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From: Michael Olbrich <m.olbrich@pengutronix.de>
To: ptxdist@pengutronix.de
Subject: Re: [ptxdist] [PATCH v2] glew: link against libX11
Date: Tue, 2 Apr 2013 10:47:57 +0200	[thread overview]
Message-ID: <20130402084757.GA28829@pengutronix.de> (raw)
In-Reply-To: <20130331191128.GA27525@pengutronix.de>

On Sun, Mar 31, 2013 at 09:11:28PM +0200, Robert Schwebel wrote:
> src/visualinfo.c and src/glewinfo.c call XDestroyWindow, so we need to link against libX11.
> Otherwhise this breaks down with
> 
> /opt/OSELAS.Toolchain-2012.12.0/arm-1136jfs-linux-gnueabi/gcc-4.7.2-glibc-2.16.0-binutils-2.22-kernel-3.6-sanitized/bin/../lib/gcc/arm-1136jfs-linux-gnueabi/4.7.2/../../../../arm-1136jfs-linux-gnueabi/bin/ld: src/glewinfo.o: undefined reference to symbol 'XDestroyWindow'

Hmm, I'm not seeing it. The problem is definitely there, and it will fail
with a newer toolchain, but with a different error.

> Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
> ---
> Changes in v2:
> - get -lX11 via pkg-config (reported by Alexander Aring <alex.aring@gmail.com>)
> 
>  rules/glew.make |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/rules/glew.make b/rules/glew.make
> index 08acaff..955cbdd 100644
> --- a/rules/glew.make
> +++ b/rules/glew.make
> @@ -41,7 +41,7 @@ GLEW_MAKE_OPT	:= \
>  	LD=$(CROSS_CC) \
>  	CFLAGS.EXTRA='$(CROSS_CPPFLAGS) $(CROSS_CFLAGS)' \
>  	LDFLAGS.EXTRA='$(CROSS_LDFLAGS)' \
> -	LDFLAGS.GL='`$(CROSS_ENV) eval PATH=$(CROSS_PATH) $$PKG_CONFIG --libs glu`' \
> +	LDFLAGS.GL='`$(CROSS_ENV) eval PATH=$(CROSS_PATH) $$PKG_CONFIG --libs glu x11`' \

This is wrong. libX11 is only needed by the tools not libglew itself. We
should not build the tools and drop the dependency for libX11 instead.

Michael

>  	GLEW_DEST=$(GLEW_PKGDIR)/usr \
>  	LIBDIR=$(GLEW_PKGDIR)/usr/lib \
>  	M_ARCH=$(PTXCONF_ARCH_STRING)
> -- 
> 1.7.10.4
> 
> -- 
> ptxdist mailing list
> ptxdist@pengutronix.de
> 

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      reply	other threads:[~2013-04-02  8:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-31 19:11 Robert Schwebel
2013-04-02  8:47 ` Michael Olbrich [this message]

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