On Wed, Jun 20, 2012 at 1:39 PM, James Johnston <jam...@motionview3d.com> wrote: >> -----Original Message----- >> Sent: Wednesday, June 20, 2012 16:27 >> Subject: stdout not visible on some programs after upgrading from to > 1.7.11- >> 1 to 1.7.15-1 >> >> Hello, >> >> I use cygwin on a windows 7 machine to automate a Visual Studio 10 build >> from the command line. To do this, I invoke MSBuild.exe with a wrapper >> script called msbuild.sh (see below). Under cygwin 1.7.11-1, the stdout > from >> msbuild.exe appears on the console where I invoke msbuild.sh as expected. >> But after a recent upgrade to 1.7.15-1, the stdout stops appearing. By >> inspecting the running processes in the windows task manager, I see that >> msbuild.exe is launching the compiler, etc. Notably, if I replace the >> invocation of msbuild.exe with another program (e.g., dir), I do see the >> expected stdout. >> Further, if I execute the relevant commands in the native cmd shell, I do > see >> the msbuild.exe output. I considered tracking down the specific package >> that lead to this regression, but I didn't find a mirror with the older > packages. >> Below I've pasted the output of cygcheck -c for the working and failing >> systems. Can somebody advise me on a sensible next steps to recovering >> the stdout of msbuild.exe? >> >> Please CC me in responses. >> >> Thanks, >> Brian > > <snip> > > Try both of the following: > > 1. Update to latest development snapshot, should resolve the bug you are > primarily observing. > 2. Set the CYGWIN environment variable to pipe_byte. Cygwin now uses > message pipes by default, which are not compatible with .NET Framework and > Visual C++ runtimes (not currently documented anywhere in Cygwin or MS > documentation).
For kicks, I tried 2 by itself. This didn't change the behavior. Next, I tried 1 by itself as described in [1]. This worked. Adding in CYGWIN=pipe_byte did not cause anything to change. So I presume this will be fixed in the next release. Thanks for your time. Ciao, Brian [1] http://cygwin.com/faq-nochunks.html#faq.setup.snapshots -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
