sci-electronics/yosys: fixes yosys-config and pre-strip

- fix yosys-config (e.g. for ghdl-yosys-plugin)
- do not pre-strip

Closes: https://github.com/gentoo/guru/pull/184
Signed-off-by: Huang Rui <vowstar@gmail.com>

sci-electronics/yosys/yosys-0.40-r1.ebuild

@@ -25,16 +25,15 @@ RDEPEND="
 DEPEND="${RDEPEND}"
 BDEPEND="dev-vcs/git"
 
-QA_PRESTRIPPED="
-	/usr/bin/yosys-filterlib
-	/usr/bin/yosys-abc
-"
-
 src_prepare() {
 	mv "${WORKDIR}/abc-${ABC_GIT_COMMIT}" "${S}"/abc || die
 	default
 }
 
-src_install() {
-	emake DESTDIR="${D}" PREFIX='/usr' install
+src_configure() {
+	cat <<-__EOF__ >> Makefile.conf || die
+		PREFIX := ${EPREFIX}/usr
+		STRIP := @echo "skipping strip"
+	__EOF__
+	default
 }