linux-kernel - Re: [PATCH 1/1] kbuild: solve the DSO link change issue

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Date:	Sun, 9 Dec 2012 15:15:39 +0000
From:	Cong Ding <dinggnu@...il.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	Yaakov Selkowitz <yselkowitz@...rs.sourceforge.net>,
	Peter Foley <pefoley2@...izon.net>,
	Adam Lee <adam8157@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] kbuild: solve the DSO link change issue

Ping Michal, did you have any comments on this?

- cong

On Thu, Nov 29, 2012 at 05:21:28PM +0000, Cong Ding wrote:
> when make menuconfig, it reports this error:
> 
> /usr/bin/ld: scripts/kconfig/lxdialog/checklist.o: undefined reference to symbol 'acs_map'
> /usr/bin/ld: note: 'acs_map' is defined in DSO /lib64/libtinfo.so.5 so try adding it to the linker command line
> /lib64/libtinfo.so.5: could not read symbols: Invalid operation
> collect2: ld returned 1 exit status
> 
> due to the DSO link change, we must explicitly link against every library needed.
> http://fedoraproject.org/wiki/UnderstandingDSOLinkChange
> 
> Signed-off-by: Cong Ding <dinggnu@...il.com>
> ---
>  scripts/kconfig/Makefile |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
> index 3091794..ae339a1 100644
> --- a/scripts/kconfig/Makefile
> +++ b/scripts/kconfig/Makefile
> @@ -215,6 +215,7 @@ HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
>                            -Wno-missing-prototypes
>  
>  HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
> +HOSTLOADLIBES_mconf += -ltinfo
>  
>  HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
>  $(obj)/qconf.o: $(obj)/.tmp_qtcheck
> -- 
> 1.7.4.5
> 
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