../../gcc/; \
> - fi; \
> - else \
> - if test '\$(host_canonical)' = '\$(target_canonical)' ; then \
> - echo \$(CC); \
> - else \
> - t='\$(program_transform_name)'; echo gcc | sed -e 's/x/x/' \$\$t; \
> - fi; \
> - fi\` -E"
> -AC_SUBST(CPP_FOR_TARGET)
> -
> -# Set TARGET_SUBDIR, needed by CPP_FOR_TARGET.
> -if test x"${host}" = x"${target}" ; then
> - TARGET_SUBDIR="."
> -else
> - TARGET_SUBDIR=${target_alias}
> -fi
> -AC_SUBST(TARGET_SUBDIR)
> -
> -AC_OUTPUT(Makefile)
> diff --git a/sim/configure b/sim/configure
> index 7093cb1f1cf6..28ed5d7691d5 100755
> --- a/sim/configure
> +++ b/sim/configure
> @@ -590,6 +590,7 @@ subdirs
> CFLAGS_FOR_BUILD
> CC_FOR_BUILD
> HDEFINES
> +CPP
> target_os
> target_vendor
> target_cpu
> @@ -664,7 +665,8 @@ CC
> CFLAGS
> LDFLAGS
> LIBS
> -CPPFLAGS'
> +CPPFLAGS
> +CPP'
> ac_subdirs_all='aarch64
> arm
> avr
> @@ -1322,6 +1324,7 @@ Some influential environment variables:
> LIBS libraries to pass to the linker, e.g. -l<library>
> CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
> you have headers in a nonstandard directory <include dir>
> + CPP C preprocessor
>
> Use these variables to override the choices made by `configure' or to help
> it to find libraries and programs with nonstandard names/locations.
> @@ -1440,6 +1443,43 @@ fi
> as_fn_set_status $ac_retval
>
> } # ac_fn_c_try_compile
> +
> +# ac_fn_c_try_cpp LINENO
> +# ----------------------
> +# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
> +ac_fn_c_try_cpp ()
> +{
> + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
> + if { { ac_try="$ac_cpp conftest.$ac_ext"
> +case "(($ac_try" in
> + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
> + *) ac_try_echo=$ac_try;;
> +esac
> +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
> +$as_echo "$ac_try_echo"; } >&5
> + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
> + ac_status=$?
> + if test -s conftest.err; then
> + grep -v '^ *+' conftest.err >conftest.er1
> + cat conftest.er1 >&5
> + mv -f conftest.er1 conftest.err
> + fi
> + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
> + test $ac_status = 0; } > conftest.i && {
> + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
> + test ! -s conftest.err
> + }; then :
> + ac_retval=0
> +else
> + $as_echo "$as_me: failed program was:" >&5
> +sed 's/^/| /' conftest.$ac_ext >&5
> +
> + ac_retval=1
> +fi
> + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
> + as_fn_set_status $ac_retval
> +
> +} # ac_fn_c_try_cpp
> cat >config.log <<_ACEOF
> This file contains any messages produced by compilers while
> running configure, to aid debugging if configure makes a mistake.
> @@ -3552,6 +3592,143 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
> ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
> ac_compiler_gnu=$ac_cv_c_compiler_gnu
>
> +ac_ext=c
> +ac_cpp='$CPP $CPPFLAGS'
> +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
> +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
> +ac_compiler_gnu=$ac_cv_c_compiler_gnu
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
> +$as_echo_n "checking how to run the C preprocessor... " >&6; }
> +# On Suns, sometimes $CPP names a directory.
> +if test -n "$CPP" && test -d "$CPP"; then
> + CPP=
> +fi
> +if test -z "$CPP"; then
> + if ${ac_cv_prog_CPP+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + # Double quotes because CPP needs to be expanded
> + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
> + do
> + ac_preproc_ok=false
> +for ac_c_preproc_warn_flag in '' yes
> +do
> + # Use a header file that comes with gcc, so configuring glibc
> + # with a fresh cross-compiler works.
> + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
> + # <limits.h> exists even on freestanding compilers.
> + # On the NeXT, cc -E runs the code through the compiler's parser,
> + # not just through cpp. "Syntax error" is here to catch this case.
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h. */
> +#ifdef __STDC__
> +# include <limits.h>
> +#else
> +# include <assert.h>
> +#endif
> + Syntax error
> +_ACEOF
> +if ac_fn_c_try_cpp "$LINENO"; then :
> +
> +else
> + # Broken: fails on valid input.
> +continue
> +fi
> +rm -f conftest.err conftest.i conftest.$ac_ext
> +
> + # OK, works on sane cases. Now check whether nonexistent headers
> + # can be detected and how.
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h. */
> +#include <ac_nonexistent.h>
> +_ACEOF
> +if ac_fn_c_try_cpp "$LINENO"; then :
> + # Broken: success on invalid input.
> +continue
> +else
> + # Passes both tests.
> +ac_preproc_ok=:
> +break
> +fi
> +rm -f conftest.err conftest.i conftest.$ac_ext
> +
> +done
> +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
> +rm -f conftest.i conftest.err conftest.$ac_ext
> +if $ac_preproc_ok; then :
> + break
> +fi
> +
> + done
> + ac_cv_prog_CPP=$CPP
> +
> +fi
> + CPP=$ac_cv_prog_CPP
> +else
> + ac_cv_prog_CPP=$CPP
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
> +$as_echo "$CPP" >&6; }
> +ac_preproc_ok=false
> +for ac_c_preproc_warn_flag in '' yes
> +do
> + # Use a header file that comes with gcc, so configuring glibc
> + # with a fresh cross-compiler works.
> + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
> + # <limits.h> exists even on freestanding compilers.
> + # On the NeXT, cc -E runs the code through the compiler's parser,
> + # not just through cpp. "Syntax error" is here to catch this case.
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h. */
> +#ifdef __STDC__
> +# include <limits.h>
> +#else
> +# include <assert.h>
> +#endif
> + Syntax error
> +_ACEOF
> +if ac_fn_c_try_cpp "$LINENO"; then :
> +
> +else
> + # Broken: fails on valid input.
> +continue
> +fi
> +rm -f conftest.err conftest.i conftest.$ac_ext
> +
> + # OK, works on sane cases. Now check whether nonexistent headers
> + # can be detected and how.
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h. */
> +#include <ac_nonexistent.h>
> +_ACEOF
> +if ac_fn_c_try_cpp "$LINENO"; then :
> + # Broken: success on invalid input.
> +continue
> +else
> + # Passes both tests.
> +ac_preproc_ok=:
> +break
> +fi
> +rm -f conftest.err conftest.i conftest.$ac_ext
> +
> +done
> +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
> +rm -f conftest.i conftest.err conftest.$ac_ext
> +if $ac_preproc_ok; then :
> +
> +else
> + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
> +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
> +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
> +See \`config.log' for more details" "$LINENO" 5; }
> +fi
> +
> +ac_ext=c
> +ac_cpp='$CPP $CPPFLAGS'
> +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
> +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
> +ac_compiler_gnu=$ac_cv_c_compiler_gnu
> +
>
>
> AR=${AR-ar}
> diff --git a/sim/configure.ac b/sim/configure.ac
> index 7de8b99888bf..99364cac7f4e 100644
> --- a/sim/configure.ac
> +++ b/sim/configure.ac
> @@ -10,6 +10,7 @@ AC_CHECK_TOOL(RANLIB, ranlib, :)
> AC_CANONICAL_SYSTEM
> AC_ARG_PROGRAM
> AC_PROG_CC
> +AC_PROG_CPP
> AC_SUBST(CFLAGS)
> AC_SUBST(HDEFINES)
> AR=${AR-ar}
> --
> 2.28.0
>