diff --git a/sci-astronomy/wcslib/Manifest b/sci-astronomy/wcslib/Manifest
index d42974ef89bd7..ecd92c3235f65 100644
--- a/sci-astronomy/wcslib/Manifest
+++ b/sci-astronomy/wcslib/Manifest
@@ -1,2 +1,3 @@
 DIST wcslib-7.3.1.tar.bz2 2434274 BLAKE2B 9789a8eb34fe37c96b52e20efe3c14368499058e5c46aad4853b2be5f32a31df26525ec2c38d0ce87bcb7891b91a3ec3ac537e3c662c716a7c4381f26cd715e4 SHA512 753e0e202fb4250d321c36a0df9cd45ed88697111a06e108bc3e5397ddecc60d460cda2b4d45b5311dd72b88b66d4c70ff150b03e2da46c834b024f15304779b
 DIST wcslib-7.3.tar.bz2 2435669 BLAKE2B c0f641b4c2fdd9d332816195f399eb2ab3c5aa585f08c4857af77bd5ed4074e653663f7cbddc6d7678cd85bed2c0bd95719cd83a5138d21ad24841396d4c11b9 SHA512 8c98c4b575056e2d966b77a4bc951256d02ecee3a11847e140fd38d93afd0f76b3e906d590c952dc9fc58ceeb1ba062b19d8e1e676ee0032f5b7ed13a9dfa892
+DIST wcslib-7.4.tar.bz2 2446483 BLAKE2B e659e0f7d4aa54d599c1300f600bc8b7b56d672fa715be1e7c3ade4ff6eebaf68a2894dac73032b1f3aee5965254f359681718c93949962f4a59bdda448d5395 SHA512 3696f59bf15f3806faff2441250f8ae38bfbbc1e2e25404c9480c82629472521d89306d9340475ea4691c5e1a8417be3f058b4a01b49c9a45e0e718056a9394c
diff --git a/sci-astronomy/wcslib/wcslib-7.4.ebuild b/sci-astronomy/wcslib/wcslib-7.4.ebuild
new file mode 100644
index 0000000000000..660f7f5a83cf5
--- /dev/null
+++ b/sci-astronomy/wcslib/wcslib-7.4.ebuild
@@ -0,0 +1,69 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+FORTRAN_NEEDED=fortran
+
+inherit flag-o-matic fortran-2
+
+DESCRIPTION="Astronomical World Coordinate System transformations library"
+HOMEPAGE="https://www.atnf.csiro.au/people/mcalabre/WCS/"
+SRC_URI="ftp://ftp.atnf.csiro.au/pub/software/${PN}/${P}.tar.bz2"
+
+SLOT="0/7"
+LICENSE="LGPL-3"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc fortran fits pgplot static-libs +tools"
+
+RDEPEND="
+	fits? ( sci-libs/cfitsio:0= )
+	pgplot? ( sci-libs/pgplot:0= )"
+DEPEND="${RDEPEND}
+	sys-devel/flex
+	virtual/pkgconfig"
+
+src_configure() {
+	# workaround until upstream fix it properly
+	append-fflags -fallow-argument-mismatch
+
+	local myconf=(
+		--docdir="${EPREFIX}"/usr/share/doc/${PF}
+		--htmldir="${EPREFIX}"/usr/share/doc/${PF}
+		$(use_enable fortran)
+		$(use_enable tools utils)
+	)
+	# hacks because cfitsio and pgplot directories are hard-coded
+	if use fits; then
+		myconf+=(
+			--with-cfitsioinc="${EPREFIX}/usr/include"
+			--with-cfitsiolib="${EPREFIX}/usr/$(get_libdir)"
+		)
+	else
+		myconf+=( --without-cfitsio )
+	fi
+	if use pgplot; then
+		myconf+=(
+			--with-pgplotinc="${EPREFIX}/usr/include"
+			--with-pgplotlib="${EPREFIX}/usr/$(get_libdir)"
+		)
+	else
+		myconf+=( --without-pgplot )
+	fi
+	econf ${myconf[@]}
+	sed -i -e 's/COPYING\*//' GNUmakefile || die
+}
+
+src_test() {
+	emake check
+}
+
+src_install () {
+	default
+	# static libs share the same symbols as shared (i.e. compiled with PIC)
+	# so they are not compiled twice
+	use static-libs || rm "${ED}"/usr/$(get_libdir)/lib*.a
+	use doc || rm -r \
+		"${ED}"/usr/share/doc/${PF}/html \
+		"${ED}"/usr/share/doc/${PF}/*.pdf
+}