ksh93 ebuild

ksh-93.20120801.ebuild

# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=4

# Specify an alternate AST distribution if needed.
myPkgName=

# This section allows for the possibility to build from git sources,
# and otherwise specifies source tarball names.
if [[ $PV == 9999 ]]; then
	myPkgName=ast-open
	EGIT_REPO_URI=http://I.accept.www.opensource.org.licenses.eclipse:.@www2.research.att.com/sw/git/ast-open
	SRC_URI=
else
	printf -v SRC_URI "%s.$(LC_TIME=C date -d "${PV##*.}" +%F).tgz\n" \
		{mirror://gentoo,'http://dev.gentoo.org/~flopppym/distfiles'}/{INIT,"${myPkgName:=ast-base}"}
fi

inherit toolchain-funcs prefix eutils ${EGIT_REPO_URI+git-2}

# various metadata
DESCRIPTION='The AT&T Korn Shell'
HOMEPAGE='http://www.kornshell.com/ http://www2.research.att.com/~gsf/download/ksh/ksh.html'
LICENSE='CPL-1.0 EPL-1.0'
SLOT=0
KEYWORDS='~alpha ~amd64 ~arm ~ia64 ~ppc ~ppc64 ~s390 ~sparc ~x86'
IUSE=+plugins
RDEPEND=
S=$WORKDIR

src_prepare() {
	# Bug 238906
	typeset f
	for f in bin/package src/cmd/INIT/package.sh; do
		ed -s "$f" </dev/fd/0 || die 
	done <<\EOF
g|cd /tmp|s,,cd "${TMPDIR:-/tmp}",g
w
EOF

	# Bug 230241 
	epatch "${FILESDIR}/${PN}-prefix.patch"
	eprefixify src/cmd/ksh93/data/msg.c

	# Apply a backport of the one-liner "command" builtin fix.
	# http://article.gmane.org/gmane.comp.programming.tools.ast.devel/651
	if (( $(LC_TIME=C date -d "${PV##*.}" +%Y%m%d) < 20121024 )); then
		epatch "${FILESDIR}/${PN}-fix-command-builtin.patch"
	fi
}

src_compile() {
	# This recursion works around Portage being unable to do anything useful with
	# the return status. FUNCNAME is like .sh.fun, but an array of the entire stack.
	if [[ $FUNCNAME != "${FUNCNAME[1]}" ]]; then

		# export some toolchain-specific vars. e.g. CC=cc
		tc-export AR CC LD NM
		export CCFLAGS=$CFLAGS
		typeset -a packageOpts=("SHELL=${EPREFIX}/bin/sh" SHOPT_SYSRC=1)

		# I'm just setting SHOPT_CMDLIB_DIR=1 to optionally add all the builtins, but
		# am not sure whether this is the best method.
		use plugins && packageOpts+=(SHOPT_CMDLIB_DIR=1)

		typeset -f +t "$FUNCNAME"
		"$FUNCNAME" "$@" || die
	else
		# Print the results when we return. RETURN is somewhat similar to the Ksh EXIT trap.
		trap 'einfo "make results:"; sh bin/package results; trap - RETURN' RETURN

		# Do the build. Flat should be fine I think.
		sh bin/package flat only make ast-ksh "${packageOpts[@]}"
	fi
}

# This only runs if the user opts in to running the tests.
src_test() {
	sh bin/package test
	einfo 'test results:'
	sh bin/package results test
}

# I suspect this is not ideal.
src_install() {
	# Install the docs
	dodoc "lib/package/${myPkgName}.README"
	dohtml "lib/package/${myPkgName}.html"

	# Install the binary and rksh symlink.
	into /
	dobin bin/ksh
	dosym ksh /bin/rksh

	# manpage...
	newman man/man1/sh.1 ksh.1
}