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* config.guess: Replace large 'set_cc_for_build' shell variable,
that is executed via eval, with a POSIX shell function.
* Makefile (shellcheck): Ignore SC2039 diagnostics ("In POSIX sh,
RANDOM is undefined") and SC2172 ("Trapping signals by number is
not well defined. Prefer signal names").
This commit is contained in:
Ben Elliston
parent
ba47464ef7
commit
1e826a0344
@ -1,3 +1,11 @@
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2018-07-12 Ben Elliston <bje@gnu.org>
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* config.guess: Replace large 'set_cc_for_build' shell variable,
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that is executed via eval, with a POSIX shell function.
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* Makefile (shellcheck): Ignore SC2039 diagnostics ("In POSIX sh,
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RANDOM is undefined") and SC2172 ("Trapping signals by number is
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not well defined. Prefer signal names").
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2018-07-06 Ben Elliston <bje@gnu.org>
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* config.guess (set_cc_for_build): Suppress possible mkdir output.
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2
Makefile
2
Makefile
@ -17,4 +17,4 @@ check-sub:
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cd testsuite && sh config-sub.sh
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shellcheck:
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shellcheck -e SC2006 -f gcc config.guess config.sub testsuite/*.sh
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shellcheck -e SC2006,SC2039,SC2172 -f gcc config.guess config.sub testsuite/*.sh
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77
config.guess
vendored
77
config.guess
vendored
@ -2,7 +2,7 @@
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# Attempt to guess a canonical system name.
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# Copyright 1992-2018 Free Software Foundation, Inc.
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timestamp='2018-07-06'
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timestamp='2018-07-12'
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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@ -84,8 +84,6 @@ if test $# != 0; then
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exit 1
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fi
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trap 'exit 1' 1 2 15
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# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
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# compiler to aid in system detection is discouraged as it requires
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# temporary files to be created and, as you can see below, it is a
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@ -96,30 +94,33 @@ trap 'exit 1' 1 2 15
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# Portable tmp directory creation inspired by the Autoconf team.
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set_cc_for_build='
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trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
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trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
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: ${TMPDIR=/tmp} ;
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{ tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
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{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp 2>/dev/null) ; } ||
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{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
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{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
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dummy=$tmp/dummy ;
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tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
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case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
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,,) echo "int x;" > "$dummy.c" ;
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for c in cc gcc c89 c99 ; do
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if ($c -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
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CC_FOR_BUILD="$c"; break ;
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fi ;
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done ;
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if test x"$CC_FOR_BUILD" = x ; then
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CC_FOR_BUILD=no_compiler_found ;
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fi
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;;
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,,*) CC_FOR_BUILD=$CC ;;
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,*,*) CC_FOR_BUILD=$HOST_CC ;;
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esac ; set_cc_for_build= ;'
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tmp=
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trap 'test -z "$tmp" || rm -fr "$tmp"' 1 2 13 15
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trap 'exitcode=$?; test -z "$tmp" || rm -fr "$tmp"; exit $exitcode' 0
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set_cc_for_build() {
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: "${TMPDIR=/tmp}"
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{ tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
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{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
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{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
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{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
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dummy=$tmp/dummy
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case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
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,,) echo "int x;" > "$dummy.c"
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for driver in cc gcc c89 c99 ; do
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if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
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CC_FOR_BUILD="$driver"
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break
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fi
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done
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if test x"$CC_FOR_BUILD" = x ; then
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CC_FOR_BUILD=no_compiler_found
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fi
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;;
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,,*) CC_FOR_BUILD=$CC ;;
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,*,*) CC_FOR_BUILD=$HOST_CC ;;
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esac
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}
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# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
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# (ghazi@noc.rutgers.edu 1994-08-24)
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@ -138,7 +139,7 @@ Linux|GNU|GNU/*)
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# We could probably try harder.
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LIBC=gnu
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eval "$set_cc_for_build"
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set_cc_for_build
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cat <<-EOF > "$dummy.c"
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#include <features.h>
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#if defined(__UCLIBC__)
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@ -199,7 +200,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
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os=netbsdelf
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;;
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arm*|i386|m68k|ns32k|sh3*|sparc|vax)
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eval "$set_cc_for_build"
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set_cc_for_build
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if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
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| grep -q __ELF__
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then
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@ -389,7 +390,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
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echo i386-pc-auroraux"$UNAME_RELEASE"
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exit ;;
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i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
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eval "$set_cc_for_build"
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set_cc_for_build
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SUN_ARCH=i386
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# If there is a compiler, see if it is configured for 64-bit objects.
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# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
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@ -482,7 +483,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
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echo clipper-intergraph-clix"$UNAME_RELEASE"
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exit ;;
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mips:*:*:UMIPS | mips:*:*:RISCos)
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eval "$set_cc_for_build"
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set_cc_for_build
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sed 's/^ //' << EOF > "$dummy.c"
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#ifdef __cplusplus
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#include <stdio.h> /* for printf() prototype */
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@ -579,7 +580,7 @@ EOF
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exit ;;
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*:AIX:2:3)
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if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
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eval "$set_cc_for_build"
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set_cc_for_build
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sed 's/^ //' << EOF > "$dummy.c"
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#include <sys/systemcfg.h>
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@ -660,7 +661,7 @@ EOF
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esac
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fi
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if [ "$HP_ARCH" = "" ]; then
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eval "$set_cc_for_build"
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set_cc_for_build
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sed 's/^ //' << EOF > "$dummy.c"
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#define _HPUX_SOURCE
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@ -700,7 +701,7 @@ EOF
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esac
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if [ "$HP_ARCH" = hppa2.0w ]
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then
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eval "$set_cc_for_build"
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set_cc_for_build
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# hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
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# 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler
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@ -726,7 +727,7 @@ EOF
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echo ia64-hp-hpux"$HPUX_REV"
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exit ;;
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3050*:HI-UX:*:*)
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eval "$set_cc_for_build"
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set_cc_for_build
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sed 's/^ //' << EOF > "$dummy.c"
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#include <unistd.h>
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int
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@ -922,7 +923,7 @@ EOF
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echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
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exit ;;
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arm*:Linux:*:*)
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eval "$set_cc_for_build"
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set_cc_for_build
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if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
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| grep -q __ARM_EABI__
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then
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@ -971,7 +972,7 @@ EOF
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echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
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exit ;;
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mips:Linux:*:* | mips64:Linux:*:*)
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eval "$set_cc_for_build"
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set_cc_for_build
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sed 's/^ //' << EOF > "$dummy.c"
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#undef CPU
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#undef ${UNAME_MACHINE}
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@ -1285,7 +1286,7 @@ EOF
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exit ;;
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*:Darwin:*:*)
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UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
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eval "$set_cc_for_build"
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set_cc_for_build
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if test "$UNAME_PROCESSOR" = unknown ; then
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UNAME_PROCESSOR=powerpc
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fi
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