[Mono-dev] Compiling on Windows

SmokingRope smokingrope at gmail.com
Mon Jul 15 14:47:33 UTC 2013 

<http://bcl.codeplex.com/wikipage?title=Long%20Path&referringTitle=Home>

There does exists some existing open source code simplifying the use of
long file names.

http://bcl.codeplex.com/wikipage?title=Long%20Path&referringTitle=Home

I can't speak to the immediate viability of using it with mono, however it
could probably (at least) be useful to get things rolling.


It's not a simple matter of prepending \\?\ to every path. What if the path
> already has \\?\ or one of those other strange Windows prefixes or is a UNC
> path, which normally begins \\server\share but would have to become
> \\?\UNC\server\share? You also can't use \\?\ with relative paths. Forward
> slashes don't get converted to backslashes in \\?\ paths. There are a
> multitude of issues that would need to be dealt with, some of them covered
> here:
> http://blogs.msdn.com/b/bclteam/archive/2007/02/13/long-paths-in-net-part-1-of-3-kim-hamilton.aspx
>
> Windows path rules are kind of insane.
>
>
> On Wed, Jul 10, 2013 at 9:49 AM, Jonathan Chambers <joncham at gmail.com>wrote:
>
>> Or maybe we could try long path support on WIndows.
>>
>>
>> http://msdn.microsoft.com/en-us/library/windows/desktop/aa364944(v=vs.85).aspx
>>
>> "In the ANSI version of this function, the name is limited to *MAX_PATH* characters.
>> To extend this limit to 32,767 wide characters, call the Unicode version of
>> the function and prepend "\\?\" to the path. For more information, see File
>> Names, Paths, and Namespaces<http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx>
>> ."
>>
>> Thanks,
>> Jonathan
>>
>>
>> On Tue, Jul 9, 2013 at 11:22 PM, Greg Najda <gregnajda at gmail.com> wrote:
>>
>>> Following up on this, I finally got it figured it. The length of my
>>> checkout directory is too long at 49 chars, which is not really that long.
>>> I did some digging and found that Mono uses GetFileAttributes to check for
>>> the existence of a file in Windows. So I made a test program in C that
>>> takes a path on the command line and calls GetFileAttributes on it.
>>>
>>> #include <Windows.h>
>>> #include <stdio.h>
>>>
>>> int _tmain(int argc, _TCHAR* argv[])
>>> {
>>>     DWORD res = GetFileAttributes(argv[1]);
>>>
>>>     if(res != -1)
>>>     {
>>>         printf("GetFileAttributes: Found.\r\n");
>>>     }
>>>     else
>>>     {
>>>         printf("GetFileAttributes: Not found. Error code: %d\r\n",
>>> GetLastError());
>>>     }
>>>
>>>     return 0;
>>> }
>>>
>>> I added two files to
>>> external\entityframework\src\EntityFramework.SqlServer\Resources\System\Data\SqlClient:
>>> System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping123.msl
>>> and
>>> System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping1234.msl.
>>>
>>>
>>> C:\Users\Greg\Documents\Programming\mono_nul_fork\mcs\class\EntityFramework.SqlServer>MonoFileExistsTest.exe
>>> ../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping123.msl
>>> GetFileAttributes: Found.
>>>
>>> C:\Users\Greg\Documents\Programming\mono_nul_fork\mcs\class\EntityFramework.SqlServer>MonoFileExistsTest.exe
>>> ../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping1234.msl
>>> GetFileAttributes: Not found. Error code: 3
>>>
>>> ../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping1234.msl
>>> is only 174 chars, much lower than MAX_PATH of 260 chars. What gives?
>>>
>>> Well, if you put the current directory before the relative path so it
>>> becomes
>>> C:\Users\Greg\Documents\Programming\mono_nul_fork\mcs\class\EntityFramework.SqlServer\../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping1234.msl,
>>> then that is exactly 260 chars. With null terminator, it's 261 and over
>>> MAX_PATH. I guess Windows prepends the current directory before checking
>>> path length.
>>>
>>> Interestingly, .NET's File.Exists does not encounter the same problem.
>>> If I run mcs using .NET instead of Mono, the particular compile step that
>>> failed works. I wonder what sorcery it does?
>>>
>>> Perhaps add a suggestion to
>>> http://www.mono-project.com/Compiling_Mono_on_Windows to keep the path
>>> length of your checkout directory extremely short.
>>>
>>> https://wrench.mono-project.com/Wrench/index.aspx?show_all=true shows
>>> the Windows build as still broken so this was all with the last revision
>>> that Wrench shows to successfully build.
