diff --git a/sci-geosciences/gmt/Manifest b/sci-geosciences/gmt/Manifest
new file mode 100644
index 0000000..68d264e
--- /dev/null
+++ b/sci-geosciences/gmt/Manifest
@@ -0,0 +1,7 @@
+DIST dcw-gmt-1.1.4.tar.gz 21117179 BLAKE2B d5aebb5251ddcb82a6df28a9ac0a8e37ad45a8ef48bdf5e777c85f7194af7710e83e7ff3a204a9325d7b9c62ad3e3d41008f106c127a8d710f29a4b9bcb10c13 SHA512 3ea64ce9cc162030b40da859e8617e6c724c3529a57d2e6ae8dc311b4397532d8946aac7f66f49707dc85d046e892faa77bf1293a66c949fdf0473028dc4beeb
+DIST gmt-5.4.5-src.tar.gz 70815709 BLAKE2B 894bad9011f980cf67cd65174ab1fb967b8c855a08eb3d6f0ea52d48e29d1e1317ba3c2e6b90772c89668e775de3b0ee42cf46fa1e8c5937e69467a625001580 SHA512 d5b9e8452ddfb5afba51c2ec3ec2e253c6556392bf9027ff11329ce2a1d2c921f81f0a95dc0dd4821dae42ee53d3202435bb0362ccc51762bad428ba37cbba0d
+DIST gshhg-gmt-2.3.7.tar.gz 57052180 BLAKE2B 5b618c874cca97da819263c3c436db1235d3293712a72c21ac4ca3ae78e95b5d36915312de3df361f978b14c697884ca278bebc41ac4c1d054adda6c417eb5b9 SHA512 27e97efe9d146a58d1c6674c5b6cde6b7545be60c1f7d3d93faca1034986d1648e73b589de571897fc53cd0d050a5875dcc9923e3f861f8473ca568a8142d727
+EBUILD gmt-5.4.5.ebuild 1706 BLAKE2B 9f4bb692485a0c30f3492f97a34fc9819e40964809a6c6e18efc2a43263076d70f968f01558b92ad14999c04d967f106b69655edb18d2973b4e39b309d259193 SHA512 c470933d95bdb73840ef69a86a10063d20f422454963f582cb6f3265df690d401308162728b6669923781057128720ffa8ade86ba9e99da9ddd3cf496029cd79
+MISC dcw-gmt-1.1.4.tar.gz 21117179 BLAKE2B d5aebb5251ddcb82a6df28a9ac0a8e37ad45a8ef48bdf5e777c85f7194af7710e83e7ff3a204a9325d7b9c62ad3e3d41008f106c127a8d710f29a4b9bcb10c13 SHA512 3ea64ce9cc162030b40da859e8617e6c724c3529a57d2e6ae8dc311b4397532d8946aac7f66f49707dc85d046e892faa77bf1293a66c949fdf0473028dc4beeb
+MISC gmt-5.4.5-src.tar.gz 70815709 BLAKE2B 894bad9011f980cf67cd65174ab1fb967b8c855a08eb3d6f0ea52d48e29d1e1317ba3c2e6b90772c89668e775de3b0ee42cf46fa1e8c5937e69467a625001580 SHA512 d5b9e8452ddfb5afba51c2ec3ec2e253c6556392bf9027ff11329ce2a1d2c921f81f0a95dc0dd4821dae42ee53d3202435bb0362ccc51762bad428ba37cbba0d
+MISC gshhg-gmt-2.3.7.tar.gz 57052180 BLAKE2B 5b618c874cca97da819263c3c436db1235d3293712a72c21ac4ca3ae78e95b5d36915312de3df361f978b14c697884ca278bebc41ac4c1d054adda6c417eb5b9 SHA512 27e97efe9d146a58d1c6674c5b6cde6b7545be60c1f7d3d93faca1034986d1648e73b589de571897fc53cd0d050a5875dcc9923e3f861f8473ca568a8142d727
diff --git a/sci-geosciences/gmt/gmt-5.4.5.ebuild b/sci-geosciences/gmt/gmt-5.4.5.ebuild
new file mode 100644
index 0000000..6369fb8
--- /dev/null
+++ b/sci-geosciences/gmt/gmt-5.4.5.ebuild
@@ -0,0 +1,76 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit cmake-utils
+
+GSHHG="gshhg-gmt-2.3.7"
+DCW="dcw-gmt-1.1.4"
+
+DESCRIPTION="Powerful map generator"
+HOMEPAGE="http://gmt.soest.hawaii.edu/"
+SRC_URI="
+	mirror://gmt/${P}-src.tar.gz
+	mirror://gmt/${GSHHG}.tar.gz
+	mirror://gmt/${DCW}.tar.gz"
+
+IUSE="debug +fftw +gpl lgpl pcre +threads"
+
+LICENSE="LGPL-3 gpl? ( GPL-3 )
+		!gpl? ( !lgpl? ( Shewchuk ) )"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="
+	!sci-biology/probcons
+	app-text/ghostscript-gpl
+	sci-libs/gdal
+	sci-libs/netcdf[hdf5]
+	fftw? ( sci-libs/fftw:3.0 )
+	pcre? ( dev-libs/libpcre )
+	threads? ( dev-libs/glib:2 )"
+DEPEND="${RDEPEND}"
+
+REQUIRED_USE="?? ( gpl lgpl ( !gpl !lgpl ) )"
+
+src_prepare() {
+	default
+
+	mkdir "${S}/share/coast" || die
+	mv -f "${WORKDIR}/${GSHHG}/"*.nc "${S}/share/coast/" || die
+}
+
+src_configure() {
+	license_restrict=off
+	if use gpl ; then
+		license_restrict=GPL
+	elif use lgpl ; then
+		license_restrict=LGPL
+	fi
+
+	local mycmakeargs=(
+		-DGSHHG_ROOT="${WORKDIR}/${GSHHG}"
+		-DDCW_ROOT="${WORKDIR}/${DCW}"
+		-DLICENSE_RESTRICTED=${license_restrict}
+		-DGMT_INSTALL_RELOCATABLE=true
+		-DGMT_INSTALL_TRADITIONAL_FOLDERNAMES=off
+		-DGMT_INSTALL_NAME_SUFFIX="-${PV}"
+		-DCMAKE_DISABLE_FIND_PACKAGE_GDAL=off
+		-DGMT_USE_THREADS=$(usex threads)
+		$(cmake-utils_use_find_package pcre PCRE)
+		$(cmake-utils_use_find_package fftw FFTW3)
+	)
+
+	cmake-utils_src_configure
+}
+
+src_install() {
+	cmake-utils_src_install
+
+	#dobashcomp "${D}/usr/etc/bash_completion.d/gmt_completion.bash"
+	#rm "${D}/usr/etc/bash_completion.d/gmt_completion.bash" || die
+	#rmdir "${D}/usr/etc/bash_completion.d" \
+	#	"${D}/usr/etc" || die
+}