--- /dev/null
+diff -ruN a/GUI/xephem/Makefile b/GUI/xephem/Makefile
+--- a/GUI/xephem/Makefile 2015-08-09 22:36:50.000000000 +0100
++++ b/GUI/xephem/Makefile 2016-01-24 09:34:24.378578717 +0000
+@@ -10,9 +10,9 @@
+ # one executable, xephem.
+
+ # These -I and -L flags point to the supporting XEphem libraries
+-LIBINC = -I../../libastro -I../../libip -I../../liblilxml -I../../libjpegd -I../../libpng -I../../libz
+-LIBLNK = -L../../libastro -L../../libip -L../../liblilxml -L../../libjpegd -L../../libpng -L../../libz
+-LIBLIB = -lastro -lip -llilxml -ljpegd -lpng -lz
++LIBINC = -I../../libastro -I../../libip -I../../liblilxml
++LIBLNK = -L../../libastro -L../../libip -L../../liblilxml
++LIBLIB = -lastro -lip -llilxml -ljpeg -lpng -lz
+
+ # MOTIFI is the directory containing the Xm directory of include files.
+ # MOTIFL is the directory containing the libXm.a library.
+@@ -30,12 +30,9 @@
+ endif
+
+ # for linux and Apple OS X
+-CC = gcc
+-CLDFLAGS = -g
+-CFLAGS = $(LIBINC) $(CLDFLAGS) -O2 -Wall -I$(MOTIFI) -I/opt/X11/include
+-LDFLAGS = $(LIBLNK) $(CLDFLAGS) -L$(MOTIFL) -L/opt/X11/lib
+ XLIBS = -lXm -lXp -lXt -lXext -lXmu -lX11
+-LIBS = $(XLIBS) $(LIBLIB) -lm
++CFLAGS := $(LIBINC) $(CFLAGS)
++LIBS = $(LIBLNK) $(XLIBS) $(LIBLIB) -lm
+
+ # static linking on Apple using X11 libs from ports
+ # CC = gcc
+@@ -68,9 +65,9 @@
+ # MOTIFI = -I/usr/include
+ # MOTIFL = -L/usr/lib
+ # CC = cc
+-# CLDFLAGS =
++# CLDFLAGS =
+ # CFLAGS = $(LIBINC) $(CLDFLAGS) -O -I$(MOTIFI)
+-# LDFLAGS = $(LIBLNK) $(CLDFLAGS) -L$(MOTIFL)
++# LDFLAGS = $(LIBLNK) $(CLDFLAGS) -L$(MOTIFL)
+ # XLIBS = -lXm -lXt -lX11
+ # LIBS = $(XLIBS) $(LIBLIB) -lsocket -lnsl -lc -lm /usr/ucblib/libucb.a
+ # Note: if you get regex undefined, add -lgen to the end of LIBS.
+@@ -195,12 +192,9 @@
+ nroff -man $? > $@
+
+ libs:
+- cd ../../libastro; make
+- cd ../../libip; make
+- cd ../../libjpegd; make
+- cd ../../liblilxml; make
+- cd ../../libpng; make
+- cd ../../libz; make
++ $(MAKE) -C ../../libastro
++ $(MAKE) -C ../../libip
++ $(MAKE) -C ../../liblilxml
+
+ clean:
+ rm -fr *.o ../../lib*/*.[ao]
+diff -ruN a/libastro/Makefile b/libastro/Makefile
+--- a/libastro/Makefile 2006-02-24 03:37:31.000000000 +0000
++++ b/libastro/Makefile 2016-01-24 09:30:28.745982455 +0000
+@@ -4,8 +4,6 @@
+ # compiler and flags
+
+ # gcc
+-CC = gcc
+-CFLAGS= -O2 -Wall
+
+ # macosx universal binary
+ # CFLAGS= -O2 -Wall -arch i386 -arch ppc
+@@ -83,11 +81,11 @@
+ vsop87_data.o
+
+ libastro.a: $(HS) $(OBJS)
+- ar rv $@ $(OBJS)
+- ranlib $@
++ $(AR) rv $@ $(OBJS)
++ $(RANLIB) $@
+
+ libastro.so: $(HS) $(OBJS)
