@section Common Options
@table @option
@item -h, -help
display this help and exit

@item -V, -version
display compiler version and exit

@item -i, -info
display compiler information (build/environment)
and exit

@item -v, -verbose
verbose mode, display additional information;
multiple @option{-v} options increase the verbosity,
the maximum is 3 as follows:
(1) display compiler version and the commands
invoked by the compiler,
(2) pass verbose option to assembler/compiler
(3) pass verbose option to linker

@item -q, -brief
reduced displays, commands invoked not shown

@item -###
like -v but commands not executed

@item -x
build an executable program

@item -m
build a dynamically loadable module (default)

@item -j [@var{args}], -job[=@var{args}]
run program after build, passing @var{args}

@item -std=@var{dialect}
warnings/features for a specific dialect
@var{dialect} can be one of:
default, cobol2014, cobol2002, cobol85, xopen,
ibm-strict, ibm, mvs-strict, mvs,
mf-strict, mf, bs2000-strict, bs2000,
acu-strict, acu, rm-strict, rm;
see configuration files in directory config

@item -F, -free
use free source format

@item -fixed
use fixed source format (default)

@item -O, -O2, -O3, -Os
enable optimization

@item -O0
disable optimization

@item -g
enable C compiler debug and stack check

@item -d, -debug
enable all run-time error checking,
equal to @option{-fstack-check} @option{-fec=}@code{EC-ALL}

@item -fec=@var{exception-name}
enable code generation for @var{exception-name},
sets @option{-fsource-location}

@item -fno-ec=@var{exception-name}
disable code generation for @var{exception-name}

@item -o @var{file}
place the output into @var{file}

@item -b
combine all input files into a single
dynamically loadable module

@item -E
preprocess only; do not compile or link

@item -C
translation only; convert COBOL to C

@item -S
compile only; output assembly file

@item -c
compile and assemble, but do not link

@item -T @var{file}
generate and place a wide program listing into @var{file}

@item -t @var{file}
generate and place a program listing into @var{file}

@item --tlines=@var{lines}
specify lines per page in listing, default = 55

@item -P[=@var{dir or file}]
generate preprocessed program listing (.lst)

@item -Xref
generate cross reference through 'cobxref'
(V. Coen's 'cobxref' must be in path)

@item -I @var{directory}
add @var{directory} to copy/include search path

@item -L @var{directory}
add @var{directory} to library search path

@item -l @var{lib}
link the library @var{lib}

@item -A @var{options}
add @var{options} to the C compile phase

@item -Q @var{options}
add @var{options} to the C link phase

@item -D @var{define}
define @var{define} for COBOL compilation

@item -K @var{entry}
generate @code{CALL} to @var{entry} as static

@item -conf=@var{file}
user-defined dialect configuration; see -std

@item -list-reserved
display reserved words

@item -list-intrinsics
display intrinsic functions

@item -list-mnemonics
display mnemonic names

@item -list-system
display system routines

@item -save-temps[=@var{dir}]
save intermediate files; default: current directory

@item -ext @var{extension}
add file extension for resolving @code{COPY}
@end table

@section Warning options
@table @option
@item -Wall
enable most warnings (all except as noted below)

@item -Wextra
like -Wall but enable some extra warning flags

@item -w
disable all warnings

@item -Wno-@var{warning}
disable warning enabled by default, -Wall or -Wextra

@item -Wadditional
additional warnings only raised with -Wall

@item -Wno-unfinished
do not warn if unfinished features are used; @emph{always} active

@item -Wno-pending
do not warn if pending features are mentioned; @emph{always} active

@item -Wno-ignored-error
do not warn about errors in unreachable code parts and so normally ignored; @emph{always} active

@item -Wobsolete
warn if obsolete features are used

@item -Warchaic
warn if archaic features are used

@item -Wredefinition
warn about non-referenced ambiguous data items

@item -Wtruncate
warn about field truncation from constant assignments

@item -Wpossible-truncate
warn about possible field truncation; @emph{not} set with @option{-Wall}

@item -Woverlap
warn about overlapping @code{MOVE} of items

@item -Wpossible-overlap
warn about @code{MOVE} of items that may overlap depending on variables; @emph{not} set with @option{-Wall}

@item -Wparentheses
warn about lack of parentheses around @code{AND} within @code{OR}

@item -Wstrict-typing
warn strictly about type mismatch

@item -Wno-implicit-define
do not warn about implicitly defined data items; @emph{always} active

@item -Wno-corresponding
do not warn about @code{CORRESPONDING} with no matching items; @emph{always} active

@item -Winitial-value
warn if initial @code{VALUE} clause is ignored

@item -Wprototypes
warn about missing @code{FUNCTION} prototypes/definitions

@item -Warithmetic-osvs
warn if arithmetic expression precision has changed

@item -Wcall-params
warn about non 01/77 items for @code{CALL} parameters; @emph{not} set with @option{-Wall}

@item -Wconstant-expression
warn about expressions that always resolve to true/false

@item -Wcolumn-overflow
warn about text after program-text area, @code{FIXED} format; @emph{not} set with @option{-Wall}

@item -Wterminator
warn about lack of scope terminator @code{END-XXX}; @emph{not} set with @option{-Wall}

@item -Wlinkage
warn about dangling @code{LINKAGE} items; @emph{not} set with @option{-Wall}

@item -Wunreachable
warn about likely unreachable statements; @emph{not} set with @option{-Wall}

@item -Wno-dialect
do not warn about dialect specific issues; @emph{always} active

@item -Wdangling-text
warn source text after program-area; @emph{not} set with @option{-Wall}

@item -Wno-others
do not warn about different issues; @emph{always} active

@item -Werror
treat all warnings as errors

@item -Wno-error
don't treat warnings as errors

@item -Werror=@var{warning}
treat specified @var{warning} as error

@item -Wno-error=@var{warning}
don't treat specified @var{warning} as error
@end table

@section Compiler options
@table @option
@item -fsign=@code{[ASCII|EBCDIC]}
define display sign representation; default: machine native

@item -ffold-copy=@code{[UPPER|LOWER]}
fold @code{COPY} subject to value; default: no transformation

@item -ffold-call=@code{[UPPER|LOWER]}
fold @code{PROGRAM-ID}, @code{CALL}, @code{CANCEL} subject to value; default: no transformation

@item -fdefaultbyte=@var{value}
initialize fields without @code{VALUE} to value; decimal 0..255 or any quoted character; default: initialize to picture

@item -fmax-errors=@var{number}
maximum number of errors to report before
compilation is aborted; default: 128

@item -fintrinsics=@code{[ALL}|intrinsic function name(,name,...)]
intrinsics to be used without @code{FUNCTION} keyword

@item -fdump=@var{scope}
dump data fields on abort, @var{scope} may be
a combination of: @code{ALL}, @code{WS}, @code{LS}, @code{RD}, @code{FD}, @code{SC}, @code{LO}

@item -fcallfh=@var{name}
specifies @var{name} to be used for I/O
as external provided EXTFH interface module

@item -fno-remove-unreachable
disable remove of unreachable code; turned off by @option{-g}

@item -ftrace
generate trace code; scope: executed @code{SECTION/PARAGRAPH}

@item -ftraceall
generate trace code; scope: executed @code{SECTION/PARAGRAPH/STATEMENTS}

@item -fsyntax-only
syntax error checking only; don't emit any output

@item -fdebugging-line
enable debugging lines; @samp{D} in indicator column or floating @code{>>D}

@item -fsource-location
generate source location code; turned on by @option{-debug}/@option{-g}/@option{-ftraceall}/@option{-fec}

@item -fimplicit-init
automatic initialization of the COBOL runtime system

@item -fno-recursive-check
disable check of recursive program call;
effectively compiling as @code{RECURSIVE} program

@item -fstack-check
@code{PERFORM} stack checking; turned on by @option{-debug} or @option{-g}

@item -fwrite-after
use @code{AFTER 1} for @code{WRITE} of @code{LINE} @code{SEQUENTIAL}; default: @code{BEFORE 1}

@item -fmfcomment
@samp{*} or @samp{/} in column 1 treated as comment; @code{FIXED} format only

@item -facucomment
@samp{$} in indicator area treated as @samp{*},
@samp{|} treated as floating comment

@item -fnotrunc
allow numeric field overflow; non-ANSI behaviour

@item -fodoslide
adjust items following @code{OCCURS} @code{DEPENDING}; implies @option{-fcomplex-odo}

@item -fsingle-quote
use a single quote (apostrophe) for @code{QUOTE}; default: double quote

@item -foptional-file
treat all files as @code{OPTIONAL}; unless @code{NOT} @code{OPTIONAL} specified

