Fix issues about DLLs when installing pre-compiled wheels on windows (#91)

+name: test-pip-install
+
+on:
+  push:
+    branches:
+      - test-pip-install
+  schedule:
+    # minute (0-59)
+    # hour (0-23)
+    # day of the month (1-31)
+    # month (1-12)
+    # day of the week (0-6)
+    # nightly build at 23:50 UTC time every day
+    - cron: "50 23 * * *"
+
+concurrency:
+  group: test-pip-install-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  test_pip_install:
+    runs-on: ${{ matrix.os }}
+    name: Test pip install on ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install sherpa-onnx
+        shell: bash
+        run: |
+          pip install --verbose sherpa-onnx
+
+      - name: Test sherp-onnx
+        shell: bash
+        run: |
+          python3 -c "import sherpa_onnx; print(sherpa_onnx.__file__)"
+          python3 -c "import sherpa_onnx; print(sherpa_onnx.__version__)"

 cmake_minimum_required(VERSION 3.13 FATAL_ERROR)
 project(sherpa-onnx)
 
-set(SHERPA_ONNX_VERSION "1.3.0")
+set(SHERPA_ONNX_VERSION "1.3.2")
 
 # Disable warning about
 #
@@ -74,9 +74,37 @@ endif()
 check_include_file_cxx(cxxabi.h SHERPA_ONNX_HAVE_CXXABI_H)
 check_include_file_cxx(execinfo.h SHERPA_ONNX_HAVE_EXECINFO_H)
 
+if(WIN32)
+  add_definitions(-DNOMINMAX) # Otherwise, std::max() and std::min() won't work
+endif()
+
+if(WIN32 AND MSVC)
+  # disable various warnings for MSVC
+  # 4244: 'return': conversion from 'unsigned __int64' to 'int', possible loss of data
+  # 4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
+  # 4305: 'argument': truncation from 'double' to 'const float'
+  # 4334: '<<': result of 32-bit shift implicitly converted to 64 bits
+  # 4800: 'int': forcing value to bool 'true' or 'false'
+  # 4996: 'fopen': This function or variable may be unsafe
+  set(disabled_warnings
+      /wd4244
+      /wd4267
+      /wd4305
+      /wd4334
+      /wd4800
+      /wd4996
+  )
+  message(STATUS "Disabled warnings: ${disabled_warnings}")
+  foreach(w IN LISTS disabled_warnings)
+    string(APPEND CMAKE_CXX_FLAGS " ${w} ")
+  endforeach()
+endif()
+
+
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 
+
 include(kaldi-native-fbank)
 include(onnxruntime)
 

@@ -71,10 +71,8 @@ class BuildExtension(build_ext):
             cmake_args = "-DCMAKE_BUILD_TYPE=Release"
 
         extra_cmake_args = f" -DCMAKE_INSTALL_PREFIX={install_dir} "
-        if not is_windows():
-            extra_cmake_args += " -DBUILD_SHARED_LIBS=ON "
-        else:
-            extra_cmake_args += " -DBUILD_SHARED_LIBS=OFF "
+        extra_cmake_args += " -DBUILD_SHARED_LIBS=ON "
+
         extra_cmake_args += " -DSHERPA_ONNX_ENABLE_CHECK=OFF "
         extra_cmake_args += " -DSHERPA_ONNX_ENABLE_PYTHON=ON "
         extra_cmake_args += " -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF "

@@ -49,7 +49,11 @@ function(download_kaldi_native_fbank)
     INTERFACE
       ${kaldi_native_fbank_SOURCE_DIR}/
   )
-  install(TARGETS kaldi-native-fbank-core DESTINATION lib)
+  if(SHERPA_ONNX_ENABLE_PYTHON AND WIN32)
+    install(TARGETS kaldi-native-fbank-core DESTINATION ..)
+  else()
+    install(TARGETS kaldi-native-fbank-core DESTINATION lib)
+  endif()
 endfunction()
 
 download_kaldi_native_fbank()

@@ -155,7 +155,11 @@ function(download_onnxruntime)
   endif()
 
   message(STATUS "onnxruntime lib files: ${onnxruntime_lib_files}")
-  install(FILES ${onnxruntime_lib_files} DESTINATION lib)
+  if(SHERPA_ONNX_ENABLE_PYTHON AND WIN32)
+    install(FILES ${onnxruntime_lib_files} DESTINATION ..)
+  else()
+    install(FILES ${onnxruntime_lib_files} DESTINATION lib)
+  endif()
 endfunction()
 
 # First, we try to locate the header and the lib if the use has already

@@ -62,7 +62,12 @@ if(NOT WIN32)
   target_link_libraries(sherpa-onnx "-Wl,-rpath,${SHERPA_ONNX_RPATH_ORIGIN}/../lib")
 endif()
 
-install(TARGETS sherpa-onnx-core DESTINATION lib)
+if(SHERPA_ONNX_ENABLE_PYTHON AND WIN32)
+  install(TARGETS sherpa-onnx-core DESTINATION ..)
+else()
+  install(TARGETS sherpa-onnx-core DESTINATION lib)
+endif()
+
 install(TARGETS sherpa-onnx DESTINATION bin)
 
 if(SHERPA_ONNX_HAS_ALSA)

@@ -20,7 +20,7 @@
 
 namespace sherpa_onnx {
 
-class OnlineTransducerDecoderResult;
+struct OnlineTransducerDecoderResult;
 
 class OnlineTransducerModel {
  public: