# Copyright 1999-2006 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/eclass/mysql_fx.eclass,v 1.13 2006/05/05 19:49:43 chtekk Exp $ # Author: Francesco Riosa <vivo@gentoo.org> # Maintainer: Francesco Riosa <vivo@gentoo.org> inherit multilib # Helper function, version (integer) may have sections separated by dots # for readability # stripdots() { local dotver=${1:-"0"} while [[ "${dotver/./}" != "${dotver}" ]] ; do dotver="${dotver/./}" ; done echo "${dotver:-"0"}" } # bool mysql_check_version_range(char * range, int ver=MYSQL_VERSION_ID, int die_on_err=MYSQL_DIE_ON_RANGE_ERROR) # # Check if a version number falls inside a given range. # The range includes the extremes and must be specified as # "low_version to high_version" i.e. "4.00.00.00 to 5.01.99.99" # Return true if inside the range # 2005-11-19 <vivo@gentoo.org> # mysql_check_version_range() { local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}") local rbound="${1#* to }" ; rbound=$(stripdots "${rbound}") local my_ver="${2:-"${MYSQL_VERSION_ID}"}" [[ ${lbound} -le ${my_ver} && ${my_ver} -le ${rbound} ]] && return 0 return 1 } # * char mysql_strip_double_slash() # # Strip double slashes from passed argument. # 2005-11-19 <vivo@gentoo.org> # mysql_strip_double_slash() { local path="${1}" local newpath="${path/\/\///}" while [[ "${path}" != "${newpath}" ]] ; do path="${newpath}" newpath="${path/\/\///}" done echo "${newpath}" } # Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1? # (nice) idea from versionator.eclass # mysql_version_is_at_least() { local want_s=$(stripdots "$1") have_s=$(stripdots "${2:-${MYSQL_VERSION_ID}}") [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value to check" [[ ${want_s} -le ${have_s} ]] && return 0 || return 1 } # void mysql_lib_symlinks() # # To be called on the live filesystem, reassigning symlinks of each MySQL # library to the best version available. # 2005-12-30 <vivo@gentoo.org> # mysql_lib_symlinks() { local d dirlist maxdots soname sonameln other better pushd "${ROOT}/usr/$(get_libdir)" &> /dev/null # dirlist must contain the less significative directory left dirlist="mysql" # waste some time in removing and recreating symlinks for d in $dirlist ; do for soname in $(find "${d}" -name "*.so*" -and -not -type "l") ; do # maxdot is a limit versus infinite loop maxdots=0 sonameln=${soname##*/} # loop in version of the library to link it, similar to how # libtool works while [[ ${sonameln:0-3} != '.so' ]] && [[ ${maxdots} -lt 6 ]] ; do rm -f "${sonameln}" ln -s "${soname}" "${sonameln}" (( ++maxdots )) sonameln="${sonameln%.*}" done rm -f "${sonameln}" ln -s "${soname}" "${sonameln}" done done popd &> /dev/null }