@item -fstatic-call
output static function calls for the @code{CALL} statement

@item -fno-gen-c-decl-static-call
disable generation of C function declations
for subroutines with static @code{CALL}

@item -fgen-c-line-directives
generate source location directives in C code;
useful for source-level debugging

@item -fgen-c-labels
generate extra labels in C sources;
useful for source-level debugging

@item -fno-theaders
suppress all headers and output of compilation
options from listing while keeping page breaks

@item -fno-tsource
suppress source from listing

@item -fno-tmessages
suppress warning and error summary from listing

@item -ftsymbols
specify symbols in listing

@item -fno-diagnostics-show-option
suppress output of option that directly
controls the diagnostic
@end table

@section Compiler dialect configuration options
@table @option
@item -freserved-words=@var{value}
use of complete/fixed reserved words

@item -ftab-width=1..12
set number of spaces that are assumed for tabs

@item -ftext-column=72..255
set right margin for source (fixed format only)

@item -fpic-length=@var{number}
maximum number of characters allowed in the @code{PICTURE} character-string

@item -fword-length=1..63
maximum word-length for COBOL (= programmer defined) words

@item -fliteral-length=@var{number}
maximum literal size in general

@item -fnumeric-literal-length=1..38
maximum numeric literal size

@item -fbinary-size=@var{value}
binary byte size - defines the allocated bytes according to @code{PIC}, may be one of: 2-4-8, 1-2-4-8, 1--8

@item -fbinary-byteorder=@var{value}
binary byte order, may be one of: native, big-endian

@item -fassign-clause=@var{value}
how to interpret @code{ASSIGN @var{word}@code{: as @code{ASSIGN EXTERNAL @var{word}} or }ASSIGN DYNAMIC @var{word}}, may be one of: @code{dynamic}, @code{external}, @code{ibm} (= external), @code{mf} (= dynamic)

@item -fscreen-section-rules=@var{value}
which compiler's rules to apply to @code{SCREEN} @code{SECTION} item clauses, may be one of: acu, gc, mf, rm, std, xopen

@item -fdpc-in-data=@var{value}
whether @code{DECIMAL-POINT} @code{IS} @code{COMMA} has effect in @code{XML/JSON} @code{GENERATE}, may be one of: none, xml, json, all

@item -ffilename-mapping
resolve file names at run time using environment variables

@item -fpretty-display
alternate formatting of numeric fields

@item -fbinary-truncate
numeric truncation according to ANSI

@item -fcomplex-odo
allow complex @code{OCCURS} @code{DEPENDING} @code{ON}

@item -findirect-redefines
allow @code{REDEFINES} to other than last equal level number

@item -flarger-redefines-ok
allow larger @code{REDEFINES} items

@item -frelax-syntax-checks
allow certain syntax variations (e.g. @code{REDEFINES} position)

@item -fref-mod-zero-length
allow zero length reference-modification (only changed with @code{EC-BOUND-REF-MOD} active)

@item -frelax-level-hierarchy
allow non-matching level numbers

@item -fselect-working
require @code{ASSIGN} @code{USING} items to be in @code{WORKING-STORAGE}

@item -flocal-implies-recursive
@code{LOCAL-STORAGE} @code{SECTION} implies @code{RECURSIVE} attribute

@item -fsticky-linkage
@code{LINKAGE} @code{SECTION} items remain allocated between invocations

@item -fmove-ibm
@code{MOVE} operates as on IBM (left to right, byte by byte)

@item -fperform-osvs
exit point of any currently executing perform is recognized if reached

@item -farithmetic-osvs
limit precision in intermediate results to precision of final result (less accurate)

@item -fconstant-folding
evaluate constant expressions at compile time

@item -fhostsign
allow hexadecimal value @samp{F} for @code{NUMERIC} test of signed @code{PACKED} @code{DECIMAL} field

@item -fprogram-name-redefinition
program names don't lead to a reserved identifier

@item -faccept-update
set @code{WITH} @code{UPDATE} clause as default for @code{ACCEPT} dest-item, instead of @code{WITH} @code{NO} @code{UPDATE}

@item -faccept-auto
set @code{WITH} @code{AUTO} clause as default for @code{ACCEPT} dest-item, instead of @code{WITH} @code{TAB}

@item -fconsole-is-crt
assume @code{CONSOLE} @code{IS} @code{CRT} if not set otherwise

