Comments (1)
This is the more general issue on how much Flang should be able to act as a drop-in replacement for gfortran and therefore accept its command-line syntax.
In that context I would argue that it is much less important for flang to replicate gfortran's command-line syntax than it is to replicate gfortran's feature set.
Talking about line length: It seems that flang is still missing an option that is equivalent to gfortran's -ffree-line-length-none (see https://gcc.gnu.org/onlinedocs/gfortran/Fortran-Dialect-Options.html), allowing arbitrary-length lines.
Regarding identical syntax: Any Fortran project that supports more than just one compiler has to define compiler-specific flags anyway, which is really not hard to do (using proper build tools like cmake). The options of gfortran/ifort/pgi/sun differ an awful lot.
Cheers,
Janus
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Related Issues (14)
- 'make check-clang' fails on gfortran interplay test
- Flang should accept linker command line options HOT 3
- Flang should accept -gopt command line option HOT 2
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- Flang: clang-4.0: warning: argument unused during compilation: '-fimplicit-none' [-Wunused-command-line-argument] HOT 2
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- tools/clang/lib/Driver/Tools.cpp code always passes x86 options to the front-end HOT 1
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