Ronald Landheer-Cieslak
Wed Dec 1 18:37:00 GMT 2004

Hash: SHA1

Daniel Kegel wrote:

| Dan Kegel wrote:
|>> I tried to setup a cross toolchain with latest "cygwin" and
|>> "crosstool-0.28-rc37" for developing on a Win2K computer. When
|>> I enable PARALLELMFLAGS="-j2" on my Pentium 4  machine
|>> (hyperthreading enabled), "make" aborts after a while with
|>> following messages:
|>> ... echo '' >
|>> /crosstool/crosstool-0.28-rc37/build/i386-linux/gcc-3.3.4-glibc-2.3.3/
|>> build-glibc/iconv/stamp.oSTT make[2]: *** No rule to make
|>> target `/crosstool/crosstool-0.28-rc37/build/i386-l
|>> inux/gcc-3.3.4-glibc-2.3.3/build-glibc/locale/stamp.oST',
|>> needed by
|>>  Stop.
|>> Any idea what went wrong? "make" running only one job at a time
|>>  works fine.
|> Heavens!  It really said stamp.oSTT?  That sounds like a bug in
|> the patch, or maybe the log file stepping on itself. Can you make
|> sure a search the glibc Makefiles for the string oSTT fails?
| (I mean the ones left in the build directory after a failed run.)
|> It should not occur.
|> I guess there might be a problem in the glibc Makefiles with
|> respect to parallel building.  If you can reproduce this with
|> glibc from cvs, it might be worth reporting to libc-alpha.
| It also might be a thread safety or hyperthreading bug with cygwin.
|  - Dan
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For the record: there are known issues with Hyperthreading on Cygwin
which will not be fixed until cgf has a hyperthreading machine:


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