3 files changed, 5 insertions, 2 deletions
diff --git a/dev-libs/oniguruma/metadata.xml b/dev-libs/oniguruma/metadata.xml
index b9955e3e293c..355bf4764886 100644
--- a/dev-libs/oniguruma/metadata.xml
+++ b/dev-libs/oniguruma/metadata.xml
@@ -11,6 +11,9 @@
     expression object can be specified.  (Supported character encodings:
     ASCII, UTF-8, EUC-JP, Shift_JIS)
   </longdescription>
+  <slots>
+    <subslots>Reflect ABI of libonig.so.</subslots>
+  </slots>
   <use>
     <flag name="combination-explosion-check">
       enable combination explosion check
diff --git a/dev-libs/oniguruma/oniguruma-5.9.6_p1-r1.ebuild b/dev-libs/oniguruma/oniguruma-5.9.6_p1-r1.ebuild
index d99146dd4f5c..7fb47e7f69fc 100644
--- a/dev-libs/oniguruma/oniguruma-5.9.6_p1-r1.ebuild
+++ b/dev-libs/oniguruma/oniguruma-5.9.6_p1-r1.ebuild
@@ -12,7 +12,7 @@ HOMEPAGE="https://github.com/kkos/oniguruma"
 SRC_URI="https://github.com/kkos/${PN}/releases/download/v${PV}/${MY_P}.tar.gz"
 
 LICENSE="BSD-2"
-SLOT="0"
+SLOT="0/2" # sub-slot matches SONAME major
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x86-solaris"
 IUSE="combination-explosion-check crnl-as-line-terminator static-libs"
 
diff --git a/dev-libs/oniguruma/oniguruma-6.4.0.ebuild b/dev-libs/oniguruma/oniguruma-6.4.0.ebuild
index 9453f68b71c8..5388b8aa7c20 100644
--- a/dev-libs/oniguruma/oniguruma-6.4.0.ebuild
+++ b/dev-libs/oniguruma/oniguruma-6.4.0.ebuild
@@ -12,7 +12,7 @@ HOMEPAGE="https://github.com/kkos/oniguruma"
 SRC_URI="https://github.com/kkos/${PN}/releases/download/v${PV}/${MY_P}.tar.gz"
 
 LICENSE="BSD-2"
-SLOT="0"
+SLOT="0/4" # sub-slot matches SONAME major
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x86-solaris"
 IUSE="combination-explosion-check crnl-as-line-terminator static-libs"