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  • Committer: Bazaar Package Importer
  • Author(s): Bastian Blank
  • Date: 2010-05-06 15:47:38 UTC
  • mto: (1.3.1) (15.1.1 sid) (4.1.1 experimental)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20100506154738-agoz0rlafrh1fnq7
Tags: upstream-4.0.0
Import upstream version 4.0.0

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tools/check/funcs.sh
 
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# has is the same as which, except it handles cross environments
 
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has() {
 
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        if [ -z "$CROSS_COMPILE" ]; then
 
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                command which "$@"
 
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                return $?
 
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        fi
 
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        check_sys_root || return 1
 
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        # subshell to prevent pollution of caller's IFS
 
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        (
 
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        IFS=:
 
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        for p in $PATH; do
 
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                if [ -x "$CROSS_SYS_ROOT/$p/$1" ]; then
 
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                        echo "$CROSS_SYS_ROOT/$p/$1"
 
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                        return 0
 
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                fi
 
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        done
 
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        return 1
 
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        )
 
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}
 
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has_or_fail() {
 
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        has "$1" >/dev/null || fail "can't find $1"
 
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}
 
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has_header() {
 
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        case $1 in
 
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                /*) ;;
 
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                *) set -- "/usr/include/$1" ;;
 
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        esac
 
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        check_sys_root || return 1
 
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        test -r "$CROSS_SYS_ROOT$1"
 
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        return $?
 
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}
 
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has_lib() {
 
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        check_sys_root || return 1
 
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        # subshell to prevent pollution of caller's environment
 
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        (
 
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        PATH=/sbin:$PATH        # for ldconfig
 
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        # This relatively common in a sys-root; libs are installed but
 
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        # ldconfig hasn't run there, so ldconfig -p won't work.
 
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        if [ "$OS" = Linux -a ! -f "$CROSS_SYS_ROOT/etc/ld.so.cache" ]; then
 
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            echo "Please run ldconfig -r \"$CROSS_SYS_ROOT\" to generate ld.so.cache"
 
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            # fall through; ldconfig test below should fail
 
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        fi
 
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        ldconfig -p ${CROSS_SYS_ROOT+-r "$CROSS_SYS_ROOT"} | grep -Fq "$1"
 
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        return $?
 
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        )
 
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}
 
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test_link() {
 
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        # subshell to trap removal of tmpfile
 
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        (
 
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        unset tmpfile
 
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        trap 'rm -f "$tmpfile"; exit' 0 1 2 15
 
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        tmpfile=`mktemp` || return 1
 
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        ld "$@" -o "$tmpfile" >/dev/null 2>&1
 
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        return $?
 
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        )
 
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}
 
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# this function is used commonly above
 
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check_sys_root() {
 
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        [ -z "$CROSS_COMPILE" ] && return 0
 
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        if [ -z "$CROSS_SYS_ROOT" ]; then
 
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                echo "please set CROSS_SYS_ROOT in the environment"
 
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                return 1
 
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        fi
 
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        if [ ! -d "$CROSS_SYS_ROOT" ]; then
 
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                echo "no sys-root found at $CROSS_SYS_ROOT"
 
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                return 1
 
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        fi
 
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}
 
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warning() {
 
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        echo
 
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        echo " *** `basename "$0"` FAILED${*+: $*}"
 
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}
 
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fail() {
 
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        echo
 
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        echo " *** `basename "$0"` FAILED${*+: $*}"
 
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        exit 1
 
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}