dev-lang/dafny-bin: bump to 4.9.0

Signed-off-by: Maciej Barć <xgqt@gentoo.org>

dev-lang/dafny-bin/Manifest

@@ -1 +1,2 @@
 DIST dafny-4.8.1-x64-ubuntu-20.04.zip 60728434 BLAKE2B 0cdf877fb018cff9ef6f1805ce9fdb3de506fbc76352a0d6ebc5e47b79e35483fe72853ff6ade32c31f1584d209445cbf2de195fc43a3c24314ebdc830d45daf SHA512 24b1f9028b509ccdc938fd1de97fbb72af101603422194ec47b21f421c45e17b96c07ecdd8c12057e97e0a16cbe4993fc7a498456a737bc5f2940b4a69d55ced
+DIST dafny-4.9.0-x64-ubuntu-20.04.zip 60772912 BLAKE2B 5904811590362705183e05e38c5f67a98b1601c28b4776faf3f33ac87d527e2c91493a0a693fd635799b8f416344acab2ed8c2897f3d1f07827e34565e8d720e SHA512 f44b94abf4fb9b42ee7b7fab584d1b6d65a90bdc515b2b4fc398762bcc33a759bbe2e22ff0c9fc556ca1794707cd7ca440e414c51be10ecd87a5b470df661bbf

dev-lang/dafny-bin/dafny-bin-4.9.0.ebuild

@@ -0,0 +1,56 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="Verification-aware programming language"
+HOMEPAGE="https://dafny.org/
+	https://github.com/dafny-lang/dafny/"
+SRC_URI="https://github.com/dafny-lang/dafny/releases/download/v${PV}/dafny-${PV}-x64-ubuntu-20.04.zip"
+S="${WORKDIR}/dafny"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="-* ~amd64"
+REQUIRED_USE="elibc_glibc"
+RESTRICT="strip"
+
+RDEPEND="
+	!dev-lang/dafny
+	dev-libs/userspace-rcu
+	dev-util/lttng-ust:0/2.12
+	sci-mathematics/z3
+"
+BDEPEND="
+	app-arch/unzip
+"
+
+QA_PREBUILT="*"
+
+src_prepare() {
+	default
+
+	# Remove bundled z3.
+	# NOTICE: New versions do not need the bundled one but older versions
+	# hardcoded the path relative to "dafny" binary.
+	# While bumping make sure to verify that system's "z3" is used
+	# by, for example, compiling/verifying a simple dafny program.
+	rm -r z3 || die
+}
+
+src_install() {
+	local dest="/opt/dafny"
+
+	insinto "${dest}"
+	# Maybe too general, but this installation mode matched how it arrives.
+	insopts -m0755
+	doins "${S}"/*
+
+	local bin
+	for bin in DafnyServer dafny ; do
+		dosym "../../${dest}/${bin}" "/usr/bin/${bin}"
+	done
+
+	# Make "dafny-server" clients happy.
+	dosym -r "/${dest}/DafnyServer" /usr/bin/dafny-server
+}