sci-electronics/puff: EAPI7, improve ebuild

Closes: https://github.com/gentoo/gentoo/pull/9162

sci-electronics/puff/puff-20100127-r1.ebuild

@@ -0,0 +1,47 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit flag-o-matic
+
+DESCRIPTION="microwave CAD software"
+HOMEPAGE="http://wwwhome.cs.utwente.nl/~ptdeboer/ham/puff/"
+SRC_URI="http://wwwhome.cs.utwente.nl/~ptdeboer/ham/${PN}/${P}.tgz"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="x11-libs/libX11"
+DEPEND="${RDEPEND}
+	dev-lang/fpc"
+
+src_prepare() {
+	default
+	# fix lib path for X11 and dont ignore LDFLAGS
+	sed -i -e "s#lib\\\/#$(get_libdir)\\\/#" \
+		-e 's/CFLAGS/#CFLAGS/' \
+		-e 's/link.res pu/link.res $(LDFLAGS) pu/' Makefile || die
+}
+
+src_compile() {
+	LDFLAGS="$(raw-ldflags)"
+	emake -j1
+}
+
+src_install() {
+	dobin puff
+
+	dodoc changelog.txt README.txt
+	newdoc "Puff Manual.pdf" Puff_Manual.pdf
+
+	insinto /usr/share/${PN}
+	doins setup.puf
+	doins -r orig_dev_and_puf_files
+}
+
+pkg_postinst() {
+	elog "You must copy /usr/share/${PN}/setup.puf into your working directory"
+	elog "before using the program."
+}