I've run into a problem using the FortranCInterface_VERIFY macro with
the Nag Fortran compiler. If the Fortran compiler flags contain the
'-g90' option, it fails because Nag tries to write a debug file (*.g90)
to the same directory as the source Fortran file. In most cases, a user
does not have write permission in the CMake installation location and
the compile fails. I can not control where Nag writes these debug files.
Suggestions on how to work around this other than skipping this test if
using Nag with the '-g90' option?
Example CMakeLists.txt file:
cmake_minimum_required(VERSION 2.8)
project(Foo C Fortran)
include(FortranCInterface)
FortranCInterface_VERIFY()
Error Output:
Building Fortran object CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
<redacted>/nag/5.2.724/bin/nagfor -g90
-I<redacted>/foo/CMakeFiles/FortranCInterface/VerifyC -c
/opt/packages/cmake/2.8.8/share/cmake-2.8/Modules/FortranCInterface/Verify/VerifyFortran.f
-o CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
NAG Fortran Compiler Release 5.2(724)
Obsolescent:
/opt/packages/cmake/2.8.8/share/cmake-2.8/Modules/FortranCInterface/Verify/VerifyFortran.f,
line 1: Fixed source form
Fatal Error:
/opt/packages/cmake/2.8.8/share/cmake-2.8/Modules/FortranCInterface/Verify/VerifyFortran.f:
Cannot create file
/opt/packages/cmake/2.8.8/share/cmake-2.8/Modules/FortranCInterface/Verify/VerifyFortran.g90
gmake[2]: *** [CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o] Error 2
gmake[2]: Leaving directory
`<redacted>/foo/CMakeFiles/FortranCInterface/VerifyC'
gmake[1]: *** [CMakeFiles/VerifyFortran.dir/all] Error 2
gmake[1]: Leaving directory
`<redacted>/foo/CMakeFiles/FortranCInterface/VerifyC'
gmake: *** [all] Error 2
--
Lori A. Pritchett-Sheats, PhD.
CCS-2, Computational Physics and Methods
Office: 505-665-6675
Fax: 505-665-4972
Los Alamos National Laboratory
P.O. Box 1663
MS D413
Los Alamos, NM 87544
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