@item -fno-echo-means-secure
@code{NO-ECHO} hides input with asterisks like @code{SECURE}

@item -fline-col-zero-default
assume a field @code{DISPLAY} starts at @code{LINE 0} @code{COL 0} (i.e. at the cursor), not @code{LINE 1} @code{COL 1}

@item -fdisplay-special-fig-consts
special behaviour of @code{DISPLAY} @code{SPACE/ALL} @code{X'01'/ALL} @code{X'02'/ALL} @code{X'07'}

@item -fbinary-comp-1
@code{COMP-1} is a 16-bit signed integer

@item -fnumeric-pointer
@code{POINTER} is a 64-bit unsigned integer

@item -fmove-non-numeric-lit-to-numeric-is-zero
imply zero in move of non-numeric literal to numeric items

@item -fimplicit-assign-dynamic-var
implicitly define a variable if an @code{ASSIGN} @code{DYNAMIC} does not match any data item

@item -fcomment-paragraphs=@var{support}
comment paragraphs in @code{IDENTIFICATION} @code{DIVISION} (@code{AUTHOR}, @code{DATE-WRITTEN}, ...)

@item -fmemory-size-clause=@var{support}
@code{MEMORY-SIZE} clause

@item -fmultiple-file-tape-clause=@var{support}
@code{MULTIPLE-FILE-TAPE} clause

@item -flabel-records-clause=@var{support}
@code{LABEL-RECORDS} clause

@item -fvalue-of-clause=@var{support}
@code{VALUE-OF} clause

@item -fdata-records-clause=@var{support}
@code{DATA-RECORDS} clause

@item -ftop-level-occurs-clause=@var{support}
@code{OCCURS} clause on top-level

@item -fsame-as-clause=@var{support}
@code{SAME} @code{AS} clause

@item -ftype-to-clause=@var{support}
@code{TYPE} @code{TO} clause

@item -fusage-type=@var{support}
@code{USAGE} type-name

@item -fsynchronized-clause=@var{support}
@code{SYNCHRONIZED} clause

@item -fspecial-names-clause=@var{support}
@code{SPECIAL-NAMES} clause

@item -fgoto-statement-without-name=@var{support}
@code{GOTO} statement without name

@item -fstop-literal-statement=@var{support}
@code{STOP}-literal statement

@item -fstop-identifier-statement=@var{support}
@code{STOP}-identifier statement

@item -fdebugging-mode=@var{support}
@code{DEBUGGING} @code{MODE} and debugging indicator

@item -fuse-for-debugging=@var{support}
@code{USE} @code{FOR} @code{DEBUGGING}

@item -fpadding-character-clause=@var{support}
@code{PADDING} @code{CHARACTER} clause

@item -fnext-sentence-phrase=@var{support}
@code{NEXT} @code{SENTENCE} phrase

@item -flisting-statements=@var{support}
listing-directive statements @code{EJECT}, @code{SKIP1}, @code{SKIP2}, @code{SKIP3}

@item -ftitle-statement=@var{support}
listing-directive statement @code{TITLE}

@item -fentry-statement=@var{support}
@code{ENTRY} statement

@item -fmove-noninteger-to-alphanumeric=@var{support}
move noninteger to alphanumeric

@item -fmove-figurative-constant-to-numeric=@var{support}
move figurative constants to numeric

@item -fmove-figurative-space-to-numeric=@var{support}
move figurative constant @code{SPACE} to numeric

@item -fmove-figurative-quote-to-numeric=@var{support}
move figurative constant @code{QUOTE} to numeric

@item -fodo-without-to=@var{support}
@code{OCCURS} @code{DEPENDING} @code{ON} without to

@item -fsection-segments=@var{support}
section segments

@item -falter-statement=@var{support}
@code{ALTER} statement

@item -fcall-overflow=@var{support}
@code{OVERFLOW} clause for @code{CALL}

@item -fnumeric-boolean=@var{support}
boolean literals (@code{B'1010'})

@item -fhexadecimal-boolean=@var{support}
hexadecimal-boolean literals (@code{BX@samp{A}})

@item -fnational-literals=@var{support}
national literals (@code{N'UTF-16 @var{string}'})

@item -fhexadecimal-national-literals=@var{support}
hexadecimal-national literals (@code{NX'265E'})

@item -fnational-character-literals=@var{support}
non-standard national literals (@code{NC'UTF-16 @var{string}'})

@item -fhp-octal-literals=@var{support}
@code{HP} COBOL octal literals (%377)

