dev-scheme/racket: add version 7.7

Package-Manager: Portage-2.3.99, Repoman-2.3.22
Signed-off-by: Maciej Barć <xgqt@protonmail.com>

dev-scheme/racket/Manifest

@@ -0,0 +1,2 @@
+DIST racket-7.7-src-builtpkgs.tgz 148403219 BLAKE2B 6f68fc680ca12e09c9f4399bb26dd87a4bfb3d1d05370555300e460a23ea390d02a3ae74e7d227eb0b140d49c9a3a9de2c2502313a09f9cef49103592eeae58b SHA512 9537f3b3d3e7955f4935b64b4d447bf14b2e1c1a2fb7486327ecb7ebf11aa58d531b7f2f72916742752b7e174b429cb446a059a7e535c1450a175302507ec3ea
+DIST racket-minimal-7.7-src-builtpkgs.tgz 21239831 BLAKE2B 6450ba93e65c15350a4a5790852c6a2be5311fcaf803b355c310ba6709f4869d305a8a36aec6c03883f639d0737cbc0be4222e4ef1eb9639ba38da902f46e65e SHA512 aaad81e48a3b28c3023bcb9aeb18a4a2d4214a3a7b5c34c4a52e1b5dc5d0afdfb4976c2d2e1a17f109ff700970e377ef336b6b1ab23e4b9930492a9e9e37619c

dev-scheme/racket/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <use>
+    <flag name="futures">
+      Enable racket/future library for fine-grained hardware parallelism
+    </flag>
+    <flag name="places">
+      Enable racket/place library for share-nothing parallelism and message-passing communication. Compared to futures, places are heavyweight, but they have a simpler performance model.
+    </flag>
+    <flag name="threads">
+      Enable support for green threads
+    </flag>
+  </use>
+</pkgmetadata>

dev-scheme/racket/racket-7.7.ebuild

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+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit pax-utils
+
+DESCRIPTION="General purpose, multi-paradigm Lisp-Scheme programming language"
+HOMEPAGE="https://racket-lang.org/"
+SRC_URI="
+	minimal? ( https://download.racket-lang.org/installers/${PV}/${PN}-minimal-${PV}-src-builtpkgs.tgz )
+	!minimal? ( https://download.racket-lang.org/installers/${PV}/${P}-src-builtpkgs.tgz )
+"
+
+RESTRICT="mirror"
+LICENSE="GPL-3+ LGPL-3"
+SLOT="0"
+KEYWORDS="~amd64"
+
+IUSE="
+	+X
+	+futures
+	+jit
+	+places
+	+readline
+	+threads
+	doc
+	minimal
+"
+REQUIRED_USE="
+	futures? ( jit )
+"
+
+RDEPEND="
+	!dev-tex/slatex
+	dev-db/sqlite:3
+	dev-libs/libffi
+	media-libs/libpng:0
+	virtual/jpeg:0
+	x11-libs/cairo[X?]
+	x11-libs/pango[X?]
+	readline? (
+		dev-libs/libedit
+	)
+	X? (
+		x11-libs/gtk+[X?]
+	)
+"
+DEPEND="
+	${RDEPEND}
+"
+
+S="${WORKDIR}/${P}/src"
+
+src_prepare() {
+	default
+
+	rm -r foreign/libffi || die 'failed to remove bundled libffi'
+}
+
+src_configure() {
+	# According to vapier, we should use the bundled libtool
+	# such that we don't preclude cross-compile. Thus don't use
+	# --enable-lt=/usr/bin/libtool
+	local myconf=(
+		--docdir="${EPREFIX}"/usr/share/doc/${PF}
+		--enable-shared
+		--enable-float
+		--enable-libffi
+		--enable-foreign
+		--disable-libs
+		--disable-strip
+		$(use_enable X gracket)
+		$(use_enable doc docs)
+		$(use_enable jit)
+		$(use_enable places)
+		$(use_enable futures)
+		$(use_enable threads pthread)
+	)
+	econf "${myconf[@]}"
+}
+
+src_compile() {
+	if use jit; then
+		# When the JIT is enabled, a few binaries need to be pax-marked
+		# on hardened systems (bug 613634). The trick is to pax-mark
+		# them before they're used later in the build system. The
+		# following order for racketcgc and racket3m was determined by
+		# digging through the Makefile in src/racket to find out which
+		# targets would build those binaries but not use them.
+		pushd racket
+		emake cgc-core
+		pax-mark m .libs/racketcgc
+		pushd gc2
+		emake all
+		popd
+		pax-mark m .libs/racket3m
+		popd
+	fi
+
+	default
+}
+
+src_install() {
+	default
+
+	if use jit; then
+		# The final binaries need to be pax-marked, too, if you want to
+		# actually use them. The src_compile marking get lost somewhere
+		# in the install process.
+		for f in mred mzscheme racket; do
+			pax-mark m "${D}/usr/bin/${f}"
+		done
+
+		use X && pax-mark m "${D}/usr/$(get_libdir)/racket/gracket"
+	fi
+
+	# raco needs decompressed files for packages doc installation bug 662424
+	if use doc; then
+		docompress -x /usr/share/doc/${PF}
+	fi
+
+	find "${ED}" \( -name "*.a" -o -name "*.la" \) -delete || die
+}