nmake 致命错误 U1034：语法错误：分隔符丢失

# gnsdk C# wrapper sample makefile
##

CC=Csc.exe
CP=cp

GNSDK_LIB_PATH=../../../../lib/$(GNSDK_PLATFORM)
GNSDK_WRAPPER_LIB_PATH=../../lib/$(GNSDK_PLATFORM)
GNSDK_MARSHAL_LIB=$(GNSDK_WRAPPER_LIB_PATH)/gnsdk_csharp_marshal.dll
GNSDK_CSHARP_LIB=../../lib/gnsdk_csharp.dll


CSHARP_FLAGS=/noconfig /nowarn:1701,1702 /nostdlib+ /errorendlocation
CSHARP_REFS=/reference:$(GNSDK_CSHARP_LIB) /reference:"Microsoft.CSharp.dll" /reference:"mscorlib.dll" /reference:"System.Core.dll" /reference:"System.Data.DataSetExtensions.dll" /reference:"System.Data.dll" /reference:"System.dll" /reference:"System.Xml.dll" 

ifeq ($(GNSDK_PLATFORM), win_x86-32)
    CSHARP_FLAGS+=/platform:x86
endif

ifeq ($(GNSDK_PLATFORM), win_x86-64)
    CSHARP_FLAGS+=/platform:x64
endif

SAMPLE_TARGET=sample.exe


build_sample:
    $(CC) $(CSHARP_FLAGS) $(CSHARP_REFS) /out:$(SAMPLE_TARGET) /target:exe /utf8output MusicIDStream.cs
    $(CP) $(GNSDK_MARSHAL_LIB) .
    $(CP) $(GNSDK_CSHARP_LIB) .

我有一个 C# 应用程序的 makefile。 我正在尝试从 Visual Studio 命令提示符运行它。 我在这一行中遇到错误：CSHARP_FLAGS+=/platform:x86

您正在查看的 makefile 似乎是 GNU make makefile。您不能将它与 nmake 一起使用。如果您想使用此 makefile，则必须安装 GNU make，否则编写一个 nmake makefile 与 nmake 一起使用。