svn commit: r321051 - head/lang/gcc

[Bryan Drewery]

On 6/16/2013 9:13 AM, Gerald Pfeifer wrote:
> Author: gerald
> Date: Sun Jun 16 14:13:25 2013
> New Revision: 321051
> URL: http://svnweb.freebsd.org/changeset/ports/321051
> 
> Log:
>   Introduce a new option BOOTSTRAP that allows for doing a full
>   bootstrap of GCC, as opposed to just running a simple build.
>   Bootstrapping is actually the default upstream, we disable it
>   by default for the stable flavors of GCC since that is a huge
>   win in terms of build time of the port.  No change in default
>   behavior for this port.
>   
>   (When bootstrapping, use bootstrap-lean instead of default/vanilla
>   bootstrap to save on disk space.)
>   
>   Remove redundant setting of DISTNAME.
> 
> Modified:
>   head/lang/gcc/Makefile
> 
> Modified: head/lang/gcc/Makefile
> ==============================================================================
> --- head/lang/gcc/Makefile	Sun Jun 16 14:10:35 2013	(r321050)
> +++ head/lang/gcc/Makefile	Sun Jun 16 14:13:25 2013	(r321051)
> @@ -6,7 +6,6 @@ PORTVERSION=	4.6.3
>  CATEGORIES=	lang java
>  MASTER_SITES=	${MASTER_SITE_GCC}
>  MASTER_SITE_SUBDIR=	releases/gcc-${VERSIONSTRING}
> -DISTNAME=	gcc-${VERSIONSTRING}
>  
>  MAINTAINER=	gerald at FreeBSD.org
>  COMMENT=	GNU Compiler Collection 4.6
> @@ -39,10 +38,12 @@ MAKE_JOBS_SAFE=	yes
>  PATCH_WRKSRC=	${SRCDIR}
>  CONFIGURE_SCRIPT=	../${SRCDIR:S/${WRKDIR}\///}/configure
>  
> +OPTIONS_DEFINE=		BOOTSTRAP
>  OPTIONS_DEFINE_i386=	JAVA
>  OPTIONS_DEFINE_amd64=	JAVA
>  OPTIONS_DEFAULT_i386=	JAVA
>  OPTIONS_DEFAULT_amd64=	JAVA
> +BOOTSTRAP_DESC=		Build using a full bootstrap

I don't dispute the change. I'm curious what benefits bootstrapping has?
Does it improve run-time performance? I am guessing it means it builds a
smaller version of the release and then builds the release using itself
as opposed to the system compiler?


-- 
Regards,
Bryan Drewery

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