diff --git a/dev-scheme/elk/elk-3.99.8-r3.ebuild b/dev-scheme/elk/elk-3.99.8-r3.ebuild
new file mode 100644
index 0000000000000..49bf62511993c
--- /dev/null
+++ b/dev-scheme/elk/elk-3.99.8-r3.ebuild
@@ -0,0 +1,54 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools flag-o-matic toolchain-funcs
+
+DESCRIPTION="Scheme implementation designed to be embeddable extension to C/C++ applications"
+HOMEPAGE="http://sam.zoy.org/elk/"
+SRC_URI="http://sam.zoy.org/elk/${P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-implicit-int-incompat-ptr.patch
+	"${FILESDIR}"/${P}-implicit-function.patch
+	"${FILESDIR}"/${P}-c99-build-fix.patch
+	"${FILESDIR}"/${P}-makefile-ordering.patch
+	"${FILESDIR}"/${P}-fpurge.patch
+)
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+src_configure() {
+	#uses functional polymorphism, can't be ported to C23
+	append-cflags -std=gnu17
+
+	econf --disable-static
+}
+
+src_test() {
+	# gc test is noted flakey and always fails when build with clang
+	if tc-is-gcc; then
+		emake check
+	fi
+}
+
+src_install() {
+	# parallel install is broken
+	emake -j1 DESTDIR="${D}" \
+		docsdir="${EPREFIX}"/usr/share/doc/${PF} \
+		examplesdir="${EPREFIX}"/usr/share/doc/${PF}/examples \
+		install
+	einstalldocs
+	docompress -x /usr/share/doc/${PF}
+
+	# no static archives
+	find "${D}" -name '*.la' -delete || die
+}
diff --git a/dev-scheme/elk/files/elk-3.99.8-fpurge.patch b/dev-scheme/elk/files/elk-3.99.8-fpurge.patch
new file mode 100644
index 0000000000000..d621a23d2f42a
--- /dev/null
+++ b/dev-scheme/elk/files/elk-3.99.8-fpurge.patch
@@ -0,0 +1,36 @@
+Inspired by https://github.com/gentoo/gentoo/commit/cd306dc1d9273c423759a74166f9805ac8e8b5dd
+Fix fpurge on musl
+https://bugs.gentoo.org/936285
+--- a/configure.ac
++++ b/configure.ac
+@@ -316,7 +316,7 @@
+ #    tiocflush   use TIOCFLUSH ioctl from <sys/ioctl.h>
+ #    tcflsh      use TCFLSH ioctl from <termio.h>
+ # Leave the variable(s) empty if flushing is not supported.
+-AC_CHECK_FUNCS(fpurge)
++AC_CHECK_DECLS(fpurge)
+ 
+ AC_CACHE_CHECK([for BSD-style flushing],
+   [ac_cv_have_bsd_flush],
+--- a/src/print.c
++++ b/src/print.c
+@@ -205,7 +205,7 @@
+     if (PORT(port)->flags & P_STRING)
+         return;
+     f = PORT(port)->file;
+-#if defined(HAVE_FPURGE)
++#if HAVE_DELC_FPURGE
+     (void)fpurge (f);
+ #elif defined(HAVE_BSD_FLUSH)
+     f->_cnt = 0;
+--- a/src/read.c
++++ b/src/read.c
+@@ -144,7 +144,7 @@
+     if (PORT(port)->flags & P_STRING)
+         return;
+     f = PORT(port)->file;
+-#if defined(HAVE_FPURGE)
++#if HAVE_DECL_FPURGE
+     (void)fpurge (f);
+ #elif defined(HAVE_BSD_FLUSH)
+     f->_cnt = 0;
diff --git a/dev-scheme/elk/files/elk-3.99.8-makefile-ordering.patch b/dev-scheme/elk/files/elk-3.99.8-makefile-ordering.patch
new file mode 100644
index 0000000000000..95fa97fb023a0
--- /dev/null
+++ b/dev-scheme/elk/files/elk-3.99.8-makefile-ordering.patch
@@ -0,0 +1,23 @@
+Fix ordering problems, allow parallel build.
+https://bugs.gentoo.org/880349
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -1,6 +1,6 @@
+ NULL = 
+ 
+-SUBDIRS = include src lib scm doc examples test
++SUBDIRS = . include src lib scm doc examples test
+ DIST_SUBDIRS = $(SUBDIRS)
+ 
+ EXTRA_DIST = \
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -66,7 +66,7 @@
+ 	$(NULL)
+ 
+ bin_PROGRAMS = elk
+-elk_LDADD = $(top_builddir)/src/libelk.la
++elk_LDADD = libelk.la
+ elk_SOURCES = main.c
+ 
+ install-exec-hook: