| ; Options for the Fortran 95 front end. |
| ; Copyright (C) 2003-2013 Free Software Foundation, Inc. |
| ; |
| ; This file is part of GCC. |
| ; |
| ; GCC is free software; you can redistribute it and/or modify it under |
| ; the terms of the GNU General Public License as published by the Free |
| ; Software Foundation; either version 3, or (at your option) any later |
| ; version. |
| ; |
| ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| ; WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| ; for more details. |
| ; |
| ; You should have received a copy of the GNU General Public License |
| ; along with GCC; see the file COPYING3. If not see |
| ; <http://www.gnu.org/licenses/>. |
| |
| ; See the GCC internals manual for a description of this file's format. |
| |
| ; Please try to keep this file in ASCII collating order. |
| |
| Language |
| Fortran |
| |
| -all-warnings |
| Fortran Alias(Wall) |
| |
| -assert |
| Fortran Separate Alias(A) |
| |
| -assert= |
| Fortran Joined Alias(A) |
| |
| -comments |
| Fortran Alias(C) |
| |
| -comments-in-macros |
| Fortran Alias(CC) |
| |
| -define-macro |
| Fortran Separate Alias(D) |
| |
| -define-macro= |
| Fortran Joined Alias(D) |
| |
| -dependencies |
| Fortran Alias(M) |
| |
| -dump |
| Fortran Separate Alias(d) |
| |
| -dump= |
| Fortran Joined Alias(d) |
| |
| -include-barrier |
| Fortran Alias(I, -) |
| |
| -include-directory |
| Fortran Separate Alias(I) |
| |
| -include-directory= |
| Fortran Joined Alias(I) |
| |
| -include-directory-after |
| Fortran Separate Alias(idirafter) |
| |
| -include-directory-after= |
| Fortran Joined Alias(idirafter) |
| |
| -include-prefix |
| Fortran Separate Alias(iprefix) |
| |
| -include-prefix= |
| Fortran JoinedOrMissing Alias(iprefix) |
| |
| -no-line-commands |
| Fortran Alias(P) |
| |
| -no-standard-includes |
| Fortran Alias(nostdinc) |
| |
| -output |
| Fortran Separate Alias(o) |
| |
| -output= |
| Fortran Joined Alias(o) |
| |
| -preprocess |
| Fortran Undocumented Alias(E) |
| |
| -print-missing-file-dependencies |
| Fortran Alias(MG) |
| |
| -trace-includes |
| Fortran Alias(H) |
| |
| -undefine-macro |
| Fortran Separate Alias(U) |
| |
| -undefine-macro= |
| Fortran Joined Alias(U) |
| |
| -user-dependencies |
| Fortran Alias(MM) |
| |
| -verbose |
| Fortran Alias(v) |
| |
| -write-dependencies |
| Fortran NoDriverArg Separate Alias(MD) |
| |
| -write-user-dependencies |
| Fortran NoDriverArg Separate Alias(MMD) |
| |
| A |
| Fortran Joined Separate |
| ; Documented in C |
| |
| C |
| Fortran |
| ; Documented in C |
| |
| CC |
| Fortran |
| ; Documented in C |
| |
| D |
| Fortran Joined Separate |
| ; Documented in C |
| |
| E |
| Fortran Undocumented |
| |
| H |
| Fortran |
| ; Documented in C |
| |
| I |
| Fortran Joined Separate |
| ; Documented in C |
| |
| J |
| Fortran Joined Separate |
| -J<directory> Put MODULE files in 'directory' |
| |
| M |
| Fortran |
| ; Documented in C |
| |
| MD |
| Fortran Separate NoDriverArg |
| ; Documented in C |
| |
| MF |
| Fortran Joined Separate |
| ; Documented in C |
| |
| MG |
| Fortran |
| ; Documented in C |
| |
| MM |
| Fortran |
| ; Documented in C |
| |
| MMD |
| Fortran Separate NoDriverArg |
| ; Documented in C |
| |
| MP |
| Fortran |
| ; Documented in C |
| |
| MT |
| Fortran Joined Separate |
| ; Documented in C |
| |
| MQ |
| Fortran Joined Separate |
| ; Documented in C |
| |
| P |
| Fortran |
| ; Documented in C |
| |
| U |
| Fortran Joined Separate |
| ; Documented in C |
| |
| Wall |
| Fortran |
| ; Documented in C |
| |
| Waliasing |
| Fortran Warning |
| Warn about possible aliasing of dummy arguments |
| |
| Walign-commons |
| Fortran Warning |
| Warn about alignment of COMMON blocks |
| |
