diff --git a/dev-embedded/sdcc/Manifest b/dev-embedded/sdcc/Manifest
index b73effa..204ccee 100644
--- a/dev-embedded/sdcc/Manifest
+++ b/dev-embedded/sdcc/Manifest
@@ -1,9 +1,12 @@
 AUX sdcc-3.8.0-override-override.patch 1078 BLAKE2B f1e1e135b9ee972e8f7f6a08af736de227c8534d181f160b00f6eecef0e7f4366e39fc5a8f6034bfffa64531423d28377c778055d6be8671527971ce183ebab5 SHA512 fbc13832bea859409f2ae525a82927424dd474db9c6077d1311b9775d0a4a8728d79db7465c928271faa54221b53982ee539537e4fe8a70209c0f453b95105aa
 DIST sdcc-doc-3.6.0.tar.bz2 1016273 BLAKE2B e2f0f90cfe47f08466c859ba63efe85a5047139c0cc4394148c0d78b84d2ee9ad64611279bad8bd92fda9dd67d22a65bd10fadc4142c2817510f075c26d0c55b SHA512 3fce1508e10321f00d209fc25c716a08726c3fd5c714c727b8db458da81450463a67f40079f310c1e4236dda7bb8873223f1b77414a8e1a3df19b6ed52baddbd
 DIST sdcc-doc-4.0.0.tar.bz2 980999 BLAKE2B 6f9478c095e6b4fec27c6ab7a10a8564ae46d754709848b3a7a26a7a2dfecd3833ce3cfe7a41f9033b5a34a1b6e962090d91c9688294dd347e1c98658761c019 SHA512 83bed77b46ad2f028725a3ffe6090d71185f73d4e99c241e7ebd1c509ba1be1911f4b9130c344fa4eb928f48122179b6b71e9d5a27d9f18ff74017c61fae77ff
+DIST sdcc-doc-4.1.0.tar.bz2 991207 BLAKE2B fd1ab82c8cc65031a8231bc4aba1e0562ed4b3178612a4d915568cb5600ba9159d89f905e261e860da9e0f4aa5a24fbd7ab1364f2f9f7b3078bcf3aa01d71ba5 SHA512 01686e590d0168108099d3c6c9bdb0885a25abccc9b6c87739eafec7103054424da1a5960a8d4566462dca9bf00cdd8b103ab6026523833d9aaa4d4bcdc5b620
 DIST sdcc-src-3.6.0.tar.bz2 17993788 BLAKE2B 2a03e5f8d270206812c9f66334bf1c20dd8c5824e16db1bf0b0e31c6b8d0d7d6f582d942f61e00320442ed4f48577fc404e1917fc5b2733bba86de246d3e9743 SHA512 fd05cf13f7acf0b71a35a99f99dc6ef8abcb4f41fbe1ab0cf25348842b57317217410b4a521ea1a70db93d8e7e4e6dac272ec14d893cdbcfa584ee963f42ad2f
 DIST sdcc-src-4.0.0.tar.bz2 19204540 BLAKE2B 2192a7dc7418826440209dd8c7a73fd5ced491b799975b953368daeabb429327a6c518a1212a2fd49c34c6e5ab7d84f240cbf6ff8b3779e2d38f5ad81499ee71 SHA512 41a92711a9278261879caec1a01425104b7c75346b3c6ad9617cab025309c9b38f79eea2d04122f5ae6ce273fcd61fbde8a0d23756313a4593394230b51a1d4c
+DIST sdcc-src-4.1.0.tar.bz2 19400609 BLAKE2B 9754d70026af595a5456f0d7c1b375df2716c6400ca59affcadbfd3588f4d51c45a3d52c235d6efc9b7512b5f94f023d8d2964cc0365cdff4586edf71fc51af1 SHA512 a9c3fee427cbc66b56a286c8d66b2922f79c9dfb42d2ed2843b2e192a6b314a04de4c82f1083d8625b49756b5f1d99f8fb706402b5f1284110760ec346303779
 EBUILD sdcc-3.6.0.ebuild 3306 BLAKE2B 625516717c5a0347d31cc8abf2e23287d922f15e68a994e3e768ccb4b1324e9c4aa8a90fc9ba0a89e65637a5668e45ab33af8072136e92f6b0ebe027183bc352 SHA512 f770eda02c29b97b536114ee672c8d8cf47c286bd6f5c5f1bb05cda61d57afda8724938228696e04e352e472ebf661857d9ad714b31c9c8c997f37f0fefa8564
 EBUILD sdcc-4.0.0-r1.ebuild 3521 BLAKE2B 48ad40b6ffc3271110075e3ba18c468335d24eed4c15c7580f257fd6261890529a95e5291b205be3ce2480436371bcb00141a7e99bccdbecc2ef7a39d6f65d20 SHA512 4a84125b1c5193eb618b76bd7ca6c948f6204dba654c1209513214bf9a01698c49b6163f8433150b2c149529484300d157baa8adfa681f1aee801f3c514fed3e
 EBUILD sdcc-4.0.0.ebuild 3467 BLAKE2B f91878482f72eb29c13fbd59ff1689254612dca9d249323e44264ef1d4b332fa7801da0207ebd7f54bf40c454023a696cf0c31720a043456d9ab5f31b81013b0 SHA512 21222a73d804a3f56c36845ae4ea0dad4319df6550c0081c82d740b8aeaeb16fe03451fbe27ce5a97b63e4854fee299b3876b9fcd08fb5872ed0a02476eade30
+EBUILD sdcc-4.1.0.ebuild 3677 BLAKE2B d34aab5e78d263f0fb2f48755b40b5ef533fb64a5c3119da3c32eaa904f2a31b2dcb5e01ecaedbe98962fccc684ffd25955e1c6a6851d32251da5522b96007f4 SHA512 255c826df7458b7b834626e15a75ef4e129fd7f0516e84f551af0032395f905183e5867fab6e8b46ce4be82393cbf5d834722bae6588cadcde2412e585fae5ef
 MISC metadata.xml 2212 BLAKE2B 23e83037b2a6e932760e7f0eafdd34230c035dd5a5833335db0ea9c4c1e04e62e69a920e2c2f3492d45ddc014c76450ad05b4d7794d66cca261e294ac20555a0 SHA512 4af2667ae3006548904e9e13894a49c277744d6876e0a99c99e8ea2e89c9e3fc277cf851ae0856b3c3b64f41ef7fd7c255f1bb4f9f42de8917aad7c59e25a0f0
diff --git a/dev-embedded/sdcc/sdcc-4.1.0.ebuild b/dev-embedded/sdcc/sdcc-4.1.0.ebuild
new file mode 100644
index 0000000..d7f8202
--- /dev/null
+++ b/dev-embedded/sdcc/sdcc-4.1.0.ebuild
@@ -0,0 +1,163 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools toolchain-funcs
+
+if [[ ${PV} == "9999" ]] ; then
+	ESVN_REPO_URI="https://svn.code.sf.net/p/sdcc/code/trunk/sdcc"
+	inherit subversion
+else
+	SRC_URI="
+		mirror://sourceforge/sdcc/${PN}-src-${PV}.tar.bz2
+		doc? ( mirror://sourceforge/sdcc/${PN}-doc-${PV}.tar.bz2 )
+	"
+	S="${WORKDIR}/sdcc"
+
+	KEYWORDS="~amd64 ~x86"
+fi
+
+DESCRIPTION="Small device C compiler (for various microprocessors)"
+HOMEPAGE="http://sdcc.sourceforge.net/"
+
+LICENSE="
+	GPL-2 ZLIB
+	non-free? ( MicroChip-SDCC )
+	packihx? ( public-domain )
+"
+SLOT="0"
+# in order of configure.ac's AC_DO_PORT stanzas
+SDCC_PORTS="
+	avr
+	mcs51
+	z80 z180
+	r2k r2ka r3ka
+	gbz80
+	tlcs90
+	ez80-z80
+	z80n
+	ds390 ds400
+	pic14 pic16
+	hc08
+	s08
+	stm8
+	pdk13 pdk14 pdk15 pdk16
+"
+IUSE="
+	${SDCC_PORTS}
+	+boehm-gc device-lib doc non-free packihx +sdbinutils sdcdb +sdcpp ucsim
+"
+
+for port in ${SDCC_PORTS}; do
+REQUIRED_USE="${REQUIRED_USE}
+	${port}? ( sdbinutils )
+"
+done
+REQUIRED_USE="${REQUIRED_USE}
+	|| ( ${SDCC_PORTS} )
+"
+
+RESTRICT="strip"
+
+RDEPEND="
+	dev-libs/boost:=
+	sys-libs/ncurses:=
+	sys-libs/readline:0=
+	pic14? ( >=dev-embedded/gputils-0.13.7 )
+	pic16? ( >=dev-embedded/gputils-0.13.7 )
+	boehm-gc? ( dev-libs/boehm-gc:= )
+	!dev-embedded/sdcc-svn
+"
+DEPEND="
+	${RDEPEND}
+	dev-util/gperf
+"
+PATCHES=(
+	"${FILESDIR}"/${PN}-3.8.0-override-override.patch
+)
+
+src_prepare() {
+	# Fix conflicting variable names between Gentoo and sdcc
+	find \
+		'(' -name 'Makefile*.in' -o -name 'configure' ')' \
+		-exec sed -r -i \
+			-e 's:\<(PORTDIR|ARCH)\>:SDCC\1:g' \
+			{} + || die
+
+	# Make sure timestamps don't get messed up.
