[Buildroot] [PATCH 1/2] package/libgc: add Boehm-Demers-Weiser gc library

["Alex Bennée" <alex.bennee@linaro.org>]

Yann E. MORIN <yann.morin.1998@free.fr> writes:

> Alex, