diff --git a/dev-libs/intel-compute-runtime/files/25.40.9999-intel-compute-runtime-test.patch b/dev-libs/intel-compute-runtime/files/25.40.9999-intel-compute-runtime-test.patch
new file mode 100644
index 0000000..eda1354
--- /dev/null
+++ b/dev-libs/intel-compute-runtime/files/25.40.9999-intel-compute-runtime-test.patch
@@ -0,0 +1,8 @@
+--- a/cmake/setup_ult_global_flags.cmake
++++ b/cmake/setup_ult_global_flags.cmake
+@@ -15,1 +15,1 @@
+-    string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_upper)
++    string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_upper)
+@@ -18,1 +18,1 @@
+-    string(REGEX REPLACE "-O[1-3]" "" CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_upper} ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_upper}})
++    string(REGEX REPLACE "-O[1-3]" "" CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_upper} "${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_upper}}")
diff --git a/dev-libs/intel-compute-runtime/intel-compute-runtime-25.40.9999.ebuild b/dev-libs/intel-compute-runtime/intel-compute-runtime-25.40.9999.ebuild
index 3dbf0aa..ab1f8af 100644
--- a/dev-libs/intel-compute-runtime/intel-compute-runtime-25.40.9999.ebuild
+++ b/dev-libs/intel-compute-runtime/intel-compute-runtime-25.40.9999.ebuild
@@ -22,7 +22,7 @@ S="${WORKDIR}/${PN}-${PV}"
 LICENSE="MIT"
 SLOT="0/1.6"
 KEYWORDS="~amd64"
-IUSE="disable-mitigations +l0 +vaapi test"
+IUSE="disable-mitigations +l0 legacy lto +vaapi test"
 
 RDEPEND="
 	!dev-libs/intel-compute-runtime:legacy
@@ -49,9 +49,9 @@ BDEPEND="virtual/pkgconfig"
 
 DOCS=( "README.md" "FAQ.md" )
 
-#PATCHES=(
-#	"${FILESDIR}/${PN}-test.patch"
-#)
+PATCHES=(
+	"${FILESDIR}/${PV}-${PN}-test.patch"
+)
 
 src_prepare() {
 	# Remove '-Werror' from default
@@ -70,16 +70,16 @@ src_configure() {
 	# Filtered for two reasons:
 	# 1) https://github.com/intel/compute-runtime/issues/528
 	# 2) bug #930199
-	filter-lto
+	#filter-lto
 
 	local mycmakeargs=(
-		-DCCACHE_ALLOWED="OFF"
+		-DCCACHE_ALLOWED="ON"
 		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr"
 		-DCMAKE_INSTALL_LIBDIR="$(get_libdir)"
 		-DBUILD_WITH_L0="$(usex l0)"
 		-DDISABLE_LIBVA="$(usex !vaapi)"
-		-DNEO_ALLOW_LEGACY_PLATFORMS_SUPPORT="ON"
-		-DNEO_DISABLE_LTO="ON"
+		-DNEO_ALLOW_LEGACY_PLATFORMS_SUPPORT="$(usex legacy)"
+		-DNEO_DISABLE_LTO="$(usex !lto)"
 		-DNEO_DISABLE_MITIGATIONS="$(usex disable-mitigations)"
 		-DNEO_ENABLE_REFERENCE_TRACKING="OFF"
 		-DNEO__METRICS_LIBRARY_INCLUDE_DIR="${ESYSROOT}/usr/include"
@@ -99,3 +99,7 @@ src_configure() {
 
 	cmake_src_configure
 }
+
+src_test() {
+	ewarn "The test must run AFTER the package is installed."
+}