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authorDiego Elio Pettenò <flameeyes@gentoo.org>2005-09-18 17:33:44 +0000
committerDiego Elio Pettenò <flameeyes@gentoo.org>2005-09-18 17:33:44 +0000
commit7b5293563ba146a6a34746ff461c6b1a75674395 (patch)
treeb6a5f0dcff1f874a0a48aa11146e2590a4087780 /eclass/portability.eclass
parentStable on ppc64 (bug #105805) (diff)
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Added portability eclass with seq() function to replace seq command. Make eutils use the new seq command for enewuser/enewgroup.
Diffstat (limited to 'eclass/portability.eclass')
-rw-r--r--eclass/portability.eclass75
1 files changed, 75 insertions, 0 deletions
diff --git a/eclass/portability.eclass b/eclass/portability.eclass
new file mode 100644
index 000000000000..a83e35441482
--- /dev/null
+++ b/eclass/portability.eclass
@@ -0,0 +1,75 @@
+# 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 1.1 2005/09/18 17:33:44 flameeyes Exp $
+#
+# Author: Diego Pettenò <flameeyes@gentoo.org>
+#
+# This eclass is created to avoid using non-portable GNUisms inside ebuilds
+#
+# NB: If you add anything, please comment it!
+
+# treecopy orig1 orig2 orig3 .... dest
+#
+# mimic cp --parents copy, but working on BSD userland as well
+treecopy() {
+ dest=${!#}
+ files_count=$#
+
+ while(( $# > 1 )); do
+ dirstruct=$(dirname "$1")
+ mkdir -p "${dest}/${dirstruct}"
+ cp -pPR "$1" "${dest}/${dirstruct}"
+
+ shift
+ done
+}
+
+# seq min max
+#
+# compatibility function that mimes seq command if not available
+seq() {
+ local p
+ p=$(type -P seq)
+
+ case $# in
+ 1)
+ min=1
+ max=$1
+ step=1
+ ;;
+ 2)
+ min=$1
+ max=$2
+ step=1
+ ;;
+ 3)
+ min=$1
+ max=$3
+ step=$2
+ ;;
+ *)
+ die "seq called with wrong parameters number"
+ esac
+
+ if [[ -z "${p}" ]]; then
+ local reps
+ # BSD userland
+ if [[ ${step} != 0 ]]; then
+ reps=$(( ($max-$min) / $step +1 ))
+ else
+ reps=0
+ fi
+
+ jot $reps $min $max $step
+ else
+ "${p}" $min $step $max
+ fi
+}
+
+# Gets the linker flag to link to dlopen() function
+dlopen_lib() {
+ if [[ ${ELIBC} != *BSD ]]; then
+ echo "-ldl"
+ fi
+}
+