Commit 04599bb1 authored by Paul Eggert's avatar Paul Eggert

Update from Gnulib

This causes config.guess to assume support for shell functions,
a safe assumption nowadays.
* build-aux/config.guess, build-aux/config.sub: Copy from Gnulib.
parent 00fa9467
......@@ -2,7 +2,7 @@
# Attempt to guess a canonical system name.
# Copyright 1992-2018 Free Software Foundation, Inc.
timestamp='2018-07-06'
timestamp='2018-07-13'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
......@@ -84,8 +84,6 @@ if test $# != 0; then
exit 1
fi
trap 'exit 1' 1 2 15
# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
# compiler to aid in system detection is discouraged as it requires
# temporary files to be created and, as you can see below, it is a
......@@ -96,30 +94,35 @@ trap 'exit 1' 1 2 15
# Portable tmp directory creation inspired by the Autoconf team.
set_cc_for_build='
trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
: ${TMPDIR=/tmp} ;
{ tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp 2>/dev/null) ; } ||
{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
dummy=$tmp/dummy ;
tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
,,) echo "int x;" > "$dummy.c" ;
for c in cc gcc c89 c99 ; do
if ($c -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
CC_FOR_BUILD="$c"; break ;
fi ;
done ;
if test x"$CC_FOR_BUILD" = x ; then
CC_FOR_BUILD=no_compiler_found ;
fi
;;
,,*) CC_FOR_BUILD=$CC ;;
,*,*) CC_FOR_BUILD=$HOST_CC ;;
esac ; set_cc_for_build= ;'
tmp=
# shellcheck disable=SC2172
trap 'test -z "$tmp" || rm -fr "$tmp"' 1 2 13 15
trap 'exitcode=$?; test -z "$tmp" || rm -fr "$tmp"; exit $exitcode' 0
set_cc_for_build() {
: "${TMPDIR=/tmp}"
# shellcheck disable=SC2039
{ tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
dummy=$tmp/dummy
case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
,,) echo "int x;" > "$dummy.c"
for driver in cc gcc c89 c99 ; do
if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
CC_FOR_BUILD="$driver"
break
fi
done
if test x"$CC_FOR_BUILD" = x ; then
CC_FOR_BUILD=no_compiler_found
fi
;;
,,*) CC_FOR_BUILD=$CC ;;
,*,*) CC_FOR_BUILD=$HOST_CC ;;
esac
}
# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
# (ghazi@noc.rutgers.edu 1994-08-24)
......@@ -138,7 +141,7 @@ Linux|GNU|GNU/*)
# We could probably try harder.
LIBC=gnu
eval "$set_cc_for_build"
set_cc_for_build
cat <<-EOF > "$dummy.c"
#include <features.h>
#if defined(__UCLIBC__)
......@@ -199,7 +202,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
os=netbsdelf
;;
arm*|i386|m68k|ns32k|sh3*|sparc|vax)
eval "$set_cc_for_build"
set_cc_for_build
if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
| grep -q __ELF__
then
......@@ -389,7 +392,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
echo i386-pc-auroraux"$UNAME_RELEASE"
exit ;;
i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
eval "$set_cc_for_build"
set_cc_for_build
SUN_ARCH=i386
# If there is a compiler, see if it is configured for 64-bit objects.
# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
......@@ -482,7 +485,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
echo clipper-intergraph-clix"$UNAME_RELEASE"
exit ;;
mips:*:*:UMIPS | mips:*:*:RISCos)
eval "$set_cc_for_build"
set_cc_for_build
sed 's/^ //' << EOF > "$dummy.c"
#ifdef __cplusplus
#include <stdio.h> /* for printf() prototype */
......@@ -579,7 +582,7 @@ EOF
exit ;;
*:AIX:2:3)
if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
eval "$set_cc_for_build"
set_cc_for_build
sed 's/^ //' << EOF > "$dummy.c"
#include <sys/systemcfg.h>
......@@ -660,7 +663,7 @@ EOF
esac
fi
if [ "$HP_ARCH" = "" ]; then
eval "$set_cc_for_build"
set_cc_for_build
sed 's/^ //' << EOF > "$dummy.c"
#define _HPUX_SOURCE
......@@ -700,7 +703,7 @@ EOF
esac
if [ "$HP_ARCH" = hppa2.0w ]
then
eval "$set_cc_for_build"
set_cc_for_build
# hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
# 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler
......@@ -726,7 +729,7 @@ EOF
echo ia64-hp-hpux"$HPUX_REV"
exit ;;
3050*:HI-UX:*:*)
eval "$set_cc_for_build"
set_cc_for_build
sed 's/^ //' << EOF > "$dummy.c"
#include <unistd.h>
int
......@@ -922,7 +925,7 @@ EOF
echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
exit ;;
arm*:Linux:*:*)
eval "$set_cc_for_build"
set_cc_for_build
if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
| grep -q __ARM_EABI__
then
......@@ -971,7 +974,7 @@ EOF
echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
exit ;;
mips:Linux:*:* | mips64:Linux:*:*)
eval "$set_cc_for_build"
set_cc_for_build
sed 's/^ //' << EOF > "$dummy.c"
#undef CPU
#undef ${UNAME_MACHINE}
......@@ -1285,7 +1288,7 @@ EOF
exit ;;
*:Darwin:*:*)
UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
eval "$set_cc_for_build"
set_cc_for_build
if test "$UNAME_PROCESSOR" = unknown ; then
UNAME_PROCESSOR=powerpc
fi
......@@ -1358,6 +1361,7 @@ EOF
# "uname -m" is not consistent, so use $cputype instead. 386
# is converted to i386 for consistency with other x86
# operating systems.
# shellcheck disable=SC2154
if test "$cputype" = 386; then
UNAME_MACHINE=i386
else
......
......@@ -2,7 +2,7 @@
# Configuration validation subroutine script.
# Copyright 1992-2018 Free Software Foundation, Inc.
timestamp='2018-07-03'
timestamp='2018-07-13'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
......@@ -739,6 +739,7 @@ case $basic_machine in
| mipsr5900-* | mipsr5900el-* \
| mipstx39-* | mipstx39el-* \
| mmix-* \
| moxie-* \
| mt-* \
| msp430-* \
| nds32-* | nds32le-* | nds32be-* \
......@@ -1263,9 +1264,6 @@ case $basic_machine in
pmac | pmac-mpw)
basic_machine=powerpc-apple
;;
*-unknown)
# Make sure to match an already-canonicalized machine name.
;;
*)
echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2
exit 1
......
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