fpc -h
Free Pascal Compiler version 2.6.4 [2014/03/06] for i386
Copyright (c) 1993-2014 by Florian Klaempfl and
others
c:FPC2.6.4bini386-Win32ppc386.exe [options] <inputfile> [options]
Put + after a boolean switch option to enable it, - to disable it
-a The compiler doesn't delete the generated assembler file -al
List sourcecode lines in assembler file
-an List node info in assembler
file
-ar List register allocation/release info in assembler file -at
List temp allocation/release info in assembler file -A<x> Output
format:
-Adefault Use default assembler
-Aas Assemble using GNU AS
-Amacho Mach-O (Darwin, Intel 32 bit) using internal writer -Anasmcoff
COFF (Go32v2) file using Nasm
-Anasmelf ELF32 (Linux) file using Nasm
-Anasmwin32Win32 object file using Nasm
-AnasmwdosxWin32/WDOSX object
file using Nasm
-Awasm Obj file using Wasm (Watcom)
-Anasmobj Obj file
using Nasm
-Amasm Obj file using Masm (Microsoft)
-Atasm Obj file
using Tasm (Borland)
-Aelf ELF (Linux) using internal writer
-Acoff
COFF (Go32v2) using internal writer
-Apecoff PE-COFF (Win32) using
internal writer
-b Generate browser info
-bl Generate local symbol
info
-B Build all modules
-C<x> Code generation options:
-C3<x> Turn
on ieee error checking for constants
-Ca<x> Select ABI, see fpc -i for
possible values
-Cb Generate big-endian code
-Cc<x> Set default
calling convention to <x>
-CD Create also dynamic library (not
supported)
-Ce Compilation with emulated floating point opcodes -Cf<x>
Select fpu instruction set to use, see fpc -i for possible values
-CF<x> Minimal floating point constant precision (default, 32, 64) -Cg
Generate PIC code
-Ch<n> <n> bytes heap (between 1023 and 67107840)
-Ci IO-checking
-Cn Omit linking stage
-Co Check overflow of integer
operations
-CO Check for possible overflow of integer operations
-Cp<x> Select instruction set, see fpc -i for possible values
-CP<x>=<y> packing settings
-CPPACKSET=<y> <y> set allocation: 0, 1 or
DEFAULT or NORMAL, 2, 4 and 8
-Cr Range checking
-CR Verify object
method call validity
-Cs<n> Set stack checking size to <n>
-Ct Stack
checking (for testing only, see manual)
-CX Create also smartlinked
library
-d<x> Defines the symbol <x>
-D Generate a DEF file
-Dd<x>
Set description to <x>
-Dv<x> Set DLL version to <x>
-e<x> Set path to
executable
-E Same as -Cn
-fPIC Same as -Cg
-F<x> Set file names and
paths:
-Fa<x>[,y] (for a program) load units <x> and [y] before uses is parsed
-Fc<x> Set input codepage to <x>
-FC<x> Set RC compiler binary
name to <x>
-Fd Disable the compiler's internal directory cache -FD<x>
Set the directory where to search for compiler utilities -Fe<x>
Redirect error output to <x>
-Ff<x> Add <x> to framework path (Darwin
only)
-FE<x> Set exe/unit output path to <x>
-Fi<x> Add <x> to include
path
-Fl<x> Add <x> to library path
-FL<x> Use <x> as dynamic linker
-Fm<x> Load unicode conversion table from <x>.txt in the compiler dir
-Fo<x> Add <x> to object path
-Fr<x> Load error message file <x>
-FR<x> Set resource (.res) linker to <x>
-Fu<x> Add <x> to unit path
-FU<x> Set unit output path to <x>, overrides -FE
-FW<x> Store
generated whole-program optimization feedback in <x> -Fw<x> Load
previously stored whole-program optimization feedback from <x> -g
Generate debug information (default format for target) -gc Generate
checks for pointers
-gh Use heaptrace unit (for memory leak/corruption debugging)
-gl Use line info unit (show more info with backtraces)
-go<x> Set debug information options
-godwarfsets Enable DWARF 'set'
type debug information (breaks gdb < 6.5)
-gostabsabsincludes Store
absolute/full include file paths in Stabs
-godwarfmethodclassprefix
Prefix method names in DWARF with class name
-gp Preserve case in stabs
symbol names
-gs Generate Stabs debug information
-gt Trash local
variables (to detect uninitialized uses)
-gv Generates programs
traceable with Valgrind
-gw Generate DWARFv2 debug information (same as
-gw2)
-gw2 Generate DWARFv2 debug information
-gw3 Generate DWARFv3
debug information
-gw4 Generate DWARFv4 debug information
(experimental)
-i Information
-iD Return compiler date
-iV Return
short compiler version
-iW Return full compiler version
-iSO Return
compiler OS
-iSP Return compiler host processor
-iTO Return target OS
-iTP Return target processor
-I<x> Add <x> to include path
-k<x> Pass
<x> to the linker
-l Write logo
-M<x> Set language mode to <x>
-Mfpc
Free Pascal dialect (default)
-Mobjfpc FPC mode with Object Pascal
support
-Mdelphi Delphi 7 compatibility mode
-Mtp TP/BP 7.0
compatibility mode
-Mmacpas Macintosh Pascal dialects compatibility
mode
-n Do not read the default config files
-N<x> Node tree
optimizations
-Nu Unroll loops
-o<x> Change the name of the executable
produced to <x>
-O<x> Optimizations:
-O- Disable optimizations
-O1
Level 1 optimizations (quick and debugger friendly) -O2 Level 2
optimizations (-O1 + quick optimizations)
-O3 Level 3 optimizations
(-O2 + slow optimizations)
-Oa<x>=<y> Set alignment
-Oo[NO]<x> Enable
or disable optimizations, see fpc -i for possible values -Op<x> Set
target cpu for optimizing, see fpc -i for possible values -OW<x>
Generate whole-program optimization feedback for optimization <x>, see fpc -i for possible values
-Ow<x> Perform whole-program optimization
<x>, see fpc -i for possible values
-Os Optimize for size rather than
speed
-pg Generate profile code for gprof (defines FPC_PROFILE) -R<x>
Assembler reading style:
-Rdefault Use default assembler for target
-Ratt Read AT&T style assembler
-Rintel Read Intel style assembler
-S<x> Syntax options:
-S2 Same as -Mobjfpc
-Sc Support operators like
C (*=,+=,/= and -=)
-Sa Turn on assertions
-Sd Same as -Mdelphi
-Se<x> Error options. <x> is a combination of the following: <n> :
Compiler halts after the <n> errors (default is 1) w : Compiler also
halts after warnings
n : Compiler also halts after notes
h : Compiler
also halts after hints
-Sg Enable LABEL and GOTO (default in -Mtp and
-Mdelphi)
-Sh Use ansistrings by default instead of shortstrings -Si
Turn on inlining of procedures/functions declared as "inline" -Sk Load
fpcylix unit
-SI<x> Set interface style to <x>
-SIcom COM compatible
interface (default)
-SIcorba CORBA compatible interface
-Sm Support
macros like C (global)
-So Same as -Mtp
-Ss Constructor name must be
init (destructor must be done)
-Sx Enable exception keywords (default
in Delphi/ObjFPC modes)
-Sy @<pointer> returns a typed pointer, same as
$T+
-s Do not call assembler and linker
-sh Generate script to link on
host
-st Generate script to link on target
-sr Skip register
allocation phase (use with -alr)
-T<x> Target operating system:
-Tdarwin Darwin/Mac OS X
-Temx OS/2 via EMX (including EMX/RSX
extender)
-Tfreebsd FreeBSD
-Tgo32v2 Version 2 of DJ Delorie DOS
extender
-Tiphonesim iPhoneSimulator from iOS SDK 3.2+ (older versions: -Tdarwin)
-Tlinux Linux
-Tnetbsd NetBSD
-Tnetware Novell Netware
Module (clib)
-Tnetwlibc Novell Netware Module (libc)
-Topenbsd
OpenBSD
-Tos2 OS/2 / eComStation
-Tsunos SunOS/Solaris
-Tsymbian
Symbian OS
-Tsolaris Solaris
-Twatcom Watcom compatible DOS extender