+- $(CC) -shared -o $@ $(OBJS)
++ $(CC) $(LDFLAGS) -shared -o $@ $(OBJS)
+
+ clobber:
+ rm -f *.o libastro.a
+diff -ruN a/libip/Makefile b/libip/Makefile
+--- a/libip/Makefile 2009-01-05 20:53:46.000000000 +0000
++++ b/libip/Makefile 2016-01-24 09:30:28.745982455 +0000
+@@ -2,8 +2,7 @@
+ # (C) 2001 Elwood Charles Downey
+
+ # gcc
+-CC = gcc
+-CFLAGS= -I../libastro -O2 -Wall
++CFLAGS += -I../libastro
+
+ # macosx universal binary
+ # CFLAGS= -I../libastro -O2 -Wall -arch i386 -arch ppc
+@@ -36,11 +35,11 @@
+ HS = ip.h fsmatch.h
+
+ libip.a: $(HS) $(OBJS)
+- ar rv $@ $(OBJS)
+- ranlib $@
++ $(AR) rv $@ $(OBJS)
++ $(RANLIB) $@
+
+ libip.so: $(OBJS)
+- gcc -shared -o $@ $(OBJS)
++ $(CC) $(LDFLAGS) -shared -o $@ $(OBJS)
+
+ clobber:
+ rm -f *.o libip.a
+diff -ruN a/liblilxml/Makefile b/liblilxml/Makefile
+--- a/liblilxml/Makefile 2006-02-24 03:37:32.000000000 +0000
++++ b/liblilxml/Makefile 2016-01-24 09:30:28.745982455 +0000
+@@ -4,8 +4,6 @@
+ # compiler and flags
+
+ # gcc
+-CC = gcc
+-CFLAGS= -O2 -Wall
+
+ # macosx universal binary
+ # CFLAGS= -O2 -Wall -arch i386 -arch ppc
+@@ -27,8 +25,8 @@
+ OBJS = lilxml.o base64.o
+
+ liblilxml.a: $(HS) $(OBJS)
+- ar r $@ $(OBJS)
+- ranlib $@
++ $(AR) r $@ $(OBJS)
++ $(RANLIB) $@
+
+ liltest: liltest.o liblilxml.a
+ $(CC) $(LDFLAGS) -o liltest liltest.o liblilxml.a
--- /dev/null
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit eutils toolchain-funcs
+
+DESCRIPTION="Interactive tool for astronomical ephemeris and sky simulation"
+HOMEPAGE="http://www.clearskyinstitute.com/xephem"
+SRC_URI="http://97.74.56.125/free/${P}.tar.gz"
+
+LICENSE="XEphem"
+SLOT=0
+KEYWORDS="~amd64 ~ppc ~ppc64 ~x86 ~x86-fbsd ~amd64-linux ~x86-linux"
+IUSE=""
+
+RDEPEND=">=x11-libs/motif-2.3:0
+ virtual/jpeg:0=
+ media-libs/libpng:0="
+DEPEND="${RDEPEND}
+ sys-apps/groff"
+
+PATCHES=(
+ "${FILESDIR}/${P}-respect_env_vars.patch"
+ "${FILESDIR}/${P}-implicits.patch"
+)
+
+src_prepare() {
+ default
+ echo > "${T}"/XEphem "XEphem.ShareDir: /usr/share/${PN}"
+ echo > "${T}"/99xephem "XEHELPURL=/usr/share/doc/${PF}/html/xephem.html"
+}
+
+src_compile() {
+ tc-export CC AR RANLIB
+ emake -C GUI/xephem
+}
+
+src_install() {
+ insinto /usr/share/X11/app-defaults
+ has_version '<x11-base/xorg-x11-7.0' && insinto /etc/X11/app-defaults
+ doins "${T}"/XEphem
+ doenvd "${T}"/99xephem
+ dodoc README
+
+ cd GUI/xephem
+ dobin xephem
+ doman xephem.1
+ newicon XEphem.png ${PN}.png
+ insinto /usr/share/${PN}
+ doins -r auxil catalogs fifos fits gallery lo
+ insinto /usr/share/doc/${PF}/html
+ doins -r help/*
+ make_desktop_entry xephem XEphem ${PN}
+}