将Mozilla源码里的内嵌Gecko示例winEmbed工程移植到VC

hechengjin

http://blog.csdn.net/mzlogin/article/details/7292310

一、下载xulrunner源码并编译。我这里用的1.9.2rc1版本，对应firefox 3.6.X。

    源码下载地址：ftp://ftp.mozilla.org/pub/mozilla.org/xulrunner/releases/1.9.2rc1/source/

    编译环境mozilla-build下载地址：http://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/MozillaBuildSetup-1.3.exe

    在解压的源码根目录内新建一个".mozconfig"文件，我使用的内容是（其中有用的就是组建目标是xulrunner，启动tests以生成示例程序）：

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• mk_add_options MOZ_CO_PROJECT=xulrunner  
• mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-xulrunner  
• ac_add_options --enable-application=xulrunner  
• #Uncomment the following line if you don't want to build JavaXPCOM:  
• ac_add_options --disable-javaxpcom  
• ac_add_options --disable-optimize  
• ac_add_options --enable-debug  
• ac_add_options --disable-vista-sdk-requirements  
• ac_add_options --with-windows-version=600  
• ac_add_options --enable-tests  
  

    运行mozilla-build 1.3 中的start-msvc9.bat（因为我使用的是Visual Studio 2008），切换到源码根目录下，运行“./configure"，然后"make"。等待几个小时（我的是用了四个小时左右）就OK了。

二、注册GRE（Gecko运行时环境）。

    在经过上面第一步的编译后，会在源码根目录下生成名为dist的文件夹。"源码根/dist/bin/"目录下现在有xulrunner.exe等程序，在cmd下运行"xulrunner.exe --register-global"注册GRE。这时候实际上就可以跑"源码根/embedding/tests/winEmbed/winEmbed.exe"程序了，但是我们的目的是在VC下自己的工程里嵌入Gecko，所以需要尝试将这个示例工程winEmbed移植到VC中。

三、重点来了，将winEmbed移植到VC中。

    （1）新建工程”MozillaDemo"，将winEmbed文件夹下的resource.h、SMALL.ICO、WebBrowserChrome.cpp、WebBrowserChrome.h、WindowCreator.cpp、WindowCreator.h、winEmbed.cpp、winEmbed.h、winEmbed.ICO、winEmbed.rc引入工程。编译之，你会发现N多错误……

    （2）在VC++目录中，include里加入"源码根/dist/include"，Library里加入"源码根/dist/lib"，bin里加入"源码根/dist/bin"。

    （3）修改一些编译选项。如在预编译选项里添加XPCOM_GLUE，XP_WIN，_CRT_SECURE_NO_WARNINGS。将Project->ropeties->Configuration Properties->C/C++->Language下的Treat wchar_t as Built-in Type设为No (/Zc:wchar_t-)，在引入库里添加xpcomglue.lib。总之让编译命令行看起来像下面这样（具体为何后面解释）：

从项目属性的C/C++里看到的编译命令行：

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• /O2 /Oi /GL /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "XPCOM_GLUE" /D "XP_WIN" /D "_CRT_SECURE_NO_WARNINGS" /D "_MBCS" /FD /EHsc /MD /Gy /Zc:wchar_t- /Fo"Release\\" /Fd"Release\vc90.pdb" /W3 /nologo /c /Zi /TP /errorReport:prompt  
  

从项目属性的Linker里看到的链接命令行：

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• /OUT:"E:\MZ_Test_Code\MozillaDemo\Release\MozillaDemo.exe" /INCREMENTAL:NO /NOLOGO /MANIFEST /MANIFESTFILE:"Release\MozillaDemo.exe.intermediate.manifest" /MANIFESTUAC:"level='asInvoker' uiAccess='false'" /DEBUG /PDB:"e:\MZ_Test_Code\MozillaDemo\Release\MozillaDemo.pdb" /OPT:REF /OPT:ICF /LTCG /DYNAMICBASE /NXCOMPAT /MACHINE:X86 /ERRORREPORTROMPT xpcomglue.lib  kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib  
  

    （4）在winEmbed.cpp文件里添加一句

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• #pragma comment(lib, "D:/1.9.2rc1/xulrunner-1.9.2rc1.source/mozilla-1.9.2/profile/dirserviceprovider/standalone/profdirserviceprovidersa_s.lib")  
  

    大功告成，编译成功0 warning, 0 error。此时的程序也可以在别的机子上运行，但是需要将xulrunner.exe及其依赖文件拷到别的机子上并注册GRE。

