migrated to fedora 43 from rawhide to fix build issues

toolboxes/Dockerfile.rocm-7.1-rocwmma

@@ -1,5 +1,7 @@
 # build stage
-FROM registry.fedoraproject.org/fedora:rawhide AS builder
+FROM registry.fedoraproject.org/fedora:43 AS builder
+# Toggle llama.cpp PR 15405 (RPC perf for large models)
+ARG APPLY_LLAMA_PR_15405=1
 
 # rocm 7.1 repo
 RUN <<'EOF'
@@ -47,6 +49,12 @@ RUN chmod +x /opt/apply-rocwmma-fix.sh && /opt/apply-rocwmma-fix.sh /opt/llama.c
 
 # build
 RUN git clean -xdf \
+ && if [ "${APPLY_LLAMA_PR_15405}" = "1" ]; then \
+      git config user.email "builder@localhost"; \
+      git config user.name "Container Builder"; \
+      git fetch origin pull/15405/head:pr-15405; \
+      git merge --no-edit pr-15405; \
+    fi \
  && git submodule update --recursive \
  && cmake -S . -B build \
       -DGGML_HIP=ON \
@@ -73,7 +81,7 @@ RUN chmod +x /usr/local/bin/gguf-vram-estimator.py
 
 
 # runtime stage
-FROM registry.fedoraproject.org/fedora-minimal:rawhide
+FROM registry.fedoraproject.org/fedora-minimal:43
 
 # rocm 7.1 repo
 RUN <<'EOF'
@@ -119,4 +127,3 @@ RUN printf '%s\n' \
 
 # shell
 CMD ["/bin/bash"]
-