ci: Add HIP job based on Fedora image

The Fedora `rocm-hip-devel` package organizes the `hip-lang` cmake package
differently from the official ROCm base images.  Cover it separately.

Issue: #25050

.gitlab-ci.yml

@@ -205,6 +205,16 @@ t:debian12-hip-radeon:
     variables:
         CMAKE_CI_NO_MR: "true"
 
+t:fedora38-hip-radeon:
+    extends:
+        - .fedora38_hip_radeon
+        - .cmake_test_linux_release
+        - .linux_x86_64_tags_radeon
+        - .run_dependent
+        - .needs_centos6_x86_64
+    variables:
+        CMAKE_CI_NO_MR: "true"
+
 t:fedora38-ninja-clang:
     extends:
         - .fedora38_ninja_clang

.gitlab/ci/configure_fedora38_hip_radeon.cmake

@@ -0,0 +1,3 @@
+set(CMake_TEST_HIP "ON" CACHE BOOL "")
+
+include("${CMAKE_CURRENT_LIST_DIR}/configure_external_test.cmake")

.gitlab/ci/env_fedora38_hip_radeon.sh

@@ -0,0 +1 @@
+export HIPCXX=/usr/bin/clang++-16

.gitlab/os-linux.yml

@@ -366,6 +366,13 @@
         CMAKE_CONFIGURATION: debian12_hip_radeon
         CTEST_LABELS: "HIP"
 
+.fedora38_hip_radeon:
+    extends: .fedora38
+
+    variables:
+        CMAKE_CONFIGURATION: fedora38_hip_radeon
+        CTEST_LABELS: "HIP"
+
 ### C++ modules
 
 .gcc_cxx_modules_x86_64: