[Mono-dev] Repeat builds of core assemblies
Alex J Lennon
ajlennon at dynamicdevices.co.uk
Mon May 12 16:35:32 UTC 2014
On 12/05/2014 17:30, Bryan Crotaz wrote:
> Ooooh pretty..... Will give it a go.
>
> Can the build script be extended to install needed cygwin packages if
> they're missing? When I first tried to build I had no idea how to
> find the packages, or how to install them - for newbie contributors
> this would remove a lot (in my case 2 days) of head scratching.
>
That's an interesting idea Bryan. I'd love it if the Win32 build process
was a little more streamlined but I wouldn't know where to begin myself
within the Mono build scripting at present.
In the short-term it might be possible to do something with a script
using one of the command-line package managers for Cygwin (e.g. apt-cyg)
I could have a look at that when I have time maybe if the Cygwin UI
setup app is proving a hurdle.
>
> On 12 May 2014 17:23, Alex J Lennon <ajlennon at dynamicdevices.co.uk
> <mailto:ajlennon at dynamicdevices.co.uk>> wrote:
>
>
> On 12/05/2014 17:07, Bryan Crotaz wrote:
>> Will this make building on windows possible?
>>
> Bryan,
>
> I've written a walkthrough here for building 3.4.0 from the
> release tarball and 3.4.1 from git on Windows.
>
> http://www.codeproject.com/Articles/769292/How-to-build-Mono-on-Windows
>
> Best regards, Alex
>
>
>> Bryan Crotaz
>> Silver Curve
>>
>> On 12 May 2014, at 16:59, Miguel de Icaza <miguel at xamarin.com
>> <mailto:miguel at xamarin.com>> wrote:
>>
>>> Hey guys,
>>>
>>> Another update: I am almost done with the work, only one cycle
>>> left to resolve and I will be able to land the changes.
>>>
>>> All the changes are on a branch on github.
>>>
>>> MIguel
>>>
>>>
>>> On Fri, May 2, 2014 at 4:27 PM, Miguel de Icaza
>>> <miguel at xamarin.com <mailto:miguel at xamarin.com>> wrote:
>>>
>>> Hello guys,
>>>
>>> Just a follow up to my previous posting on this.
>>>
>>> I have managed to untangle this mess, and now I have a clean
>>> build that does not involve overwriting assemblies.
>>>
>>> In addition to untangling this, I added dependencies on all
>>> the assemblies involved in this circular dependency mess so
>>> if you type "make" in any of System, System.Xml,
>>> System.Security, Mono.Security or System.Configuration, all
>>> the dependencies will be properly built.
>>>
>>> During the fixing, I noticed that our System.Xml build must
>>> have broke a few eons ago, because there was code in place
>>> to perform a 2-stage System.Xml build as well (without and
>>> with System.Configuration support), but nobody noticed that
>>> this had happened. While I fixed this, it raises the
>>> obvious point that nobody really cares (or likes)
>>> System.Configuration.
>>>
>>> While doing this review, I found a few other places that
>>> also have these ugly loops, so I am going to be fixing those
>>> as well.
>>>
>>> Miguel
>>>
>>>
>>> On Tue, Apr 22, 2014 at 3:53 PM, Miguel de Icaza
>>> <miguel at xamarin.com <mailto:miguel at xamarin.com>> wrote:
>>>
>>> Hey guys,
>>>
>>> I was looking at making the MSBuild system work, and
>>> during the process I have encountered a few problems
>>> that we have in our existing build system that are
>>> problematic.
>>>
>>> The problem is that System, System.XML and
>>> System.Configuration are each defined in terms of the
>>> other assemblies. So we gradually bring up each one of
>>> those assemblies up by first compiling a stub System,
>>> which we use to build System.XML and
>>> System.Configuration. Then we rebuild System, this
>>> time referencing System.XML and System.Configuration so
>>> we can take a dependency on them, and so on.
