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On Fri, Jun 09, 2000 at 12:38:54PM -0500, Parker, Ron wrote: >> >bash-2.04$ g++ -mno-cygwin -fno-rtti hello.cpp -o hello >> >/usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/libgcc.a(_eh.o): In function >> >`_eh_rtime_match': >> >/home/src/gcc-2.95.2/gcc/./libgcc2.c(.text+0x389): undefined >> reference to >> >`_impure_ptr' >> >collect2: ld returned 1 exit status >> > >> >If your source code will compile with -fno-exceptions, it >> should work in >> >most cases. >> >> Hmm. We noticed this when building strace and Mumit >> submitted a workaround >> for it. If you search the cygwin-developers archive you >> might find the >> reason for this. I think that the gcc library is somehow >> pulling in bits >> of the cygwin library. > >Unfortunately compiling with -fno-exceptions isn't always an option and >adding a dummy "int _impure_ptr;" declaration as was done in strace does not >work always work. Even the simple eh_hello.cpp I wrote up will GP if you >try this. I have also compiled and linked against Mumit's ming-extras >package it still dies. Oh, I didn't mean to propose this as a fix. It definitely isn't. "We" really should fix this problem. >I feel like the great white bug hunter. "Dr. Livingston, I presume?" > >Which brings the following sick story to mind, >http://www.qnx.com/~glen/deadbeef/3821.html. It is gross and disgusting. >You have been warned. I have seen this story before. It is quite... tragic. cgf
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