14.03.2014 00:53, Hermès BÉLUSCA - MAÏTO пишет: > > Hi all ! > > > > ReactOS severely needs to be self-hostable for many reasons, one of it > because it could allow people who only have Linux to be able to > program / debug ReactOS with Windows tools (e.g. we have some people > here and there complaining that they cannot use powerful debugging > programs for debugging ReactOS (e.g. WinDbg and so on with MSVC builds > of ReactOS) and therefore restrain themselves in using the “Goode > Olde” GCC + DPRINT method, because they are running only on Linux). > Something more personal is that I really want to program ReactOS on > itself (in a VM) when it becomes self-hostable. But there are **only** > few steps remaining before ReactOS can really be in such situation !! > > > > I’ve already tested RosBE on it and I was able to download and > configure a build. But there **are still** problems. > > > > Here is my setup on a VM: main HDD of letter drive C: with ReactOS, > second HDD of letter drive D: with ROS source code in D:\rossrc, third > HDD of letter drive E: with build output files in E:\rosbuild . > > After having successfully configured a build in the usual way > (E:\rosbuild> D:\rossrc\configure.cmd), I first tried to compile the > host-tools (cd host-tools && ninja). The first thing that I’ve noticed > is that doing so retriggered a configure, then the compilation as > wanted. I retried again, and again it reconfigured the build before > actually rebuilding the host-tools. The same phenomenon appears then > when trying to build ReactOS proper. > > After analyzing produced files by the configuration step and comparing > with a clean build on windows 2k3, it became clear that few files were > missing, because obviously not generated: > > E:\rosbuild\host-tools\CMakeFiles\2.8.10.2-ReactOS\CMakeCCompiler.cmake and > CMakeCXXCompiler.cmake . The other .cmake files that should also be > present here (CMakeRCCompiler.cmake and CMakeSystem.cmake) as well as > two .bin files and two subdirectories where present (and contain the > same things). > > I was suggesting it might be a problem with the command-line > interpreter, so I changed our cmd.exe with the one of windows 2000 > (not win2k3, because the latter makes extra calls to some security > APIs of advapi32 – not implemented on ReactOS – before running .bat / > .cmd files, and it fails), but nothing changed, the files were not > still present. > > After having enabled extra debug output of cmake (that is called when > configuring a build) by adding the flags “--debug-output --trace” > (without quotes) in the cmake calls in configure.cmd (and after > redirecting console stdout + stderr to a file when retrigerring a > clean configuration), doing that on ReactOS **and** on win2k3 for > comparison purposes, I saw that, at some point, some cmake flags > concerning compiler recognition (à la: “CMAKE_GCC_EXISTS” for example) > weren’t set to TRUE or FALSE, but were kept empty. > > So I’m wondering whether it is actually some issue, either concerning > our C runtime library (e.g. some called sprintf-like function fails or > whatever) is buggy and something fails, OR, something file-system > related. Concerning file-system, you know that we have LOTS of > kernel32:file winetests failing, about problems for deleting files, > recreating (or just creating) them, and so on… Maybe for some reason > cmake fails to create those CMake(C/CXX)Compiler.cmake files for the > same reason one of the kernel32:file tests fail ? > > I don’t know, this previous point being speculative since I didn’t > test anything regarding that. > > > > Therefore it would be very nice **to see you all** trying to uncover > where this bug comes from so that you can **finally** declare ReactOS > self-hostable before, maybe, the next release !! > > > > Cheers, > > Hermès > >
Hello. Thanks for sharing. That problem is urgent for me. I will certainly take a look on it, if I have an opportunity to work on ReactOS more closely.
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