Option Index (The GNU Fortran Compiler)

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Option Index ¶

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.

Jump to:	A B C D F H I J M N P S T U W

A
	Index Entry	Section

	`A-predicate=answer`	Preprocessing Options
	`allow-invalid-boz`	Fortran Dialect Options
	`Apredicate=answer`	Preprocessing Options

B
	`backslash`	Fortran Dialect Options

C
	`C`	Preprocessing Options
	`c-prototypes`	Interoperability Options
	`c-prototypes-external`	Interoperability Options
	`CC`	Preprocessing Options
	`cpp`	Preprocessing Options

D
	`dD`	Preprocessing Options
	`dI`	Preprocessing Options
	`dM`	Preprocessing Options
	`dN`	Preprocessing Options
	`Dname`	Preprocessing Options
	`Dname=definition`	Preprocessing Options
	`dU`	Preprocessing Options

F
	`faggressive-function-elimination`	Code Gen Options
	`falign-commons`	Code Gen Options
	`fall-intrinsics`	Fortran Dialect Options
	`fallow-argument-mismatch`	Fortran Dialect Options
	`fblas-matmul-limit`	Code Gen Options
	`fbounds-check`	Code Gen Options
	`fcheck`	Code Gen Options
	`fcheck-array-temporaries`	Code Gen Options
	`fcoarray`	Code Gen Options
	`fconvert=conversion`	Runtime Options
	`fcray-pointer`	Fortran Dialect Options
	`fd-lines-as-code`	Fortran Dialect Options
	`fd-lines-as-comments`	Fortran Dialect Options
	`fdebug-aux-vars`	Debugging Options
	`fdec`	Fortran Dialect Options
	`fdec-blank-format-item`	Fortran Dialect Options
	`fdec-char-conversions`	Fortran Dialect Options
	`fdec-format-defaults`	Fortran Dialect Options
	`fdec-include`	Fortran Dialect Options
	`fdec-intrinsic-ints`	Fortran Dialect Options
	`fdec-math`	Fortran Dialect Options
	`fdec-static`	Fortran Dialect Options
	`fdec-structure`	Fortran Dialect Options
	`fdefault-double-8`	Fortran Dialect Options
	`fdefault-integer-8`	Fortran Dialect Options
	`fdefault-real-10`	Fortran Dialect Options
	`fdefault-real-16`	Fortran Dialect Options
	`fdefault-real-8`	Fortran Dialect Options
	`fdollar-ok`	Fortran Dialect Options
	`fdump-fortran-global`	Debugging Options
	`fdump-fortran-optimized`	Debugging Options
	`fdump-fortran-original`	Debugging Options
	`fdump-parse-tree`	Debugging Options
	`fexternal-blas`	Code Gen Options
	`ff2c`	Code Gen Options
	`ffixed-form`	Fortran Dialect Options
	`ffixed-line-length-n`	Fortran Dialect Options
	`ffpe-summary=list`	Debugging Options
	`ffpe-trap=list`	Debugging Options
	`ffree-form`	Fortran Dialect Options
	`ffree-line-length-n`	Fortran Dialect Options
	`fimplicit-none`	Fortran Dialect Options
	`finit-character`	Code Gen Options
	`finit-derived`	Code Gen Options
	`finit-integer`	Code Gen Options
	`finit-local-zero`	Code Gen Options
	`finit-logical`	Code Gen Options
	`finit-real`	Code Gen Options
	`finline-arg-packing`	Code Gen Options
	`finline-matmul-limit`	Code Gen Options
	`finteger-4-integer-8`	Fortran Dialect Options
	`fintrinsic-modules-path dir`	Directory Options
	`fmax-array-constructor`	Code Gen Options
	`fmax-errors=n`	Error and Warning Options
	`fmax-identifier-length=n`	Fortran Dialect Options
	`fmax-stack-var-size`	Code Gen Options
	`fmax-subrecord-length=length`	Runtime Options
	`fmodule-private`	Fortran Dialect Options
	`fno-automatic`	Code Gen Options
	`fno-backtrace`	Debugging Options
	`fno-protect-parens`	Code Gen Options
	`fno-underscoring`	Code Gen Options
	`fopenacc`	Fortran Dialect Options
	`fopenmp`	Fortran Dialect Options
	`fpack-derived`	Code Gen Options
	`fpad-source`	Fortran Dialect Options
	`fpp`	Preprocessing Options
	`frange-check`	Fortran Dialect Options
	`freal-4-real-10`	Fortran Dialect Options
	`freal-4-real-16`	Fortran Dialect Options
	`freal-4-real-8`	Fortran Dialect Options
	`freal-8-real-10`	Fortran Dialect Options
	`freal-8-real-16`	Fortran Dialect Options
	`freal-8-real-4`	Fortran Dialect Options
	`frealloc-lhs`	Code Gen Options
	`frecord-marker=length`	Runtime Options
	`frecursive`	Code Gen Options
	`frepack-arrays`	Code Gen Options
	`frontend-loop-interchange`	Code Gen Options
	`frontend-optimize`	Code Gen Options
	`fsecond-underscore`	Code Gen Options
	`fshort-enums`	Code Gen Options
	`fsign-zero`	Runtime Options
	`fstack-arrays`	Code Gen Options
	`fsyntax-only`	Error and Warning Options
	`ftest-forall-temp`	Fortran Dialect Options
	`fworking-directory`	Preprocessing Options