+	[[ ${PV} == "9999" ]] && find "${S}" -type f -exec touch -r . {} +
+
+	default
+	eautoreconf
+
+	# Avoid 'bfd.info' rebuild with 'makeinfo': bug #705424
+	# Build dependencies are: eautoreconf->Makefile.in->bfdver.texi->bfd.info
+	touch support/sdbinutils/bfd/doc/bfdver.texi || die
+	touch support/sdbinutils/bfd/doc/bfd.info || die
+}
+
+src_configure() {
+	# sdbinutils subdir doesn't pass down --docdir properly, so need to
+	# expand $(datarootdir) ourselves.
+	unset ARCH
+	econf \
+		ac_cv_prog_AR="$(tc-getAR)" \
+		ac_cv_prog_AS="$(tc-getAS)" \
+		ac_cv_prog_STRIP=true \
+		$(use_enable boehm-gc libgc) \
+		$(use_enable device-lib) \
+		$(use_enable non-free) \
+		$(use_enable packihx) \
+		$(use_enable sdbinutils) \
+		$(use_enable sdcdb) \
+		$(use_enable sdcpp) \
+		$(use_enable ucsim) \
+		\
+		$(use_enable avr avr-port) \
+		$(use_enable mcs51 mcs51-port) \
+		$(use_enable z80 z80-port) \
+		$(use_enable z180 z180-port) \
+		$(use_enable r2k r2k-port) \
+		$(use_enable r2ka r2ka-port) \
+		$(use_enable r3ka r3ka-port) \
+		$(use_enable gbz80 gbz80-port) \
+		$(use_enable tlcs90 tlcs90-port) \
+		$(use_enable ez80-z80 ez80_z80-port) \
+		$(use_enable z80n z80n-port) \
+		$(use_enable ds390 ds390-port) \
+		$(use_enable ds400 ds400-port) \
+		$(use_enable pic14 pic14-port) \
+		$(use_enable pic16 pic16-port) \
+		$(use_enable hc08 hc08-port) \
+		$(use_enable s08 s08-port) \
+		$(use_enable stm8 stm8-port) \
+		$(use_enable pdk13 pdk13-port) \
+		$(use_enable pdk14 pdk14-port) \
+		$(use_enable pdk15 pdk15-port) \
+		$(use_enable pdk16 pdk16-port) \
+		\
+		--disable-doc \
+		--without-ccache
+}
+
+src_compile() {
+	unset ARCH
+	default
+}
+
+src_install() {
+	default
+	dodoc doc/*.txt
+	find "${D}" -name .deps -exec rm -rf {} + || die
+
+	if use doc && [[ ${PV} != "9999" ]]; then
+		cd "${WORKDIR}"/doc
+		dodoc -r *
+	fi
+
+	# a bunch of archives (*.a) are built & installed by gputils
+	# for PIC processors, but they do not work with standard `ar`
+	# & `scanelf` utils and they're not for the host.
+	dostrip -x /usr/bin
+}