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doc: Document all D-specific configuration options.

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gcc/ChangeLog:

	* doc/install.texi (D-Specific Options): Document
	--enable-libphobos-checking and --with-libphobos-druntime-only.
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Iain Buclaw 2020-04-23 10:02:46 +02:00
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@ -1,3 +1,8 @@
2020-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
* doc/install.texi (D-Specific Options): Document
--enable-libphobos-checking and --with-libphobos-druntime-only.
2020-04-23 Jakub Jelinek <jakub@redhat.com>
PR target/94707

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gcc/doc/install.texi
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@ -2460,6 +2460,37 @@ default locations.
The following options apply to the build of the D runtime library.
@table @code
@item --enable-libphobos-checking
@itemx --disable-libphobos-checking
@itemx --enable-libphobos-checking=@var{list}
This option controls whether run-time checks and contracts are compiled into
the D runtime library. When the option is not specified, the library is built
with @samp{release} checking. When the option is specified without a
@var{list}, the result is the same as @samp{--enable-libphobos-checking=yes}.
Likewise, @samp{--disable-libphobos-checking} is equivalent to
@samp{--enable-libphobos-checking=no}.
The categories of checks available in @var{list} are @samp{yes} (compiles
libphobos with @option{-fno-release}), @samp{no} (compiles libphobos with
@option{-frelease}), @samp{all} (same as @samp{yes}), @samp{none} or
@samp{release} (same as @samp{no}).
Individual checks available in @var{list} are @samp{assert} (compiles libphobos
with an extra option @option{-fassert}).
@item --with-libphobos-druntime-only
@itemx --with-libphobos-druntime-only=@var{choice}
Specify whether to build only the core D runtime library (druntime), or both
the core and standard library (phobos) into libphobos. This is useful for
targets that have full support in druntime, but no or incomplete support
in phobos. @var{choice} can be one of @samp{auto}, @samp{yes}, and @samp{no}
where @samp{auto} is the default.
When the option is not specified, the default choice @samp{auto} means that it
is inferred whether the target has support for the phobos standard library.
When the option is specified without a @var{choice}, the result is the same as
@samp{--with-libphobos-druntime-only=yes}.
@item --with-target-system-zlib
Use installed @samp{zlib} rather than that included with GCC@. This needs
to be available for each multilib variant, unless configured with