H
	`H`	Preprocessing Options

I
	`Idir`	Directory Options
	`idirafter dir`	Preprocessing Options
	`imultilib dir`	Preprocessing Options
	`iprefix prefix`	Preprocessing Options
	`iquote dir`	Preprocessing Options
	`isysroot dir`	Preprocessing Options
	`isystem dir`	Preprocessing Options

J
	`Jdir`	Directory Options

M
	`Mdir`	Directory Options

N
	`nostdinc`	Preprocessing Options

P
	`P`	Preprocessing Options
	`pedantic`	Error and Warning Options
	`pedantic-errors`	Error and Warning Options

S
	`static-libgfortran`	Link Options
	`std=std option`	Fortran Dialect Options

T
	`tail-call-workaround`	Code Gen Options

U
	`Uname`	Preprocessing Options
	`undef`	Preprocessing Options

W
	`Waliasing`	Error and Warning Options
	`Walign-commons`	Error and Warning Options
	`Wall`	Error and Warning Options
	`Wampersand`	Error and Warning Options
	`Warray-temporaries`	Error and Warning Options
	`Wc-binding-type`	Error and Warning Options
	`Wcharacter-truncation`	Error and Warning Options
	`Wcompare-reals`	Error and Warning Options
	`Wconversion`	Error and Warning Options
	`Wconversion-extra`	Error and Warning Options
	`Wdo-subscript`	Error and Warning Options
	`Werror`	Error and Warning Options
	`Wextra`	Error and Warning Options
	`Wfrontend-loop-interchange`	Error and Warning Options
	`Wfunction-elimination`	Error and Warning Options
	`Wimplicit-interface`	Error and Warning Options
	`Wimplicit-procedure`	Error and Warning Options
	`Winteger-division`	Error and Warning Options
	`Wintrinsic-shadow`	Error and Warning Options
	`Wintrinsics-std`	Error and Warning Options
	`Wline-truncation`	Error and Warning Options
	`Woverwrite-recursive`	Error and Warning Options
	`Wpedantic`	Error and Warning Options
	`Wreal-q-constant`	Error and Warning Options
	`Wrealloc-lhs`	Error and Warning Options
	`Wrealloc-lhs-all`	Error and Warning Options
	`Wsurprising`	Error and Warning Options
	`Wtabs`	Error and Warning Options
	`Wtargt-lifetime`	Error and Warning Options
	`Wundefined-do-loop`	Error and Warning Options
	`Wunderflow`	Error and Warning Options
	`Wunused-dummy-argument`	Error and Warning Options
	`Wunused-parameter`	Error and Warning Options
	`Wuse-without-only`	Error and Warning Options
	`Wzerotrip`	Error and Warning Options