CMake/Modules/Compiler/GNU-Fortran.cmake
Brad King a8e7a1047a 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>
2015-03-26 09:33:20 -04:00

16 lines
442 B
CMake

include(Compiler/GNU)
__compiler_gnu(Fortran)
set(CMAKE_Fortran_FORMAT_FIXED_FLAG "-ffixed-form")
set(CMAKE_Fortran_FORMAT_FREE_FLAG "-ffree-form")
# No -DNDEBUG for Fortran.
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)