程序运行示意图：

在自己编译的xulrunner环境下跑会产生下面两类错误，先忽略之让程序跑起来。（用官方提供的xulrunner-sdk里的程序来注册GRE并运行程序无报错）

    至于为什么要做（3）和（4），且听我慢慢道来。

    1.为什么要添加预编译选项XPCOM_GLUE

    在原版的winEmbed目录下，有makefile文件，里面有DEFINES += -DXPCOM_GLUE这么一句。

    2.为什么要添加预编译选项XP_WIN

    在winEmbed/makefile文件里，有include $(DEPTH)/config/autoconf.mk这么一句，而在这个autoconf.mk里可以看到一大串的预编译选项，我试了多番才得出这个非加不可的结论……（试！！！冏！）

    3.为什么要添加引入库xpcomglue.lib，为什么要有（4）步骤

    在winEmbed/makefile文件里，有LIBS = \
$(DEPTH)/profile/dirserviceprovider/standalone/$(LIB_PREFIX)profdirserviceprovidersa_s.$(LIB_SUFFIX) \
$(XPCOM_STANDALONE_GLUE_LDOPTS) \
$(NULL)这么一段，很显然提示我们引入库profdirserviceprovidersa_s，然后在autoconf.mk文件里可以看到XPCOM_STANDALONE_GLUE_LDOPTS = $(LIBXUL_DIST)/lib/$(LIB_PREFIX)xpcomglue.$(LIB_SUFFIX)这么一个定义，所以也需要引入库xpcomglue。

    4.为什么要将Project->ropeties->Configuration Properties->C/C++->Language下的Treat wchar_t as Built-in Type设为No (/Zc:wchar_t-)

    很简单，因为编译报错提示呗……

（转载请注明出处http://blog.csdn.net/mzlogin）

    不执行这些操作将产生的错误：

不将Project->ropeties->Configuration Properties->C/C++->Language下的Treat wchar_t as Built-in Type设为No (/Zc:wchar_t-)将报错

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• WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: wchar_t const * __thiscall nsAString::BeginReading(void)const " (?BeginReading@nsAString@@QBEPB_WXZ)  
  

拿掉预编译选项"XP_WIN"会产生错误

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• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: void __thiscall nsCOMPtr_base::assign_from_helper(class nsCOMPtr_helper const &,struct nsID const &)" (?assign_from_helper@nsCOMPtr_base@@QAEXABVnsCOMPtr_helper@@ABUnsID@@@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: void __thiscall nsCOMPtr_base::assign_from_qi(class nsQueryInterface,struct nsID const &)" (?assign_from_qi@nsCOMPtr_base@@QAEXVnsQueryInterface@@ABUnsID@@@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: void __thiscall nsCOMPtr_base::assign_with_AddRef(class nsISupports *)" (?assign_with_AddRef@nsCOMPtr_base@@QAEXPAVnsISupports@@@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: virtual unsigned int __thiscall nsCreateInstanceByContractID:perator()(struct nsID const &,void * *)const " (??RnsCreateInstanceByContractID@@UBEIABUnsID@@PAPAX@Z)  
• 1>WindowCreator.obj : error LNK2001: unresolved external symbol "unsigned int __cdecl NS_TableDrivenQI(void *,struct QITableEntry const *,struct nsID const &,void * *)" (?NS_TableDrivenQI@@YAIPAXPBUQITableEntry@@ABUnsID@@PAPAX@Z)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol "public: void __thiscall nsCOMPtr_base::assign_from_gs_contractid_with_error(class nsGetServiceByContractIDWithError const &,struct nsID const &)" (?assign_from_gs_contractid_with_error@nsCOMPtr_base@@QAEXABVnsGetServiceByContractIDWithError@@ABUnsID@@@Z)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol "public: void __thiscall nsCOMPtr_base::assign_from_gs_contractid(class nsGetServiceByContractID,struct nsID const &)" (?assign_from_gs_contractid@nsCOMPtr_base@@QAEXVnsGetServiceByContractID@@ABUnsID@@@Z)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol "public: virtual unsigned int __thiscall nsGetInterface:perator()(struct nsID const &,void * *)const " (??RnsGetInterface@@UBEIABUnsID@@PAPAX@Z)  
  

拿掉预编译选项"XPCOM_GLUE"会产生错误

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• 1>.\winEmbed.cpp(48) : error C2146: syntax error : missing ';' before identifier 'XRE_InitEmbedding'  
• 1>.\winEmbed.cpp(48) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int  
• 1>.\winEmbed.cpp(48) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int  
• 1>.\winEmbed.cpp(48) : error C2365: 'XRE_InitEmbedding' : redefinition; previous definition was 'function'  
• 1>        D:\1.9.2rc1\xulrunner-1.9.2rc1.source\mozilla-1.9.2\dist\include\nsXULAppAPI.h(355) : see declaration of 'XRE_InitEmbedding'  
• 1>.\winEmbed.cpp(49) : error C2146: syntax error : missing ';' before identifier 'XRE_TermEmbedding'  
• 1>.\winEmbed.cpp(49) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int  
• 1>.\winEmbed.cpp(49) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int  
• 1>.\winEmbed.cpp(49) : error C2365: 'XRE_TermEmbedding' : redefinition; previous definition was 'function'  
• 1>        D:\1.9.2rc1\xulrunner-1.9.2rc1.source\mozilla-1.9.2\dist\include\nsXULAppAPI.h(390) : see declaration of 'XRE_TermEmbedding'  
• 1>.\winEmbed.cpp(191) : error C3861: 'XPCOMGlueStartup': identifier not found  
• 1>.\winEmbed.cpp(209) : error C2659: '=' : function as left operand  
• 1>.\winEmbed.cpp(209) : error C2146: syntax error : missing ';' before identifier 'GetProcAddress'  
• 1>.\winEmbed.cpp(210) : warning C4551: function call missing argument list  
• 1>.\winEmbed.cpp(216) : error C2659: '=' : function as left operand  
• 1>.\winEmbed.cpp(216) : error C2146: syntax error : missing ';' before identifier 'GetProcAddress'  
  

拿掉引入库"xpcomglue.lib"会产生错误

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• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_StringContainerFinish  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_StringContainerFinish  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol _NS_StringContainerFinish  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_CStringCopy  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: unsigned short const * __thiscall nsAString::BeginReading(void)const " (?BeginReading@nsAString@@QBEPBGXZ)  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol "public: unsigned short const * __thiscall nsAString::BeginReading(void)const " (?BeginReading@nsAString@@QBEPBGXZ)  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol "public: unsigned short const * __thiscall nsAString::BeginReading(void)const " (?BeginReading@nsAString@@QBEPBGXZ)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_StringContainerInit  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_StringContainerInit  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol _NS_StringContainerInit  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_CStringSetDataRange  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_CStringToUTF16  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_CStringSetData  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: void __fastcall nsCOMPtr_base::assign_from_helper(class nsCOMPtr_helper const &,struct nsID const &)" (?assign_from_helper@nsCOMPtr_base@@QAIXABVnsCOMPtr_helper@@ABUnsID@@@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: void __fastcall nsCOMPtr_base::assign_from_qi(class nsQueryInterface,struct nsID const &)" (?assign_from_qi@nsCOMPtr_base@@QAIXVnsQueryInterface@@ABUnsID@@@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: void __fastcall nsCOMPtr_base::assign_with_AddRef(class nsISupports *)" (?assign_with_AddRef@nsCOMPtr_base@@QAIXPAVnsISupports@@@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: __thiscall nsCOMPtr_base::~nsCOMPtr_base(void)" (??1nsCOMPtr_base@@QAE@XZ)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_CStringContainerInit  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_CStringContainerInit  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_CStringContainerFinish  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_CStringContainerFinish  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: virtual unsigned int __fastcall nsCreateInstanceByContractID:perator()(struct nsID const &,void * *)const " (??RnsCreateInstanceByContractID@@UBIIABUnsID@@PAPAX@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol _NS_CStringGetData  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "protected: void __thiscall nsSupportsWeakReference::ClearWeakReferences(void)" (?ClearWeakReferences@nsSupportsWeakReference@@IAEXXZ)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "public: virtual unsigned int __stdcall nsSupportsWeakReference::GetWeakReference(class nsIWeakReference * *)" (?GetWeakReference@nsSupportsWeakReference@@UAGIPAPAVnsIWeakReference@@@Z)  
• 1>WebBrowserChrome.obj : error LNK2001: unresolved external symbol "class nsIWeakReference * __cdecl NS_GetWeakReference(class nsISupports *,unsigned int *)" (?NS_GetWeakReference@@YAPAVnsIWeakReference@@PAVnsISupports@@PAI@Z)  
• 1>WindowCreator.obj : error LNK2001: unresolved external symbol "unsigned int __fastcall NS_TableDrivenQI(void *,struct QITableEntry const *,struct nsID const &,void * *)" (?NS_TableDrivenQI@@YIIPAXPBUQITableEntry@@ABUnsID@@PAPAX@Z)  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol "unsigned int __fastcall NS_TableDrivenQI(void *,struct QITableEntry const *,struct nsID const &,void * *)" (?NS_TableDrivenQI@@YIIPAXPBUQITableEntry@@ABUnsID@@PAPAX@Z)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol "public: char const * __thiscall nsACString::BeginReading(void)const " (?BeginReading@nsACString@@QBEPBDXZ)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol _GRE_GetGREPathWithProperties  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol _NS_NewNativeLocalFile  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol "public: void __fastcall nsCOMPtr_base::assign_from_gs_contractid_with_error(class nsGetServiceByContractIDWithError const &,struct nsID const &)" (?assign_from_gs_contractid_with_error@nsCOMPtr_base@@QAIXABVnsGetServiceByContractIDWithError@@ABUnsID@@@Z)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol "public: void __fastcall nsCOMPtr_base::assign_from_gs_contractid(class nsGetServiceByContractID,struct nsID const &)" (?assign_from_gs_contractid@nsCOMPtr_base@@QAIXVnsGetServiceByContractID@@ABUnsID@@@Z)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol _NS_CStringContainerInit2  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_CStringContainerInit2  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol _XPCOMGlueStartup  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol "public: virtual unsigned int __fastcall nsGetInterface:perator()(struct nsID const &,void * *)const " (??RnsGetInterface@@UBIIABUnsID@@PAPAX@Z)  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol _NS_StringContainerInit2  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_StringContainerInit2  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol _NS_StringContainerInit2  
• 1>winEmbed.obj : error LNK2001: unresolved external symbol _NS_UTF16ToCString  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_DebugBreak  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol _NS_DebugBreak  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_LogAddRef  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_LogRelease  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_StringGetData  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_LogCOMPtrRelease  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol _NS_LogCOMPtrRelease  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol _NS_LogCOMPtrAddRef  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol _NS_LogCOMPtrAddRef  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol "public: unsigned int __fastcall nsGetServiceByContractIDWithError:perator()(struct nsID const &,void * *)const " (??RnsGetServiceByContractIDWithError@@QBIIABUnsID@@PAPAX@Z)  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol "public: unsigned int __fastcall nsQueryInterface:perator()(struct nsID const &,void * *)const " (??RnsQueryInterface@@QBIIABUnsID@@PAPAX@Z)  
• 1>profdirserviceprovidersa_s.lib(nsProfileLock.obj) : error LNK2001: unresolved external symbol "public: unsigned int __fastcall nsQueryInterface:perator()(struct nsID const &,void * *)const " (??RnsQueryInterface@@QBIIABUnsID@@PAPAX@Z)  
• 1>profdirserviceprovidersa_s.lib(nsProfileDirServiceProvider.obj) : error LNK2001: unresolved external symbol "public: unsigned int __fastcall nsGetServiceByContractID:perator()(struct nsID const &,void * *)const " (??RnsGetServiceByContractID@@QBIIABUnsID@@PAPAX@Z)  
  

