FBC(1)                        FreeBASIC Compiler                        FBC(1)



NAME
      fbc - The FreeBASIC compiler

DESCRIPTION
      Compiles FreeBASIC source code files (*.bas) to native code.

SYNOPSIS
      fbc [options] input-files


OPTIONS
      input-files
             *.a  =  library,  *.o = object, *.bas = source, *.rc = win32 re-
             source script, *.res = win32 compiled resource, *.xpm = X11 icon
             resource

      @file  Read more command line arguments from a file

      -a file
             Treat file as .o/.a input file

      -arch type
             Set target architecture (default: 686)

      -asm att|intel
             Set  the assembler format for Asm blocks and for code generation
             (x86 only)

      -b file
             Treat file as .bas input file

      -buildprefix name
             Specify prefix on tool names (as, ar, ld)

      -c     Compile only, do not link

      -C     Preserve temporary .o files

      -d name[=val]
             Add a global #define

      -dll   Same as -dylib

      -dylib Create a Win32 DLL or Linux/*BSD shared library

      -e     Enable runtime error checking

      -earray
             Enable array bounds checking

      -eassert
             Enable assert() and assertwarn() checking

      -edebug
             Enable __FB_DEBUG__

      -edebuginfo
             Add debug information

      -elocation
             Enable full error location reporting

      -enullptr
             Enable null-pointer checking

      -eunwind
             Enable call stack unwind information

      -entry name
             Change the entry point of the program from main()

      -ex    -e plus RESUME support

      -exx   -ex plus array bounds/null-pointer checking

      -export
             Export symbols for dynamic linkage

      -forcelang name
             Override #lang statements in source code

      -fpmode fast|precise
             Select floating-point math accuracy/speed

      -fpu x87|sse
             Set target FPU

      -g     Add debug info, enable __FB_DEBUG__, and enable asserts

      -gen gas|gcc|llvm|as64
             Select code generation backend

      -i path
             Add an include file search path

      -include file
             Pre-#include a file for each input .bas

      -l name
             Link in a library

      -lang name
             Select FB dialect: fb (default), deprecated, qb, fblite

      -lib   Create a static library

      -m name
             Set main module (default if not -c: first input .bas)

      -map file
             Save linking map to file

      -maxerr n
             Only show n errors

      -mt    Use thread-safe FB runtime

      -nodeflibs
             Do not include the default libraries when linking

      -noerrline
             Do not show source context in error messages

      -nolib a,b,c
             Do not include the specified libraries when linking

      -noobjinfo
             Do not read/write compile-time info from/to .o and .a files

      -nostrip
             Do not strip symbol information from the output file

      -o file
             Set .o file name for corresponding input .bas

      -O value
             Optimization level (default: 0)

      -p path
             Add a library search path

      -pic   Generate position-independent code (non-x86 Unix shared libs)

      -pp    Write out preprocessed input file (.pp.bas) only

      -prefix path
             Set the compiler prefix path

      -print host|target
             Display host/target system name

      -print x
             Display output binary/library file name (if known)

      -print sha-1
             Display compiler's source code commit sha-1 (if known)

      -profile
             Enable function profiling

      -r     Write out .asm (-gen gas) or .c (-gen gcc) only

      -rr    Write out the final .asm only

      -R     Preserve the temporary .asm/.c file

      -RR    Preserve the final .asm file

      -s console|gui
             Select win32 subsystem

      -static
             Prefer static libraries over dynamic ones when linking

      -strip Omit all symbol information from the output file

      -t value
             Set Win32/DOS .exe stack size in kbytes, default: 1024

      -target name
             Set cross-compilation target

      -title name
             Set XBE display title (XBox)

      -v     Be verbose

      -vec n Automatic vectorization level (default: 0)

      -version
             Show compiler version

      -w all|pedantic|n
             Set minimum warning level: all, pedantic, or an integer

      -w all Enable all warnings

      -w none
             Disable all warnings

      -w param
             Enable parameter warnings

      -w escape
             Enable string escape sequence warnings

      -w next
             Enable next statement warnings

      -w signedness
             Enable type signedness warnings

      -w constness
             Enable const type warnings

      -w suffix
             Enable warning when up-casting discards initializers

      -w error
             Report warnings as errors

      -w upcast
             Warn when up-casting discards initializers

      -Wa a,b,c
             Pass options to GAS

      -Wc a,b,c
             Pass options to GCC (with -gen gcc)

      -Wl a,b,c
             Pass options to LD

      -x file
             Set output executable/library file name

      -z gosub-setjmp
             Use setjmp/longjmp to implement GOSUB

      -z valist-as-ptr
             Use pointer expressions to implement CVA_*() macros

      -z no-thiscall
             Don't use '__thiscall' calling convention

      -z no-fastcall
             Don't use '__fastcall' calling convention

      -z fbrt
             Link with 'fbrt' instead of 'fb' runtime library

      -z retinflts
             Enable returning some types in floating point registers

      -z nocmdline
             Disable #cmdline source directives


ENVIRONMENT
      AS     Overrides location of GNU as (assembler)

      LD     Overrides location of GNU ld (linker)

      GCC    Overrides location of gcc (-gen gcc)


SEE ALSO
      The full language specification and help is available in wiki format at
      https://www.freebasic.net/wiki/

COPYRIGHT
      Copyright (C) 2004-2023 The FreeBASIC Development Team
      This  is  free  software.   You may redistribute copies of it under the
      terms  of  the  GNU  General  Public  License   <http://www.gnu.org/li-
      censes/gpl.html>.   There  is  NO  WARRANTY, to the extent permitted by
      law.

BUGS
      Any bugs should be reported on the Sourceforge.net tracker  located  at
      https://www.sourceforge.net/projects/fbc/


AUTHOR
      This manpage written by Ebben Feagan ([email protected])



FreeBASIC Compiler 1.10.1         2023-05-20                            FBC(1)

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