Add dev-scheme/skint

dev-scheme/skint/Manifest

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+DIST skint-0.6.8.tar.gz 965484 BLAKE2B 5b74d0db89bdac359f0d50d2898da8a36015b5afb6c8af24ab6554931473cecb9c8da2fdb0f8d57b1b39351bd316e4590ff3cde48e13e9ea4014d8081bcfb555 SHA512 dd27c0de27bc41689536cd2f7c618b4f566d3306ec098b5f3fcaeb0e905ad407e51b03b20abefde0e978cc2a71f600a9bef25a1fca22917fc47e5aa1b382f555

dev-scheme/skint/skint-0.6.8.ebuild

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+# Copyright 2025-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="Cheap and fast R7RS Scheme interpreter"
+HOMEPAGE="https://github.com/false-schemers/skint"
+SRC_URI="https://github.com/false-schemers/skint/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="+srfi"
+
+inherit toolchain-funcs
+
+src_prepare() {
+	sed '/INSTALL/s/-s//g' # Don't strip
+}
+
+src_configure() {
+	true # The configure script is useless
+}
+
+src_compile() {
+	emake \
+		PREFIX="/usr" \
+		LIBROOT="/usr/lib/${PN}" \
+		CC="$(tc-getCC)" \
+		CFLAGS="${CFLAGS} -DNDEBUG -DNAN_BOXING -DLIBDIR=/usr/lib/${PN}/lib" \
+		LDFLAGS="${LDFLAGS}"
+}
+
+src_install() {
+	emake PREFIX="${D}/usr" install
+	if use srfi; then
+		emake LIBROOT="${D}/usr/lib/${PN}" libinstall
+	fi
+	einstalldocs
+}