diff --git a/sci-electronics/verilator/verilator-5.026.ebuild b/sci-electronics/verilator/verilator-5.026-r1.ebuild
similarity index 92%
rename from sci-electronics/verilator/verilator-5.026.ebuild
rename to sci-electronics/verilator/verilator-5.026-r1.ebuild
index 71d8f4f5ba..fb12da8bc2 100644
--- a/sci-electronics/verilator/verilator-5.026.ebuild
+++ b/sci-electronics/verilator/verilator-5.026-r1.ebuild
@@ -42,6 +42,7 @@ BDEPEND="
 	sys-devel/flex
 	test? (
 		dev-build/cmake
+		dev-debug/gdb
 	)
 "
 
@@ -64,6 +65,11 @@ src_prepare() {
 	eautoconf --force
 }
 
+src_configure() {
+	# https://bugs.gentoo.org/887919
+	econf CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}" LDFLAGS="${LDFLAGS}"
+}
+
 src_test() {
 	emake test
 }
diff --git a/sci-electronics/verilator/verilator-5.028.ebuild b/sci-electronics/verilator/verilator-5.028-r1.ebuild
similarity index 92%
rename from sci-electronics/verilator/verilator-5.028.ebuild
rename to sci-electronics/verilator/verilator-5.028-r1.ebuild
index 71d8f4f5ba..fb12da8bc2 100644
--- a/sci-electronics/verilator/verilator-5.028.ebuild
+++ b/sci-electronics/verilator/verilator-5.028-r1.ebuild
@@ -42,6 +42,7 @@ BDEPEND="
 	sys-devel/flex
 	test? (
 		dev-build/cmake
+		dev-debug/gdb
 	)
 "
 
@@ -64,6 +65,11 @@ src_prepare() {
 	eautoconf --force
 }
 
+src_configure() {
+	# https://bugs.gentoo.org/887919
+	econf CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}" LDFLAGS="${LDFLAGS}"
+}
+
 src_test() {
 	emake test
 }
diff --git a/sci-electronics/verilator/verilator-9999.ebuild b/sci-electronics/verilator/verilator-9999.ebuild
index 71d8f4f5ba..fb12da8bc2 100644
--- a/sci-electronics/verilator/verilator-9999.ebuild
+++ b/sci-electronics/verilator/verilator-9999.ebuild
@@ -42,6 +42,7 @@ BDEPEND="
 	sys-devel/flex
 	test? (
 		dev-build/cmake
+		dev-debug/gdb
 	)
 "
 
@@ -64,6 +65,11 @@ src_prepare() {
 	eautoconf --force
 }
 
+src_configure() {
+	# https://bugs.gentoo.org/887919
+	econf CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}" LDFLAGS="${LDFLAGS}"
+}
+
 src_test() {
 	emake test
 }