I attach here a proposed new function for eutils.eclass. Review requested. Thanks to zlin and igli for initial review and suggestions on #gentoo-dev-help. -- /PA
--- /usr/portage/eclass/eutils.eclass 2008-09-28 07:06:15.000000000 +0200 +++ eutils1.eclass 2008-11-06 22:22:51.000000000 +0100 @@ -1805,5 +1805,37 @@ ) || die else newbin "${tmpwrapper}" "${wrapper}" || die fi } + +# @FUNCTION: epunt_la_files +# @USAGE: [dir to scan] +# @DESCRIPTION: +# .la files can cause many unpleasantries when they disappear, +# forcing rebuilds of seemingly unrelated packages. +# This function removes the .la files from [dir to scan], "${D}" if not set. +# A good time to start punting .la files may be when a .so bump happens, +# so dependent packages do not have to be rebuilt twice. +# +# See also: +# bug 245889 +# http://blog.flameeyes.eu/2008/07/02/again-about-la-files-or-why-should-they-be-killed-off-sooner-rather-than-later + +epunt_la_files() { + debug-print-function $FUNCNAME "$@" + local TARGET=$1 + [ -z "${TARGET}" ] && TARGET="${D}" + + # If this is a non-ELF system, chances are good that the .la files will be needed. + if type -P scanelf &> /dev/null + then + debug-print "Scanelf found, proceeding..." + ebegin "Removing useless .la files" + find "${TARGET}" -name '*.la' '(' -type l -o -type f ')' -exec rm -f '{}' '+' + eend 0 + else + debug-print "scanelf not found, this appears to be a non-ELF system." + debug-print "non-ELF systems are likely to need .la files." + debug-print ".la files not removed from ${TARGET}" + fi +}
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