fix(build): update MSVC library paths to use backslashes for compatibility

Author: Gioee

.github/workflows/main.yml

@@ -356,8 +356,9 @@ jobs:
             where dpcpp
             echo PATH=%PATH%
           )
-          set PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH:C:\msys64\usr\bin;=%
-          set PATH=%PATH:C:\msys64\mingw64\bin;=%
+          set "PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH%"
+          set "PATH=%PATH:C:\msys64\usr\bin;=%"
+          set "PATH=%PATH:C:\msys64\mingw64\bin;=%"
           make build/llama.cpp.stamp ${{ matrix.make && matrix.make || ''}}
 
       - name: build llama.cpp (mingw/windows)
@@ -381,8 +382,9 @@ jobs:
             where icx
             where dpcpp
           )
-          set PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH:C:\msys64\usr\bin;=%
-          set PATH=%PATH:C:\msys64\mingw64\bin;=%
+          set "PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH%"
+          set "PATH=%PATH:C:\msys64\usr\bin;=%"
+          set "PATH=%PATH:C:\msys64\mingw64\bin;=%"
           make build/whisper.cpp.stamp ${{ matrix.make && matrix.make || ''}}
 
       - name: build whisper.cpp (mingw/windows)
@@ -406,8 +408,9 @@ jobs:
             where icx
             where dpcpp
           )
-          set PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH:C:\msys64\usr\bin;=%
-          set PATH=%PATH:C:\msys64\mingw64\bin;=%
+          set "PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH%"
+          set "PATH=%PATH:C:\msys64\usr\bin;=%"
+          set "PATH=%PATH:C:\msys64\mingw64\bin;=%"
           make build/miniaudio.stamp ${{ matrix.make && matrix.make || ''}}
 
       - name: build miniaudio (mingw/windows)
@@ -424,8 +427,9 @@ jobs:
         shell: cmd
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
-          set PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH:C:\msys64\usr\bin;=%
-          set PATH=%PATH:C:\msys64\mingw64\bin;=%
+          set "PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH%"
+          set "PATH=%PATH:C:\msys64\usr\bin;=%"
+          set "PATH=%PATH:C:\msys64\mingw64\bin;=%"
           where link
           make extension ${{ matrix.make && matrix.make || ''}}
 
@@ -450,8 +454,9 @@ jobs:
           )
           where icx
           where dpcpp
-          set PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH:C:\msys64\usr\bin;=%
-          set PATH=%PATH:C:\msys64\mingw64\bin;=%
+          set "PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH%"
+          set "PATH=%PATH:C:\msys64\usr\bin;=%"
+          set "PATH=%PATH:C:\msys64\mingw64\bin;=%"
           make extension ${{ matrix.make && matrix.make || ''}}
 
       - name: windows build sqlite-ai (mingw)
@@ -515,8 +520,13 @@ jobs:
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
           if "${{ matrix.name }}" == "windows-sycl" (
-            call "%ONEAPI_ROOT%\setvars.bat"
+            if exist "%ONEAPI_ROOT%\setvars.bat" (
+              call "%ONEAPI_ROOT%\setvars.bat"
+            )
           )
+          set "PATH=%VCToolsInstallDir%bin\Hostx64\x64;%WindowsSdkBinPath%x64;%PATH%"
+          set "PATH=%PATH:C:\msys64\usr\bin;=%"
+          set "PATH=%PATH:C:\msys64\mingw64\bin;=%"
           make test ${{ matrix.make && matrix.make || ''}}
 
       - name: windows test sqlite-ai (mingw)

Makefile

@@ -229,7 +229,7 @@ ifneq (,$(findstring CUDA,$(LLAMA)))
 		ifeq ($(USE_MSVC),1)
 			# MSVC CUDA build - use .lib files and MSVC linker syntax
 			LLAMA_LIBS += $(BUILD_LLAMA)/ggml/src/ggml-cuda/Release/ggml-cuda.lib
-			MSVC_LIBS += "$(CUDA_PATH)/lib/x64/cuda.lib" "$(CUDA_PATH)/lib/x64/cudart.lib"
+			MSVC_LIBS += "$(CUDA_PATH)\lib\x64\cuda.lib" "$(CUDA_PATH)\lib\x64\cudart.lib"
 		else
 			# MinGW CUDA build - use original approach
 			LLAMA_LDFLAGS = -L./$(BUILD_LLAMA)/common/Release -L./$(BUILD_LLAMA)/ggml/src/Release -L./$(BUILD_LLAMA)/src/Release -L./$(BUILD_LLAMA)/ggml/src/ggml-cuda/Release -L"$(CUDA_PATH)/lib/x64" $(L)common.lib $(L)llama.lib $(L)ggml.lib $(L)ggml-base.lib $(L)ggml-cuda.lib -lcuda -lcudart
@@ -283,7 +283,9 @@ all: $(TARGET)
 # Loadable library
 $(TARGET): $(OBJ_FILES) $(DEF_FILE) $(LLAMA_LIBS) $(WHISPER_LIBS) $(MINIAUDIO_LIBS)
 ifeq ($(USE_MSVC),1)
-	link.exe /nologo $(LDFLAGS) /OUT:$@ $(OBJ_FILES) $(LLAMA_LIBS) $(WHISPER_LIBS) $(MINIAUDIO_LIBS) $(MSVC_LIBS)
+	which link
+	which link.exe
+	link.exe /nologo $(LDFLAGS) /DEF:$(DEF_FILE) /OUT:$@ $(OBJ_FILES) $(LLAMA_LIBS) $(WHISPER_LIBS) $(MINIAUDIO_LIBS) $(MSVC_LIBS)
 else
 	$(CXX) $(OBJ_FILES) $(DEF_FILE) -o $@ $(LDFLAGS)
 ifeq ($(PLATFORM),windows)