>>>
>>>
>>> On Thu, Jun 27, 2013 at 10:24 PM, Greg Najda <gregnajda at gmail.com>wrote:
>>>
>>>> I'm new to git. I'm using Atlassian SourceTree as a git gui. I'm pretty
>>>> sure it updates submodules after cloning. I ran "git submodule update"
>>>> anyway, which produced no output, and then tried building again and got
>>>> the same error.
>>>>
>>>> After pulling the latest changes I get a new error earlier in the build:
>>>>
>>>> make[3]: *** No rule to make target `mono-sgen', needed by `mono'.
>>>> Stop.
>>>>
>>>>
>>>> On Wed, Jun 26, 2013 at 11:12 AM, Rodrigo Kumpera <kumpera at gmail.com>wrote:
>>>>
>>>>> Update your git submodules.
>>>>>
>>>>>
>>>>> On Tue, Jun 25, 2013 at 10:05 PM, Greg Najda <gregnajda at gmail.com>wrote:
>>>>>
>>>>>> I'm running into some trouble compiling Mono on Windows. Here are the
>>>>>> steps I followed:
>>>>>>
>>>>>> 1. Do a git clone (using 1b5ef4d3df262c66f58596bda152db5f4c34741c,
>>>>>> "Add a GSHAREDVT_REG_IREG return marshalling convention on ARM.",
>>>>>> 2013-06-23)
>>>>>> 2. Install cygwin. Include packages: autoconf, automake, bison,
>>>>>> gcc-core, gcc-g++, libtool, make, python, wget, zip (all from
>>>>>> http://www.mono-project.com/Compiling_Mono_on_Windows),
>>>>>> mingw-pthreads (get an error with mono/utils/atomic.c without it because it
>>>>>> #includes <pthread.h>), gettext, gettext-devel (seem to be missing msgfmt
>>>>>> without the devel package)
>>>>>> 3. Start cygwin
>>>>>> 4. Copy checkout to /home/Greg/mono
>>>>>> 5. Run:
>>>>>>
>>>>>> export PATH="$PATH:/cygdrive/c/Program Files (x86)/Mono-3.0.10/bin"
>>>>>> cd mono
>>>>>> ./autogen.sh --prefix=/usr/local 2>&1 | tee
>>>>>> ~/autogen_output_with_stderror.txt
>>>>>> make V=1 2>&1 | tee ~/make_output_with_stderror_verbose.txt
>>>>>>
>>>>>>
>>>>>> I did see this in the autogen output. Is it anything to be concerned
>>>>>> about?
>>>>>>
>>>>>> checking winternl.h usability... no
>>>>>> checking winternl.h presence... yes
>>>>>> configure: WARNING: winternl.h: present but cannot be compiled
>>>>>> configure: WARNING: winternl.h:     check for missing prerequisite
>>>>>> headers?
>>>>>> configure: WARNING: winternl.h: see the Autoconf documentation
>>>>>> configure: WARNING: winternl.h:     section "Present But Cannot Be
>>>>>> Compiled"
>>>>>> configure: WARNING: winternl.h: proceeding with the compiler's result
>>>>>> configure: WARNING:     ##
>>>>>> ----------------------------------------------------------------------------
>>>>>> ##
>>>>>> configure: WARNING:     ## Report this to
>>>>>> http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono ##
>>>>>> configure: WARNING:     ##
>>>>>> ----------------------------------------------------------------------------
>>>>>> ##
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Here are the last several lines of output from make:
>>>>>>
>>>>>> make[7]: Entering directory
>>>>>> `/home/Greg/mono/mcs/class/EntityFramework.SqlServer'
>>>>>> make all-local
>>>>>> make[8]: Entering directory
>>>>>> `/home/Greg/mono/mcs/class/EntityFramework.SqlServer'
>>>>>> Converting EntityFramework.SqlServer.dll.sources to
>>>>>> ../../build/deps/net_4_5_EntityFramework.SqlServer.dll.response ...
>>>>>> MONO_PATH="./../../class/lib/net_4_5;$MONO_PATH"
>>>>>> /home/Greg/mono/runtime/mono-wrapper  ./../../class/lib/net_4_5/resgen.exe
>>>>>> "../../../external/entityframework/src/EntityFramework.SqlServer/Properties/Resources.SqlServer.resx"
>>>>>> "System.Data.Entity.SqlServer.Properties.Resources.SqlServer.resources"
>>>>>> Read in 44 resources from
>>>>>> 'C:\Users\Greg\Documents\Programs\cygwin\home\Greg\mono\external\entityframework\src\EntityFramework.SqlServer\Properties\Resources.SqlServer.resx'
>>>>>> Writing resource file...  Done.
>>>>>> MONO_PATH="./../../class/lib/build;$MONO_PATH"
>>>>>> /home/Greg/mono/runtime/mono-wrapper  ./../../class/lib/build/mcs.exe
>>>>>> /codepage:65001  /nologo -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>>>>> -d:NET_4_0 -d:NET_4_5 -nowarn:1699 -nostdlib -lib:./../../class/lib/net_4_5
>>>>>> -r:mscorlib.dll /debug+ /debug:full -optimize  /noconfig -r:System.dll
>>>>>> -r:System.Xml.dll -r:System.Core.dll -r:EntityFramework.dll
>>>>>> -r:System.Data.dll  -keyfile:../ecma.pub -delaysign -warn:1
>>>>>> -resource:System.Data.Entity.SqlServer.Properties.Resources.SqlServer.resources
>>>>>> -resource:../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.ProviderManifest.xml
