NAME¶

gdc - A GCC-based compiler for the D language

SYNOPSIS¶

gdc [-c]
[-g] [-pg] [-Olevel]
[-Idir...] [-Ldir...]
[-o outfile] infile...

For any given input file, the file name suffix determines what kind of compilation is done:

file.d

D source files.

file.di

D interface files.

file.o

Object files to link in.

file.a

Library files to link in

DESCRIPTION¶

The gdc command is a frontend to gcc and supports many of the same options. This manual only documents the options specific to gdc. Most of these have both positive and negative forms; the negative form of -ffoo would be -fno-foo. This manual documents only one of these two forms, whichever one is not the default.

The gdc command may be used to compile D source code into an object file, link a collection of object files together, or do both in sequence.

Only the most useful options are listed here; see below for the remainder.

OPTIONS¶

-frelease

Compile release version.

-funittest

Compile in unittest code.

-fno-assert

Turn off code generation for runtime assert()'s.

-fno-invariants

Turn off code generation for runtime invariant()'s.

-fno-in

Turn off code generation for runtime in() contracts.

-fno-out

Turn off code generation for runtime out() contracts.

-fno-bounds-check

Turns off array bounds checking for all functions.

-fno-builtin

Don't recognize built-in functions that do not begin with __builtin_ as prefix.

-fno-emit-moduleinfo

Turns off generation of module information and related functions.

-fd-verbose

Print information about D language processing to stdout.

-fproperty

For D2, enforce @property syntax.

-fd-vtls

List all variables going into thread local storage.

-fignore-unknown-pragmas

Ignore unsupported pragmas.

-fsplit-dynamic-arrays

Split dynamic arrays into length and pointer when passing to functions.

-femit-templates

Control template emission behaviour.

Turning on this option will emit all templates, but make them private to the translation unit. The executable will have multiple copies of code and data.

Turning off this option will tell the compiler to not emit templates at all.

The default behaviour is to emit templates, but only if the compiler determines that it needs to.

-fdebug=opt

Compile in debug code into the program.

These are supported options:

-fdeps=filename

Write module dependencies to filename.

-fmake-deps=filename

Write makefile dependency output to the given file.

-fmake-mdeps=filename

Like -fmake-deps=filename but ignore system header files.

-fonly=filename

Process all modules specified on the command line, but only generate code for the module specified by the argument.

-fversion=opt

Compile in version code into the program.

These are the supported options:

-fintfc

Generate D interface files.

-fintfc-dir=directory

Write D interface files to directory.

-fintfc-file=filename

Write D interface file to filename.

-fdoc

Generate documentation.

-fdoc-dir=directory

Write documentation file in directory.

-fdoc-file=filename

Write documentation file to filename.

-fdoc-inc=filename

Include a Ddoc macro file.

-fXf=filename

Write JSON file to filename.

-fdump-source

Dump decoded UTF-8 text from source.

-Wcast-result

Warn about casts that will produce a null or nil result.

-Werror

Make all warnings into errors.

-Wno-deprecated

Do not warn about usage of deprecated features.

-Wunknown-pragmas

Warn when a pragma is encountered that is not understood by GDC.

SEE ALSO¶

gpl(7), gfdl(7), fsf-funding(7), gcc(1) and the Info entries for gdc and gcc.

COPYRIGHT¶

Copyright (c) 2011, 2012, 2013 Free Software Foundation, Inc.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. A copy of the license is included in the man page gfdl(7).