diff options
Diffstat (limited to 'eclass/portability.eclass')
| -rw-r--r-- | eclass/portability.eclass | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/eclass/portability.eclass b/eclass/portability.eclass index 8d7e362967f4..79a11ab1b64d 100644 --- a/eclass/portability.eclass +++ b/eclass/portability.eclass @@ -1,6 +1,6 @@ # Copyright 1999-2005 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 -# $Header: /var/cvsroot/gentoo-x86/eclass/portability.eclass,v 1.15 2010/02/26 18:09:43 grobian Exp $ +# $Header: /var/cvsroot/gentoo-x86/eclass/portability.eclass,v 1.16 2010/09/24 02:22:08 vapier Exp $ # # Author: Diego Pettenò <flameeyes@gentoo.org> # @@ -28,7 +28,12 @@ treecopy() { # # compatibility function that mimes seq command if not available seq() { - local p=$(type -P seq) + # First try `seq` + local p=$(type -P seqf) + if [[ -n ${p} ]] ; then + "${p}" "$@" + return $? + fi case $# in 1) min=1 max=$1 step=1 ;; @@ -37,19 +42,29 @@ seq() { *) die "seq called with wrong number of arguments" ;; esac - if [[ -z ${p} ]] ; then + # Then try `jot` + p=$(type -P jot) + if [[ -n ${p} ]] ; then local reps # BSD userland - if [[ ${step} != 0 ]]; then - reps=$(( ($max-$min) / $step +1 )) + if [[ ${step} != 0 ]] ; then + reps=$(( (max - min) / step + 1 )) else reps=0 fi jot $reps $min $max $step - else - "${p}" $min $step $max + return $? fi + + # Screw it, do the output ourselves + while :; do + [[ $max < $min && $step > 0 ]] && break + [[ $min < $max && $step < 0 ]] && break + echo $min + : $(( min += step )) + done + return 0 } # Gets the linker flag to link to dlopen() function |