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Date: Tue, 31 Mar 2015 17:14:25 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [64 bit] linking with gfortran: error message in w32api/libkernel32.a
Message-ID: <20150331151425.GK13285@calimero.vinschen.de>
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On Mar 31 12:57, Seher, Holger Dr. wrote:
> Dear Cygwin community,
> I'm trying to compile and link some software we recently acquired using g=
fortran (4.9.2) under Cygwin64 (1.7.35-1) on Windows 7 (see attachment for =
installed packages). On Linux the program is linked correctly with both gfo=
rtran and ifort. However while linking with Cygwin64 I get the following er=
ror messages:
>=20
> --ERRORS------------------
> /usr/lib/gcc/x86_64-pc-cygwin/4.9.2/crtbegin.o:cygming-crtbegin.c:(.text+=
0x2b): relocation truncated to fit: R_X86_64_PC32 against symbol `__imp_Get=
ModuleHandleA' defined in .idata$5 section in /usr/lib/w32api/libkernel32.a=
(dcxms00548.o)
> /usr/lib/gcc/x86_64-pc-cygwin/4.9.2/crtbegin.o:cygming-crtbegin.c:(.text+=
0x47): relocation truncated to fit: R_X86_64_PC32 against symbol `__imp_Get=
ProcAddress' defined in .idata$5 section in /usr/lib/w32api/libkernel32.a(d=
cxms00598.o)
> XXX.o:XXX.f:(.text+0x12a): relocation truncated to fit: R_X86_64_PC32 aga=
inst symbol `XXX_' defined in COMMON section in XXX.o
> --ERRORS------------------
>=20
> Used fflags: gfortran -O0  -fdefault-integer-8  -fdefault-double-8  -fdef=
ault-real-8  -ffixed-form  -fbacktrace  -fopenmp  -fstack-arrays  -mcmodel=
=3Dlarge
>=20
> If I use the -mcmodel=3Dmedium on Linux the program does not link due to =
size problems. That's why I use -mcmodel=3Dlarge.

Try to build without -mcmodel=3Dlarge on Cygwin.  It might be a problem
with crtbegin.o being built for the medium code model used for Cygwin
applications by default.  If that doesn't work, you'd probably need
another set of gcc CRT files built for the large code model.

> As far as I understand the error message and as stated by Corinna in
> https://sourceware.org/ml/cygwin-developers/2013-04/msg00011.html

This is about compiler intrinsics and has nothing to do with your
problem, sorry.=20=20


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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