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gfortran's command line options are indexed here without any initial `-' or `--'. Where an option has both positive and negative forms (such as -foption and -fno-option), relevant entries in the manual are indexed under the most appropriate form; it may sometimes be useful to look up both forms.
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: Fortran Dialect Optionsfall-intrinsics
: Fortran Dialect Optionsfbacktrace
: Debugging Optionsfblas-matmul-limit
: Code Gen Optionsfbounds-check
: Code Gen Optionsfconvert=
conversion: Runtime Optionsfcray-pointer
: Fortran Dialect Optionsfd-lines-as-code
: Fortran Dialect Optionsfd-lines-as-comments
: Fortran Dialect Optionsfdefault-double-8
: Fortran Dialect Optionsfdefault-integer-8
: Fortran Dialect Optionsfdefault-real-8
: Fortran Dialect Optionsfdollar-ok
: Fortran Dialect Optionsfdump-core
: Debugging Optionsfdump-parse-tree
: Debugging Optionsfexternal-blas
: Code Gen Optionsff2c
: Code Gen Optionsffixed-line-length-
n: Fortran Dialect Optionsffpe-trap=
list: Debugging Optionsffree-form
: Fortran Dialect Optionsffree-line-length-
n: Fortran Dialect Optionsfimplicit-none
: Fortran Dialect Optionsfinit-character
: Code Gen Optionsfinit-integer
: Code Gen Optionsfinit-local-zero
: Code Gen Optionsfinit-logical
: Code Gen Optionsfinit-real
: Code Gen Optionsfintrinsic-modules-path
dir: Directory Optionsfmax-errors=
n: Error and Warning Optionsfmax-identifier-length=
n: Fortran Dialect Optionsfmax-stack-var-size
: Code Gen Optionsfmax-subrecord-length=
length: Runtime Optionsfmodule-private
: Fortran Dialect Optionsfno-automatic
: Code Gen Optionsfno-fixed-form
: Fortran Dialect Optionsfno-underscoring
: Code Gen Optionsfopenmp
: Fortran Dialect Optionsfpack-derived
: Code Gen Optionsfrange-check
: Fortran Dialect Optionsfrecord-marker=
length: Runtime Optionsfrecursive
: Code Gen Optionsfrepack-arrays
: Code Gen Optionsfsecond-underscore
: Code Gen Optionsfshort-enums
: Fortran 2003 statusfshort-enums
: Code Gen Optionsfsign-zero
: Runtime Optionsfsyntax-only
: Error and Warning OptionsI
dir: Directory OptionsJ
dir: Directory OptionsM
dir: Directory Optionspedantic
: Error and Warning Optionspedantic-errors
: Error and Warning Optionsstatic-libgfortran
: Link Optionsstd=
std option
: Fortran Dialect OptionsWaliasing
: Error and Warning OptionsWall
: Error and Warning OptionsWampersand
: Error and Warning OptionsWcharacter-truncation
: Error and Warning OptionsWconversion
: Error and Warning OptionsWerror
: Error and Warning OptionsWimplicit-interface
: Error and Warning OptionsWnonstd-intrinsics
: Error and Warning OptionsWsurprising
: Error and Warning OptionsWtabs
: Error and Warning OptionsWunderflow
: Error and Warning OptionsWunused-parameter
: Error and Warning Options