添加预编译选项_CRT_SECURE_NO_WARNINGS用来消除警告

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• 1>e:\mz_test_code\mozillademo\mozillademo\webbrowserchrome.cpp(375) : warning C4996: '_snprintf': This function or variable may be unsafe. Consider using _snprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.  
• 1>        d:\program files\microsoft visual studio 9.0\vc\include\stdio.h(358) : see declaration of '_snprintf'  
• 1>WindowCreator.cpp  
• 1>winEmbed.cpp  
• 1>e:\mz_test_code\mozillademo\mozillademo\winembed.cpp(163) : warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.  
• 1>        d:\program files\microsoft visual studio 9.0\vc\include\string.h(157) : see declaration of 'strncpy'  
• 1>e:\mz_test_code\mozillademo\mozillademo\winembed.cpp(198) : warning C4996: '_snprintf': This function or variable may be unsafe. Consider using _snprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.  
• 1>        d:\program files\microsoft visual studio 9.0\vc\include\stdio.h(358) : see declaration of '_snprintf'  
• 1>e:\mz_test_code\mozillademo\mozillademo\winembed.cpp(1086) : warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.  
• 1>        d:\program files\microsoft visual studio 9.0\vc\include\string.h(157) : see declaration of 'strncpy'  
  

winEmbed.cpp文件里添加#pragma comment(lib, "D:/1.9.2rc1/xulrunner-1.9.2rc1.source/mozilla-1.9.2/profile/dirserviceprovider/standalone/profdirserviceprovidersa_s.lib")
否则将产生错误

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• 1>winEmbed.obj : error LNK2019: unresolved external symbol "unsigned int __cdecl NS_NewProfileDirServiceProvider(int,class nsProfileDirServiceProvider * *)" (?NS_NewProfileDirServiceProvider@@YAIHPAPAVnsProfileDirServiceProvider@@@Z) referenced in function "unsigned int __cdecl StartupProfile(void)" (<a href="mailto:?StartupProfile@@YAIXZ">?StartupProfile@@YAIXZ</a>)