>>>
>>> To build a complete System.dll for a particular profile
>>> (net_2_0, net_4_0, etc) takes three steps:
>>>
>>> * Core Build
>>> * Secondary Build:
>>> o Core Build +
>>> o Defines: XML_DEP + SECURITY_DEP
>>> o Refs:
>>> + -r:PrebuiltSystem=../lib/Previous/System.dll
>>> + -r:System.Xml.dll
>>> + -r:MonoSecurity=Mono.Security.dll
>>> * Final Build:
>>> o Secondary Build +
>>> o defines: -d:CONFIGURATION_DEP
>>> o Refs:
>>> + System.Configuration.dll
>>>
>>> The above is what is required to bring up System.
>>>
>>> Our implementation has one major problem: it overwrites
>>> the intermediate files. So the core build output is
>>> overwritten by the secondary build, and the secondary
>>> build is overwritten by the final build.
>>>
>>> It seems that historically, instead of introducing
>>> temporary directories for each stage, instead we hacked
>>> our way out of it. We introduced a
>>> LIBRARY_USE_INTERMEDIATE_FILE whose sole purpose was to
>>> work around the case where Windows was actively telling
>>> us we were doing something wrong (we were overwriting a
>>> file that we were actively referencing!)
>>>
>>> The above is also likely going to prevent reliable
>>> parallel builds, or probably means that we introduced
>>> some gross hack to make the above work in parallel.
>>>
>>> I am going to try to fix this, but the Makefile goop is
>>> pretty dense, and I might fail. I just figured I
>>> should share my findings in case civilization comes to
>>> an end and a future archeologist tries to figure out why
>>> this was not working.
>>>
>>> These are the defines that we use to bring up System for
>>> each profile:
>>>
>>> basic Profile:
>>>
>>> basic: -d:NET_1_1 -d:NET_2_0 -d:BOOTSTRAP_BASIC
>>> -d:CONFIGURATION_2_0
>>>
>>> basic: -d:NET_1_1 -d:NET_2_0 -d:BOOTSTRAP_BASIC
>>> -d:CONFIGURATION_2_0 -d:XML_DEP
>>>
>>>
>>> Build Profile:
>>>
>>> build: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:CONFIGURATION_2_0
>>>
>>> build: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:CONFIGURATION_2_0 -d:XML_DEP
>>>
>>>
>>> Net 2.0 profile:
>>>
>>> net_2_0: -d:NET_1_1 -d:NET_2_0 -d:CONFIGURATION_2_0
>>>
>>> net_2_0: -d:NET_1_1 -d:NET_2_0 -d:CONFIGURATION_2_0
>>> -d:XML_DEP -d:SECURITY_DEP
>>>
>>> net_2_0: -d:NET_1_1 -d:NET_2_0 -d:CONFIGURATION_2_0
>>> -d:XML_DEP -d:SECURITY_DEP -d:CONFIGURATION_DEP
>>>
>>>
>>> Net 4.0 profile:
>>>
>>> net_4_0: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:CONFIGURATION_2_0
>>>
>>> net_4_0: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:CONFIGURATION_2_0 -d:XML_DEP -d:SECURITY_DEP
>>>
>>> net_4_0: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:CONFIGURATION_2_0 -d:XML_DEP
>>> -d:SECURITY_DEP -d:CONFIGURATION_DEP
>>>
>>>
>>> Net 4.5 profile:
>>>
>>> net_4_5: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:NET_4_5 -d:CONFIGURATION_2_0
>>>
>>> net_4_5: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:NET_4_5 -d:CONFIGURATION_2_0 -d:XML_DEP
>>> -d:SECURITY_DEP
>>>
>>> net_4_5: -d:NET_1_1 -d:NET_2_0 -d:NET_3_0 -d:NET_3_5
>>> -d:NET_4_0 -d:NET_4_5 -d:CONFIGURATION_2_0 -d:XML_DEP
>>> -d:SECURITY_DEP -d:CONFIGURATION_DEP
>>>
>>>
>>> Miguel
>>>
>>>
>>>
>>> _______________________________________________
>>> Mono-devel-list mailing list
>>> Mono-devel-list at lists.ximian.com
>>> <mailto:Mono-devel-list at lists.ximian.com>
>>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>>
>>
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>
>
>
>
> --
> Bryan Crotaz
> Managing Director
> Silver Curve
--
Dynamic Devices Ltd <http://www.dynamicdevices.co.uk/>
Alex J Lennon / Director
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