>>>>>> -resource:../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinition.ssdl
>>>>>> -resource:../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinition_Sql8.ssdl
>>>>>> -resource:../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinitionVersion3.ssdl
>>>>>> -resource:../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinitionVersion3_Sql8.ssdl
>>>>>> -resource:../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping.msl
>>>>>> -resource:../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMappingVersion3.msl
>>>>>> -target:library -out:../../class/lib/net_4_5/EntityFramework.SqlServer.dll
>>>>>> @./../../build/deps/net_4_5_EntityFramework.SqlServer.dll.response
>>>>>> error CS1566: Error reading resource file
>>>>>> `../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinition.ssdl'
>>>>>> error CS1566: Error reading resource file
>>>>>> `../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinition_Sql8.ssdl'
>>>>>> error CS1566: Error reading resource file
>>>>>> `../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinitionVersion3.ssdl'
>>>>>> error CS1566: Error reading resource file
>>>>>> `../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaDefinitionVersion3_Sql8.ssdl'
>>>>>> error CS1566: Error reading resource file
>>>>>> `../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMapping.msl'
>>>>>> error CS1566: Error reading resource file
>>>>>> `../../../external/entityframework/src/EntityFramework.SqlServer/Resources/System/Data/SqlClient/System.Data.Resources.SqlClient.SqlProviderServices.StoreSchemaMappingVersion3.msl'
>>>>>> Compilation failed: 6 error(s), 0 warnings
>>>>>> ../../build/library.make:256: recipe for target
>>>>>> `../../class/lib/net_4_5/EntityFramework.SqlServer.dll' failed
>>>>>> make[8]: *** [../../class/lib/net_4_5/EntityFramework.SqlServer.dll]
>>>>>> Error 1
>>>>>> make[8]: Leaving directory
>>>>>> `/home/Greg/mono/mcs/class/EntityFramework.SqlServer'
>>>>>> ../../build/rules.make:137: recipe for target `do-all' failed
>>>>>> make[7]: *** [do-all] Error 2
>>>>>> make[7]: Leaving directory
>>>>>> `/home/Greg/mono/mcs/class/EntityFramework.SqlServer'
>>>>>> ../build/rules.make:158: recipe for target `all-recursive' failed
>>>>>> make[6]: *** [all-recursive] Error 1
>>>>>> make[6]: Leaving directory `/home/Greg/mono/mcs/class'
>>>>>> build/rules.make:158: recipe for target `all-recursive' failed
>>>>>> make[5]: *** [all-recursive] Error 1
>>>>>> make[5]: Leaving directory `/home/Greg/mono/mcs'
>>>>>> Makefile:99: recipe for target `profile-do--net_4_5--all' failed
>>>>>> make[4]: *** [profile-do--net_4_5--all] Error 2
>>>>>> make[4]: Leaving directory `/home/Greg/mono/mcs'
>>>>>> Makefile:95: recipe for target `profiles-do--all' failed
>>>>>> make[3]: *** [profiles-do--all] Error 2
>>>>>> make[3]: Leaving directory `/home/Greg/mono/mcs'
>>>>>> Makefile:547: recipe for target `all-local' failed
>>>>>> make[2]: *** [all-local] Error 2
>>>>>> make[2]: Leaving directory `/home/Greg/mono/runtime'
>>>>>> Makefile:463: recipe for target `all-recursive' failed
>>>>>> make[1]: *** [all-recursive] Error 1
>>>>>> make[1]: Leaving directory `/home/Greg/mono'
>>>>>> Makefile:390: recipe for target `all' failed
>>>>>> make: *** [all] Error 2
>>>>>>
>>>>>>
>>>>>>
>>>>>> Complete autogen log is at
>>>>>> http://pastie.org/private/mo0bnluwmekwiws4na4zg and complete make
>>>>>> log is at
>>>>>> http://www.animerecs.com/Content/make_output_with_stderror_verbose.txt(too big for a pastebin site so I put it on my own site).
>>>>>>
>>>>>> Any ideas? Also, is there a way to only build the mono runtime and/or
>>>>>> a way to only run the tests for a particular component? I'm primarily
>>>>>> interested in testing a bugfix for
>>>>>> https://bugzilla.xamarin.com/show_bug.cgi?id=12752.
>>>>>>
>>>>>> - Greg
>>>>>>
>>>>>> _______________________________________________
>>>>>> Mono-devel-list mailing list
>>>>>> Mono-devel-list at lists.ximian.com
>>>>>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Mono-devel-list mailing list
>>>>> Mono-devel-list at lists.ximian.com
>>>>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>>>>>
>>>>>
>>>>
>>>
>>> _______________________________________________
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>>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>>>
>>>
>>
>
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