build: don't use GGML_BACKEND_DL on macOS

Author: Acly

.github/workflows/ci.yml

@@ -48,7 +48,6 @@ jobs:
         if: matrix.os == 'ubuntu-22.04'
         run: >
           cmake . -B build -G Ninja
-          -D CMAKE_BUILD_TYPE=Release
           -D VISP_CI=ON
           -D VISP_VULKAN=ON
           -D VISP_FMT_LIB=ON
@@ -57,19 +56,15 @@ jobs:
         if: matrix.os == 'windows-latest'
         run: >
           cmake . -B build -A x64
-          -D CMAKE_BUILD_TYPE=Release
           -D VISP_CI=ON
           -D VISP_VULKAN=ON
 
       - name: Configure (MacOS)
         if: matrix.os == 'macos-14'
         run: >
           cmake . -B build -G Ninja
-          -D CMAKE_BUILD_TYPE=Release
           -D VISP_CI=ON
           -D GGML_METAL=OFF
-          -D GGML_RPC=ON
-          -D CMAKE_BUILD_RPATH="@loader_path"
 
       - name: Build
         run: cmake --build build --config Release

CMakeLists.txt

@@ -97,7 +97,9 @@ endif()
 set(GGML_VULKAN ${VISP_VULKAN})
 set(GGML_LLAMAFILE ON)
 if(VISP_CI)
-  set(GGML_BACKEND_DL ON)
+  if(NOT APPLE)
+    set(GGML_BACKEND_DL ON)
+  endif()
   if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "^(aarch64|arm.*|ARM64)$")
     # set default for ARM
   else()