--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit toolchain-funcs
+
+DESCRIPTION="Estimated Locations of Pattern Hits - Motif finder program"
+LICENSE="Artistic"
+HOMEPAGE="http://cbcb.umd.edu/software/ELPH/"
+SRC_URI="ftp://ftp.cbcb.umd.edu/pub/software/elph/ELPH-${PV}.tar.gz"
+
+SLOT="0"
+IUSE=""
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
+
+S=${WORKDIR}/${PN^^}/sources
+
+PATCHES=( "${FILESDIR}/${PN}-1.0.1-fix-build-system.patch" )
+
+src_configure() {
+ tc-export CC CXX
+}
+
+src_install() {
+ dobin elph
+
+ cd "${WORKDIR}"/ELPH || die
+ dodoc VERSION
+ newdoc Readme.ELPH README
+}
--- /dev/null
+Make build system respect user variables
+
+--- a/Makefile
++++ b/Makefile
+@@ -1,42 +1,26 @@
+-CLASSDIR := .
+-
+-# Directories to search for header files
+-SEARCHDIRS := -I- -I${CLASSDIR}
+-
+-
+-SYSTYPE := $(shell uname)
+-
+-# C compiler
+-
+-CC := g++
+-CFLAGS = -Wall ${SEARCHDIRS} -fno-exceptions -fno-rtti -D_REENTRANT -g
++my_CPPFLAGS = -D_REENTRANT -I.
+
+ %.o : %.c
+- ${CC} ${CFLAGS} -c $< -o $@
++ $(CC) -Wall $(CFLAGS) $(my_CPPFLAGS) $(CPPFLAGS) -c $< -o $@
+
+ %.o : %.cc
+- ${CC} ${CFLAGS} -c $< -o $@
++ $(CXX) -Wall $(CXXFLAGS) $(my_CPPFLAGS) $(CPPFLAGS) -c $< -o $@
+
+ %.o : %.C
+- ${CC} ${CFLAGS} -c $< -o $@
++ $(CXX) -Wall $(CXXFLAGS) $(my_CPPFLAGS) $(CPPFLAGS) -c $< -o $@
+
+ %.o : %.cpp
+- ${CC} ${CFLAGS} -c $< -o $@
++ $(CXX) -Wall $(CXXFLAGS) $(my_CPPFLAGS) $(CPPFLAGS) -c $< -o $@
+
+ %.o : %.cxx
+- ${CC} ${CFLAGS} -c $< -o $@
++ $(CXX) -Wall $(CXXFLAGS) $(my_CPPFLAGS) $(CPPFLAGS) -c $< -o $@
+
+ # C/C++ linker
+-
+-LINKER := g++
+-LDFLAGS =
+-LOADLIBES :=
+-
+ .PHONY : all
+ all: elph
+
+-elph: ./elph.o ${CLASSDIR}/motif.o ${CLASSDIR}/GBase.o ${CLASSDIR}/GString.o ${CLASSDIR}/GArgs.o
+- ${LINKER} ${LDFLAGS} -o $@ ${filter-out %.a %.so, $^} ${LOADLIBES}
++elph: elph.o motif.o GBase.o GString.o GArgs.o
++ $(CXX) $(LDFLAGS) $(CXXFLAGS) -o $@ $^
+
+ # target for removing all object files
+