2 files changed, 111 insertions, 0 deletions
diff --git a/dev-util/scons/files/scons-3.0.1-env-passthrough.patch b/dev-util/scons/files/scons-3.0.1-env-passthrough.patch
new file mode 100644
index 000000000000..16de316766b1
--- /dev/null
+++ b/dev-util/scons/files/scons-3.0.1-env-passthrough.patch
@@ -0,0 +1,40 @@
+From f2f8536be12f1d095382e7598060c1eb51eb5337 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
+Date: Wed, 9 May 2018 17:04:49 +0200
+Subject: [PATCH] posix: Support GENTOO_SCONS_ENV_PASSTHROUGH=1
+
+Support GENTOO_SCONS_ENV_PASSTHROUGH=1 variable to override the default
+of wiping the environment and resetting PATH to default, and instead
+pass all variables through.
+---
+ src/engine/SCons/Platform/posix.py | 14 +++++++++++---
+ 1 file changed, 11 insertions(+), 3 deletions(-)
+
+diff --git a/src/engine/SCons/Platform/posix.py b/src/engine/SCons/Platform/posix.py
+index 8db08db1..af34650c 100644
+--- a/src/engine/SCons/Platform/posix.py
++++ b/src/engine/SCons/Platform/posix.py
+@@ -87,9 +87,17 @@ def generate(env):
+     pspawn = piped_env_spawn
+     # Note that this means that 'escape' is no longer used
+ 
+-    if 'ENV' not in env:
+-        env['ENV']        = {}
+-    env['ENV']['PATH']    = '/usr/local/bin:/opt/bin:/bin:/usr/bin'
++    # Force pass-through of environment variables in Gentoo builds
++    if os.environ.get('GENTOO_SCONS_ENV_PASSTHROUGH', False):
++        new_env = os.environ.copy()
++        if 'ENV' in env:
++            new_env.update(env['ENV'])
++        env['ENV'] = new_env
++    else:
++        if 'ENV' not in env:
++            env['ENV']        = {}
++        env['ENV']['PATH']    = '/usr/local/bin:/opt/bin:/bin:/usr/bin'
++
+     env['OBJPREFIX']      = ''
+     env['OBJSUFFIX']      = '.o'
+     env['SHOBJPREFIX']    = '$OBJPREFIX'
+-- 
+2.17.0
+
diff --git a/dev-util/scons/scons-3.0.1-r1.ebuild b/dev-util/scons/scons-3.0.1-r1.ebuild
new file mode 100644
index 000000000000..27ba6fa1e888
--- /dev/null
+++ b/dev-util/scons/scons-3.0.1-r1.ebuild
@@ -0,0 +1,71 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+PYTHON_COMPAT=( python2_7 )
+PYTHON_REQ_USE="threads(+)"
+
+inherit distutils-r1
+
+DESCRIPTION="Extensible Python-based build utility"
+HOMEPAGE="http://www.scons.org/"
+SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz
+	doc? (
+		http://www.scons.org/doc/${PV}/PDF/${PN}-user.pdf -> ${P}-user.pdf
+		http://www.scons.org/doc/${PV}/HTML/${PN}-user.html -> ${P}-user.html
+	)
+	test? ( https://github.com/scons/scons/archive/${PV}.tar.gz -> ${P}.gh.tar.gz )"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd"
+IUSE="doc test"
+
+S=${WORKDIR}/${P}/src
+
+PATCHES=(
+	# support env passthrough for Gentoo ebuilds
+	"${FILESDIR}"/scons-3.0.1-env-passthrough.patch
+)
+
+src_unpack() {
+	# use the git directory structure, but put pregenerated release
+	# inside src/ subdirectory to make our life easier
+	if use test; then
+		unpack "${P}.gh.tar.gz"
+		rm -r "${P}/src" || die
+	else
+		mkdir "${P}" || die
+	fi
+
+	cd "${P}" || die
+	unpack "${P}.tar.gz"
+	mv "${P}" src || die
+}
+
+src_prepare() {
+	# apply patches relatively to top directory
+	cd "${WORKDIR}/${P}" || die
+	distutils-r1_src_prepare
+
+	# remove half-broken, useless custom commands
+	# and fix manpage install location
+	sed -i -e '/cmdclass/,/}$/d' \
+		-e '/data_files/s:man/:share/man/:' "${S}"/setup.py || die
+}
+
+python_test() {
+	cd "${WORKDIR}/${P}" || die
+	"${EPYTHON}" runtest.py -as \
+		-j "$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")" \
+		--builddir "${BUILD_DIR}/lib" ||
+		die "Tests fail with ${EPYTHON}"
+}
+
+python_install_all() {
+	local DOCS=( {CHANGES,README,RELEASE}.txt )
+	distutils-r1_python_install_all
+	rm "${ED%/}/usr/bin/scons.bat" || die
+
+	use doc && dodoc "${DISTDIR}"/${P}-user.{pdf,html}
+}