-Twdosx WDOSX DOS extender
-Twin32 Windows 32 Bit
-Twince Windows CE
-u<x> Undefines the symbol <x>
-U Unit options:
-Un Do not check where
the unit name matches the file name
-Ur Generate release unit files
(never automatically recompiled)
-Us Compile a system unit
-v<x> Be
verbose. <x> is a combination of the following letters: e : Show errors
(default) 0 : Show nothing (except errors)
w : Show warnings u : Show
unit info
n : Show notes t : Show tried/used files
h : Show hints c :
Show conditionals
i : Show general info d : Show debug info
l : Show
linenumbers r : Rhide/GCC compatibility mode
s : Show time stamps q :
Show message numbers
a : Show everything x : Executable info (Win32
only)
b : Write file names messages p : Write tree.log with parse tree
with full path v : Write fpcdebug.txt with
lots of debugging info
m<x>,<y> : Don't show messages numbered <x> and <y> -W<x>
Target-specific options (targets)
-WA Specify native type application
(Windows)
-Wb Create a bundle instead of a library (Darwin)
-WB Create
a relocatable image (Windows, Symbian)
-WBxxxx Set image base to xxxx
(Windows, Symbian)
-WC Specify console type application (EMX, OS/2,
Windows)
-WD Use DEFFILE to export functions of DLL or EXE (Windows)
-We Use external resources (Darwin)
-WF Specify full-screen type
application (EMX, OS/2)
-WG Specify graphic type application (EMX,
OS/2, Windows)
-Wi Use internal resources (Darwin)
-WI Turn on/off the
usage of import sections (Windows)
-WM<x> Minimum Mac OS X deployment
version: 10.4, 10.5.1, ... (Darwin)
-WN Do not generate relocation
code, needed for debugging (Windows)
-WP<x> Minimum iOS deployment
version: 3.0, 5.0.1, ... (iphonesim)
-WR Generate relocation code
(Windows)
-WX Enable executable stack (Linux)
-X Executable options:
-Xc Pass --shared/-dynamic to the linker (BeOS, Darwin, FreeBSD, Linux)
-Xd Do not search default library path (sometimes required for cross-compiling when not using -XR)
-Xe Use external linker
-Xg Create
debuginfo in a separate file and add a debuglink section to executable
-XD Try to link units dynamically (defines FPC_LINK_DYNAMIC) -Xi Use
internal linker
-Xm Generate link map
-XM<x> Set the name of the
'main' program routine (default is 'main')
-XP<x> Prepend the binutils
names with the prefix <x>
-Xr<x> Set the linker's rlink-path to <x>
(needed for cross compile, see the ld manual for more information) (BeOS, Linux)
-XR<x> Prepend <x> to all linker search paths (BeOS, Darwin, FreeBSD, Linux, Mac OS, Solaris)
-Xs Strip all symbols from
executable
-XS Try to link units statically (default, defines FPC_LINK_STATIC)
-Xt Link with static libraries (-static is passed to linker)
-XX Try to smartlink units (defines FPC_LINK_SMART)
-? Show
this help
-h Shows this help without waiting
Sven Barth wroteAm 03.10.2014 03:37 schrieb "Philippe"
:
>
> @cfg
>
> I read about that option
in a previous message of the thread ... clearly a better ideia!!! ... I´ll use it for sure!
>
> taking advantage of the oportunity. when
one type fpc in the command line, he/she gets:
>
>
>
>
D:psl9c9>fpc
> Free Pascal Compiler version 2.6.4 [2014/03/06] for
i386
> Copyright (c) 1993-2014 by Florian Klaempfl and others
>
c:FPC2.6.4bini386-Win32ppc386.exe [options] <inputfile> [options]
Show quoted text 5 lines
>
and so one ...
>
> and if I did not missed it, there is nothing
about @cfg !
>
> that is the reason while I never used it!
It
should be listed if you show the help using "-h" parameter.
Regards,
Sven
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