| Wampersand |
| Fortran Warning |
| Warn about missing ampersand in continued character constants |
| |
| Warray-temporaries |
| Fortran Warning |
| Warn about creation of array temporaries |
| |
| Wc-binding-type |
| Fortran Warning |
| Warn if the type of a variable might be not interoperable with C |
| |
| Wcharacter-truncation |
| Fortran Warning |
| Warn about truncated character expressions |
| |
| Wcompare-reals |
| Fortran Warning |
| Warn about equality comparisons involving REAL or COMPLEX expressions |
| |
| Wconversion |
| Fortran Warning |
| ; Documented in C |
| |
| Wconversion-extra |
| Fortran Warning |
| Warn about most implicit conversions |
| |
| Wextra |
| Fortran Warning |
| Print extra (possibly unwanted) warnings |
| |
| Wfunction-elimination |
| Fortran Warning |
| Warn about function call elimination |
| |
| Wimplicit-interface |
| Fortran Warning |
| Warn about calls with implicit interface |
| |
| Wimplicit-procedure |
| Fortran Warning |
| Warn about called procedures not explicitly declared |
| |
| Wline-truncation |
| Fortran Warning |
| Warn about truncated source lines |
| |
| Wintrinsics-std |
| Fortran Warning |
| Warn on intrinsics not part of the selected standard |
| |
| Wreal-q-constant |
| Fortran Warning |
| Warn about real-literal-constants with 'q' exponent-letter |
| |
| Wrealloc-lhs |
| Fortran Warning |
| Warn when a left-hand-side array variable is reallocated |
| |
| Wrealloc-lhs-all |
| Fortran Warning |
| Warn when a left-hand-side variable is reallocated |
| |
| Wtarget-lifetime |
| Fortran Warning |
| Warn if the pointer in a pointer assignment might outlive its target |
| |
| Wreturn-type |
| Fortran Warning |
| ; Documented in C |
| |
| Wsurprising |
| Fortran Warning |
| Warn about \"suspicious\" constructs |
| |
| Wtabs |
| Fortran Warning |
| Permit nonconforming uses of the tab character |
| |
| Wunderflow |
| Fortran Warning |
| Warn about underflow of numerical constant expressions |
| |
| Wintrinsic-shadow |
| Fortran Warning |
| Warn if a user-procedure has the same name as an intrinsic |
| |
| Wunused-dummy-argument |
| Fortran Warning |
| Warn about unused dummy arguments. |
| |
| cpp |
| Fortran Negative(nocpp) |
| Enable preprocessing |
| |
| cpp= |
| Fortran Joined Negative(nocpp) Undocumented NoDWARFRecord |
| ; Internal option generated by specs from -cpp. |
| |
| nocpp |
| Fortran Negative(cpp) |
| Disable preprocessing |
| |
| d |
| Fortran Joined |
| ; Documented in common.opt |
| |
| faggressive-function-elimination |
| Fortran |
| Eliminate multiple function invokations also for impure functions |
| |
| falign-commons |
| Fortran |
| Enable alignment of COMMON blocks |
| |
| fall-intrinsics |
| Fortran RejectNegative |
| All intrinsics procedures are available regardless of selected standard |
| |
| fallow-leading-underscore |
| Fortran Undocumented |
| ; For internal use only: allow the first character of symbol names to be an underscore |
| |
| fautomatic |
| Fortran |
| Do not treat local variables and COMMON blocks as if they were named in SAVE statements |
| |
| fbackslash |
| Fortran |
| Specify that backslash in string introduces an escape character |
| |
| fbacktrace |
| Fortran |
| Produce a backtrace when a runtime error is encountered |
| |
| fblas-matmul-limit= |
| Fortran RejectNegative Joined UInteger |
| -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS |
| |
| fcheck-array-temporaries |
| Fortran |
| Produce a warning at runtime if a array temporary has been created for a procedure argument |
| |
| fconvert=big-endian |
| Fortran RejectNegative |
| Use big-endian format for unformatted files |
| |
| fconvert=little-endian |
| Fortran RejectNegative |
