diff --git a/.github/workflows/build-xcframework.yaml b/.github/workflows/build-xcframework.yaml
index e322396ad..8fcfafd43 100644
--- a/.github/workflows/build-xcframework.yaml
+++ b/.github/workflows/build-xcframework.yaml
@@ -47,6 +47,7 @@ jobs:
         if: matrix.with_tts == 'ON'
         shell: bash
         run: |
+          export CMAKE_VERBOSE_MAKEFILE=ON
           ./build-ios-shared.sh
 
       - name: Build iOS
diff --git a/build-ios-shared.sh b/build-ios-shared.sh
index 13795789b..90b2e9a5d 100755
--- a/build-ios-shared.sh
+++ b/build-ios-shared.sh
@@ -19,6 +19,10 @@ if [ "$SHERPA_ONNX_GITHUB_MIRROW" == true ]; then
     SHERPA_ONNX_GITHUB=hub.nuaa.cf
 fi
 
+if [ ! -z CMAKE_VERBOSE_MAKEFILE ]; then
+  CMAKE_VERBOSE_MAKEFILE=ON
+fi
+
 if [ ! -f $onnxruntime_dir/onnxruntime.xcframework/ios-arm64/onnxruntime.a ]; then
   mkdir -p $onnxruntime_dir
   pushd $onnxruntime_dir
@@ -50,7 +54,7 @@ if [[ ! -f build/simulator_x86_64/install/lib/libsherpa-onnx-c-api.dylib ]]; the
     -DBUILD_PIPER_PHONMIZE_TESTS=OFF \
     -DBUILD_ESPEAK_NG_EXE=OFF \
     -DBUILD_ESPEAK_NG_TESTS=OFF \
-    -S .. -D CMAKE_VERBOSE_MAKEFILE=ON \
+    -S .. -D CMAKE_VERBOSE_MAKEFILE=$CMAKE_VERBOSE_MAKEFILE \
     -DCMAKE_TOOLCHAIN_FILE=./toolchains/ios.toolchain.cmake \
     -DPLATFORM=SIMULATOR64 \
     -DENABLE_BITCODE=0 \
@@ -81,7 +85,7 @@ if [[ ! -f build/simulator_arm64/install/lib/libsherpa-onnx-c-api.dylib ]]; then
     -DBUILD_PIPER_PHONMIZE_TESTS=OFF \
     -DBUILD_ESPEAK_NG_EXE=OFF \
     -DBUILD_ESPEAK_NG_TESTS=OFF \
-    -S .. -D CMAKE_VERBOSE_MAKEFILE=ON \
+    -S .. -D CMAKE_VERBOSE_MAKEFILE=$CMAKE_VERBOSE_MAKEFILE \
     -DCMAKE_TOOLCHAIN_FILE=./toolchains/ios.toolchain.cmake \
     -DPLATFORM=SIMULATORARM64 \
     -DENABLE_BITCODE=0 \
@@ -114,7 +118,7 @@ if [[ ! -f build/os64/install/lib/libsherpa-onnx-c-api.dylib ]]; then
     -DBUILD_PIPER_PHONMIZE_TESTS=OFF \
     -DBUILD_ESPEAK_NG_EXE=OFF \
     -DBUILD_ESPEAK_NG_TESTS=OFF \
-    -S .. -D CMAKE_VERBOSE_MAKEFILE=ON \
+    -S .. -D CMAKE_VERBOSE_MAKEFILE=$CMAKE_VERBOSE_MAKEFILE \
     -DCMAKE_TOOLCHAIN_FILE=./toolchains/ios.toolchain.cmake \
     -DPLATFORM=OS64 \
     -DENABLE_BITCODE=0 \