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Date:	Thu, 26 Oct 2000 17:11:34 -0400
To:	Jean-Luc Vay <JLVay AT lbl DOT gov>, cygwin AT sources DOT redhat DOT com
From:	"Larry Hall (RFK Partners Inc)" <lhall AT rfk DOT com>
Subject:	Re: problem linking cygwin/gcc and pgf90 object files
In-Reply-To:	<39F89DD6.6D85961B@lbl.gov>
Mime-Version:	1.0

At 05:10 PM 10/26/00, Jean-Luc Vay wrote:
>Hi,
>
>since I installed the new version of cygwin 1.1.4, I have a linking
>problem
>between cygwin/gcc object files and Portland Group FORTRAN object
>files. When linkg using pgcc, I get the following undefined reference
>
>>pgcc  python.o warp/*.o ../libpython1.5.a
>-LC:/cygwin/usr/local/lib/yorick/1.4/lib -L/PGI/nt86/lib
>-LC:/cygwin/usr/X11r6/lib -lgist -lX11 -llapack -lblas -lpgf90
>-lpgf90_rpm1 -lpgf902 -lpgf90rtl -lpghpf
>-lgcc -lcygwin -lcrtdll -cyglibs -o pywarp
>C:\PGI/nt86/lib/pgstdinit-cygnus.o(.text+0x41d):pgstdinit.c: undefined
>reference to `__imp__timezone'
>
>although '__imp__timezone' is in libcygwin.a. I did not get this error
>message when I was use cygwinb20.
>
>I also tried to link using cygwin/gcc instead and was successful using
>
>gcc  -g python.o warp/*.o ../libpython1.5.a
>-L/usr/local/lib/yorick/1.4/lib -L/c/PGI/nt86/libtest -L/usr/X11r6/lib
>-lgist -lX11
>-lm
>-llapack -lblas -lpgf90 -lpgf90_rpm1 -lpgf902 -lpgf90rtl -lpghpf -lpgc
>-lcrtdll -o pywarp
>
>Unfortunately, I got errors at run time (while trying to write
>in FORTRAN subroutines):
>
>Program received signal SIGSEGV, Segmentation fault.
>0x41c044 in prntpara (dxperp=Cannot access memory at address 0x0.
>) at dtop.f:2461
>2461    dtop.f: No such file or directory.
>Current language:  auto; currently fortran
>(gdb) where
>#0  0x41c044 in prntpara (dxperp=Cannot access memory at address 0x0.
>) at dtop.f:2461
>#1  0x76ef51 in __hpfio_fcvt ()
>#2  0x76277f in __hpfio_fmt_f ()
>#3  0x75a0d1 in fw_writenum ()
>#4  0x759a08 in fw_write ()
>#5  0x75944b in __f90io_fmt_write ()
>#6  0x7594f1 in pgf90io_fmt_write ()
>#7  0x42b8c2 in stepid (it=0, time=0, zbeam=0) at dtop.f:11140
>
>I did not receive yet a solution to this problem from the Portland
>Group.
>Does someone at cygwin has a clue especially concerning the
>undefined reference to `__imp__timezone'?


No, but removing -lcrtdll and -lm may clean up your runtime errors with
the gcc version.  Using these with the Cygwin version invites trouble!;-)



Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX
                                        


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