diff --git a/dev-cpp/ETL/ETL-1.5.0.ebuild b/dev-cpp/ETL/ETL-1.5.0.ebuild
new file mode 100644
index 0000000..891c3c1
--- /dev/null
+++ b/dev-cpp/ETL/ETL-1.5.0.ebuild
@@ -0,0 +1,32 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools
+
+DESCRIPTION="ETL is a multi-platform class and template library"
+HOMEPAGE="http://synfig.org"
+SRC_URI="https://github.com/synfig/synfig/archive/refs/tags/v${PV}.tar.gz -> synfigstudio-${PV}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+DEPEND=""
+RDEPEND="${DEPEND}"
+
+RESTRICT=test
+
+PATCHES=(
+	"${FILESDIR}"/synfigstudio-1.5.0-fix-cflags.patch
+)
+
+S="${WORKDIR}/synfig-${PV}/ETL"
+
+src_prepare() {
+	default
+
+	eautoreconf
+}
diff --git a/dev-cpp/ETL/Manifest b/dev-cpp/ETL/Manifest
index 0ee9fcd..e09473f 100644
--- a/dev-cpp/ETL/Manifest
+++ b/dev-cpp/ETL/Manifest
@@ -1 +1,2 @@
 DIST ETL-1.4.2.tar.gz 273617 BLAKE2B 87ae25a3e203f7778f8a5c59fa2da52cf782925f076df0ed6bfe819b43025430512c991b6f42caefb16f237285153daff614dfe02d948987a2192167f87ce427 SHA512 9a6f5adc784396a12ca020440658167e719509ace37b4059beb2376f426902b4b90adfef1f337bd1a376416bc6c34232929229d61ed527b5d8a8e3ee831d5120
+DIST synfigstudio-1.5.0.tar.gz 11633997 BLAKE2B fbdba1f310cabe105267a3aa90b94e0be76e36a238246f18e1e6e396e9eaefd79b7ac3dbe2075caddbb4c319e8a5e66850f1139925a61962431c230ab25e9e99 SHA512 a3beecdfae5508c6ccf0aa9ec44d817264266a5bb4b7dd580ade53c613658d34e5edc860c17ba5a2d7aa5c3c91a30bb8550b87623ccaad53a4b584cc93852c40
diff --git a/dev-cpp/ETL/files/synfigstudio-1.5.0-fix-cflags.patch b/dev-cpp/ETL/files/synfigstudio-1.5.0-fix-cflags.patch
new file mode 100644
index 0000000..0109cd0
--- /dev/null
+++ b/dev-cpp/ETL/files/synfigstudio-1.5.0-fix-cflags.patch
@@ -0,0 +1,23 @@
+Keep sed from mangling our CFLAGS
+especially -frecord-gcc-flags, which was half removed because it contains -g
+
+--- a/m4/subs.m4
++++ b/m4/subs.m4
+@@ -77,13 +77,13 @@
+ 	case "$debug" in
+ 		yes)
+ 			debug_flags="-D_DEBUG -g -O0"
+-			CXXFLAGS="`echo $CXXFLAGS | sed s:-O.::` $debug_flags -fno-inline"
+-			CFLAGS="`echo $CFLAGS | sed s:-O.::` $debug_flags"
++			CXXFLAGS="${CXXFLAGS} ${debug_flags} -fno-inline"
++			CFLAGS="${CFLAGS} ${debug_flags}"
+ 		;;
+ 		no|*)
+ 			debug_flags="-DNDEBUG"
+-			CXXFLAGS="`echo $CXXFLAGS | sed 's:-g[[a-z-]]*\s::g' | sed 's:-g[[a-z-]]*$::'` $debug_flags"
+-			CFLAGS="`echo $CFLAGS | sed 's:-g[[a-z-]]*\s::g' | sed 's:-g[[a-z-]]*$::'` $debug_flags"
++			CXXFLAGS="${CXXFLAGS} ${debug_flags}"
++			CFLAGS="${CFLAGS} ${debug_flags}"
+ 		;;
+ 	esac
+