| Use little-endian format for unformatted files |
| |
| fconvert=native |
| Fortran RejectNegative |
| Use native format for unformatted files |
| |
| fconvert=swap |
| Fortran RejectNegative |
| Swap endianness for unformatted files |
| |
| fcray-pointer |
| Fortran |
| Use the Cray Pointer extension |
| |
| fd-lines-as-code |
| Fortran RejectNegative |
| Ignore 'D' in column one in fixed form |
| |
| fd-lines-as-comments |
| Fortran RejectNegative |
| Treat lines with 'D' in column one as comments |
| |
| fdefault-double-8 |
| Fortran |
| Set the default double precision kind to an 8 byte wide type |
| |
| fdefault-integer-8 |
| Fortran |
| Set the default integer kind to an 8 byte wide type |
| |
| fdefault-real-8 |
| Fortran |
| Set the default real kind to an 8 byte wide type |
| |
| fdollar-ok |
| Fortran |
| Allow dollar signs in entity names |
| |
| fdump-core |
| Fortran Ignore |
| Does nothing. Preserved for backward compatibility. |
| |
| fdump-fortran-original |
| Fortran |
| Display the code tree after parsing |
| |
| fdump-fortran-optimized |
| Fortran |
| Display the code tree after front end optimization |
| |
| fdump-parse-tree |
| Fortran |
| Display the code tree after parsing; deprecated option |
| |
| fexternal-blas |
| Fortran |
| Specify that an external BLAS library should be used for matmul calls on large-size arrays |
| |
| ff2c |
| Fortran |
| Use f2c calling convention |
| |
| ffixed-form |
| Fortran RejectNegative |
| Assume that the source file is fixed form |
| |
| finteger-4-integer-8 |
| Fortran RejectNegative |
| Interpret any INTEGER(4) as an INTEGER(8) |
| |
| fintrinsic-modules-path |
| Fortran RejectNegative Separate |
| Specify where to find the compiled intrinsic modules |
| |
| fintrinsic-modules-path= |
| Fortran RejectNegative Joined |
| Specify where to find the compiled intrinsic modules |
| |
| ffixed-line-length-none |
| Fortran RejectNegative |
| Allow arbitrary character line width in fixed mode |
| |
| ffixed-line-length- |
| Fortran RejectNegative Joined UInteger |
| -ffixed-line-length-<n> Use n as character line width in fixed mode |
| |
| ffpe-trap= |
| Fortran RejectNegative JoinedOrMissing |
| -ffpe-trap=[...] Stop on following floating point exceptions |
| |
| ffree-form |
| Fortran RejectNegative |
| Assume that the source file is free form |
| |
| ffree-line-length-none |
| Fortran RejectNegative |
| Allow arbitrary character line width in free mode |
| |
| ffree-line-length- |
| Fortran RejectNegative Joined UInteger |
| -ffree-line-length-<n> Use n as character line width in free mode |
| |
| ffrontend-optimize |
| Fortran |
| Enable front end optimization |
| |
| fimplicit-none |
| Fortran |
| Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements |
| |
| finit-character= |
| Fortran RejectNegative Joined UInteger |
| -finit-character=<n> Initialize local character variables to ASCII value n |
| |
| finit-integer= |
| Fortran RejectNegative Joined |
| -finit-integer=<n> Initialize local integer variables to n |
| |
| finit-local-zero |
| Fortran |
| Initialize local variables to zero (from g77) |
| |
| finit-logical= |
| Fortran RejectNegative Joined |
| -finit-logical=<true|false> Initialize local logical variables |
| |
| finit-real= |
| Fortran RejectNegative Joined |
| -finit-real=<zero|nan|inf|-inf> Initialize local real variables |
| |
| fmax-array-constructor= |
| Fortran RejectNegative Joined UInteger |
| -fmax-array-constructor=<n> Maximum number of objects in an array constructor |
| |
| fmax-identifier-length= |
| Fortran RejectNegative Joined UInteger |
| -fmax-identifier-length=<n> Maximum identifier length |
| |
| fmax-subrecord-length= |
| Fortran RejectNegative Joined UInteger |
