[Buildroot] [PATCHv3] gdb: prevent building the documentation

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Wed Sep 9 14:45:26 UTC 2015


Vicente,

On Wed, 9 Sep 2015 15:41:00 +0100, Vicente Olivert Riera wrote:

> according to the binutils.mk file, only the one for ARC architecture
> needs host-texinfo:
> 
> ifeq ($(BR2_arc),y)
> BINUTILS_SITE = $(call
> github,foss-for-synopsys-dwc-arc-processors,binutils-gdb,$(BINUTILS_VERSION))
> BINUTILS_SOURCE = binutils-$(BINUTILS_VERSION).tar.gz
> BINUTILS_FROM_GIT = y
> endif
> 
> [snip]
> 
> ifeq ($(BINUTILS_FROM_GIT),y)
> BINUTILS_DEPENDENCIES += host-texinfo host-flex host-bison
> HOST_BINUTILS_DEPENDENCIES += host-texinfo host-flex host-bison
> endif
> 
> However, I have removed the texinfo package and also removed the
> host-texinfo dependencies from binutils.mk, and it worked fine:
> 
> $ grep "BR2_arc=y" .config
> BR2_arc=y
> 
> $ ls package/texinfo
> ls: cannot access package/texinfo: No such file or directory
> 
> $ ls output/build/host-binutils-arc-2015.06/.stamp_host_installed
> output/build/host-binutils-arc-2015.06/.stamp_host_installed
> 
> $ ls output/build/binutils-arc-2015.06/.stamp_target_installed
> output/build/binutils-arc-2015.06/.stamp_target_installed
> 
> So this dependency is unnecessary.

Actually, it is not clear to me when binutils/gdb want to rebuild their
documentation. Some versions of gdb did not try to rebuild their
documentation, some did. I wonder if gdb/binutils don't come with a
pre-generated version of the documentation, which might get
re-generated if the timestamps of the generated doc is older than the
documentation source. This is pure guess.

But in any case, if host-texinfo is no longer needed to build the ARC
binutils, then indeed we can drop the host-texinfo dependency, and drop
the host-texinfo package as well.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com



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