@item -facu-literals=@var{support}
ACUCOBOL-GT literals (@code{#B} @code{#O} @code{#H} @code{#X})

@item -fword-continuation=@var{support}
continuation of COBOL words

@item -fnot-exception-before-exception=@var{support}
@code{NOT} @code{ON} @code{EXCEPTION} before @code{ON} @code{EXCEPTION}

@item -faccept-display-extensions=@var{support}
extensions to @code{ACCEPT} and @code{DISPLAY}

@item -frenames-uncommon-levels=@var{support}
@code{RENAMES} of 01-, 66- and 77-level items

@item -fsymbolic-constant=@var{support}
constants defined in @code{SPECIAL-NAMES}

@item -fconstant-78=@var{support}
constant with level 78 item (note: has left to right precedence in expressions)

@item -fconstant-01=@var{support}
constant with level 01 @code{CONSTANT} @code{AS/FROM} item

@item -fperform-varying-without-by=@var{support}
@code{PERFORM} @code{VARYING} without @code{BY} phrase (implies @code{BY 1})

@item -freference-out-of-declaratives=@var{support}
references to sections not in @code{DECLARATIVES} from within @code{DECLARATIVES}

@item -fprogram-prototypes=@var{support}
@code{CALL/CANCEL} with program-prototype-name

@item -fcall-convention-mnemonic=@var{support}
specifying call-convention by mnemonic

@item -fcall-convention-linkage=@var{support}
specifying call-convention by @code{WITH} ... @code{LINKAGE}

@item -fnumeric-value-for-edited-item=@var{support}
numeric literals in @code{VALUE} clause of numeric-edited items

@item -fincorrect-conf-sec-order=@var{support}
incorrect order of @code{CONFIGURATION} @code{SECTION} paragraphs

@item -fdefine-constant-directive=@var{support}
allow >> @code{DEFINE} @code{CONSTANT} var @code{AS} literal

@item -ffree-redefines-position=@var{support}
@code{REDEFINES} clause not following entry-name in definition

@item -frecords-mismatch-record-clause=@var{support}
record sizes does not match @code{RECORD} clause

@item -frecord-delimiter=@var{support}
@code{RECORD} @code{DELIMITER} clause

@item -fsequential-delimiters=@var{support}
@code{BINARY-SEQUENTIAL} and @code{LINE-SEQUENTIAL} phrases in @code{RECORD} @code{DELIMITER}

@item -frecord-delim-with-fixed-recs=@var{support}
@code{RECORD} @code{DELIMITER} clause on file with fixed-length records

@item -fmissing-statement=@var{support}
missing statement (e.g. empty @code{IF} / @code{PERFORM})

@item -fzero-length-literals=@var{support}
zero-length literals, e.g. '' and ""

@item -fxml-generate-extra-phrases=@var{support}
@code{XML} @code{GENERATE'}s phrases other than @code{COUNT} @code{IN}

@item -fcontinue-after=@var{support}
@code{AFTER} phrase in @code{CONTINUE} statement

@item -fgoto-entry=@var{support}
@code{ENTRY} @code{FOR} @code{GOTO} and @code{GOTO} @code{ENTRY} statements

@item -fassign-variable=@var{support}
@code{ASSIGN} @code{[TO]} variable in @code{SELECT}

@item -fassign-using-variable=@var{support}
@code{ASSIGN} @code{USING/VARYING} variable in @code{SELECT}

@item -fassign-ext-dyn=@var{support}
@code{ASSIGN} @code{EXTERNAL/DYNAMIC} in @code{SELECT}

@item -fassign-disk-from=@var{support}
@code{ASSIGN} @code{DISK} @code{FROM} variable in @code{SELECT}

@item -fvsam-status=@var{support}
@code{VSAM} status in @code{FILE} @code{STATUS}
	where @var{support} is one of:
	@code{ok@code{, @code{warning@code{, @code{archaic@code{, @code{obsolete@code{, }skip}, }ignore}, }error}, }unconformable}

@item -fnot-reserved=@var{word}
@var{word} to be taken out of the reserved words list

@item -freserved=@var{word}
@var{word} to be added to reserved words list

@item -freserved=@var{word}:@var{alias}
@var{word} to be added to reserved words list as @var{alias}

@item -fnot-register=@var{word}
special register to disable

@item -fregister=@var{word}
special register to enable
@end table