| -fmax-subrecord-length=<n> Maximum length for subrecords |
| |
| fmax-stack-var-size= |
| Fortran RejectNegative Joined UInteger |
| -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack |
| |
| fstack-arrays |
| Fortran |
| Put all local arrays on stack. |
| |
| fmodule-private |
| Fortran |
| Set default accessibility of module entities to PRIVATE. |
| |
| fopenmp |
| Fortran |
| ; Documented in C |
| |
| fpack-derived |
| Fortran |
| Try to lay out derived types as compactly as possible |
| |
| fpreprocessed |
| Fortran |
| ; Documented in C |
| |
| fprotect-parens |
| Fortran |
| Protect parentheses in expressions |
| |
| frange-check |
| Fortran |
| Enable range checking during compilation |
| |
| freal-4-real-8 |
| Fortran RejectNegative |
| Interpret any REAL(4) as a REAL(8) |
| |
| freal-4-real-10 |
| Fortran RejectNegative |
| Interpret any REAL(4) as a REAL(10) |
| |
| freal-4-real-16 |
| Fortran RejectNegative |
| Interpret any REAL(4) as a REAL(16) |
| |
| freal-8-real-4 |
| Fortran RejectNegative |
| Interpret any REAL(8) as a REAL(4) |
| |
| freal-8-real-10 |
| Fortran RejectNegative |
| Interpret any REAL(8) as a REAL(10) |
| |
| freal-8-real-16 |
| Fortran RejectNegative |
| Interpret any REAL(8) as a REAL(16) |
| |
| frealloc-lhs |
| Fortran |
| Reallocate the LHS in assignments |
| |
| frecord-marker=4 |
| Fortran RejectNegative |
| Use a 4-byte record marker for unformatted files |
| |
| frecord-marker=8 |
| Fortran RejectNegative |
| Use an 8-byte record marker for unformatted files |
| |
| frecursive |
| Fortran |
| Allocate local variables on the stack to allow indirect recursion |
| |
| frepack-arrays |
| Fortran |
| Copy array sections into a contiguous block on procedure entry |
| |
| fcoarray= |
| Fortran RejectNegative JoinedOrMissing |
| -fcoarray=[...] Specify which coarray parallelization should be used |
| |
| fcheck= |
| Fortran RejectNegative JoinedOrMissing |
| -fcheck=[...] Specify which runtime checks are to be performed |
| |
| fsecond-underscore |
| Fortran |
| Append a second underscore if the name already contains an underscore |
| |
| fshort-enums |
| Fortran Var(flag_short_enums) |
| ; Documented in C |
| |
| fsign-zero |
| Fortran |
| Apply negative sign to zero values |
| |
| funderscoring |
| Fortran |
| Append underscores to externally visible names |
| |
| fwhole-file |
| Fortran |
| Compile all program units at once and check all interfaces |
| |
| fworking-directory |
| Fortran |
| ; Documented in C |
| |
| idirafter |
| Fortran Joined Separate |
| ; Documented in C |
| |
| imultilib |
| Fortran Joined Separate |
| ; Documented in C |
| |
| iprefix |
| Fortran Joined Separate |
| ; Documented in C |
| |
| iquote |
| Fortran Joined Separate |
| ; Documented in C |
| |
| isysroot |
| Fortran Joined Separate |
| ; Documented in C |
| |
| isystem |
| Fortran Joined Separate |
| ; Documented in C |
| |
| nostdinc |
| Fortran |
| ; Documented in C |
| |
| o |
| Fortran Joined Separate |
| ; Documented in common.opt |
| |
| static-libgfortran |
| Fortran |
| Statically link the GNU Fortran helper library (libgfortran) |
| |
| std=f2003 |
| Fortran |
| Conform to the ISO Fortran 2003 standard |
| |
| std=f2008 |
| Fortran |
| Conform to the ISO Fortran 2008 standard |
| |
| std=f2008ts |
| Fortran |
| Conform to the ISO Fortran 2008 standard including TS 29113 |
| |
| std=f95 |
| Fortran |
| Conform to the ISO Fortran 95 standard |
| |
| std=gnu |
| Fortran |
| Conform to nothing in particular |
| |
| std=legacy |
| Fortran |
| Accept extensions to support legacy code |
| |
| undef |
| Fortran |
| ; Documented in C |
| |
| v |
| Fortran |
| ; Documented in C |
| |
| ; This comment is to ensure we retain the blank line above. |
