diff --git a/dev-lang/ruby/ruby-3.2.9-r1.ebuild b/dev-lang/ruby/ruby-3.2.9-r1.ebuild
index ff2d1813f81d..59616e51fd44 100644
--- a/dev-lang/ruby/ruby-3.2.9-r1.ebuild
+++ b/dev-lang/ruby/ruby-3.2.9-r1.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 RUST_OPTIONAL="yes"
 
-inherit autotools flag-o-matic multiprocessing rust
+inherit autotools flag-o-matic multiprocessing toolchain-funcs rust
 
 MY_P="${PN}-$(ver_cut 1-3)"
 
@@ -166,7 +166,7 @@ src_configure() {
 	# as it's risky with newer compilers to leave it as it is.
 	append-flags -fno-strict-aliasing
 	# Workaround for bug #965095 (gcc PR122610)
-	append-flags -fno-ipa-modref
+	tc-is-gcc && append-flags -fno-ipa-modref
 
 	# Workaround for bug #938302
 	if use systemtap && has_version "dev-debug/systemtap[-dtrace-symlink(+)]" ; then
diff --git a/dev-lang/ruby/ruby-3.3.10-r1.ebuild b/dev-lang/ruby/ruby-3.3.10-r1.ebuild
index 5fddb27da5f2..841f5541fd29 100644
--- a/dev-lang/ruby/ruby-3.3.10-r1.ebuild
+++ b/dev-lang/ruby/ruby-3.3.10-r1.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 RUST_OPTIONAL="yes"
 
-inherit autotools flag-o-matic multiprocessing rust
+inherit autotools flag-o-matic multiprocessing toolchain-funcs rust
 
 MY_P="${PN}-$(ver_cut 1-3)"
 
@@ -162,7 +162,7 @@ src_configure() {
 	# as it's risky with newer compilers to leave it as it is.
 	append-flags -fno-strict-aliasing
 	# Workaround for bug #965095 (gcc PR122610)
-	append-flags -fno-ipa-modref
+	tc-is-gcc && append-flags -fno-ipa-modref
 
 	# Workaround for bug #938302
 	if use systemtap && has_version "dev-debug/systemtap[-dtrace-symlink(+)]" ; then
diff --git a/dev-lang/ruby/ruby-3.4.7-r1.ebuild b/dev-lang/ruby/ruby-3.4.7-r1.ebuild
index c339549096a1..6205af5aa2ab 100644
--- a/dev-lang/ruby/ruby-3.4.7-r1.ebuild
+++ b/dev-lang/ruby/ruby-3.4.7-r1.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 RUST_OPTIONAL="yes"
 
-inherit autotools flag-o-matic multiprocessing rust
+inherit autotools flag-o-matic multiprocessing toolchain-funcs rust
 
 MY_P="${PN}-$(ver_cut 1-3)"
 
@@ -176,7 +176,7 @@ src_configure() {
 	# as it's risky with newer compilers to leave it as it is.
 	append-flags -fno-strict-aliasing
 	# Workaround for bug #965095 (gcc PR122610)
-	append-flags -fno-ipa-modref
+	tc-is-gcc && append-flags -fno-ipa-modref
 
 	# Workaround for bug #938302
 	if use systemtap && has_version "dev-debug/systemtap[-dtrace-symlink(+)]" ; then