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GNU: Do not use -isystem with gfortran 

The compiler documents that USE statements search for ".mod" files
in directories specified with -I, but not -isystem.

Reported-by: Hugh Sorby <h.sorby@auckland.ac.nz>
This commit is contained in:
Brad King 2015-03-26 09:32:39 -04:00
parent 166e29e453
commit a8e7a1047a
1 changed files with 3 additions and 0 deletions
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3
Modules/Compiler/GNU-Fortran.cmake
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@ -8,5 +8,8 @@ set(CMAKE_Fortran_FORMAT_FREE_FLAG "-ffree-form")
set(CMAKE_Fortran_FLAGS_MINSIZEREL_INIT "-Os")
set(CMAKE_Fortran_FLAGS_RELEASE_INIT "-O3")
# No -isystem for Fortran because it will not find .mod files.
unset(CMAKE_INCLUDE_SYSTEM_FLAG_Fortran)
# Fortran-specific feature flags.
set(CMAKE_Fortran_MODDIR_FLAG -J)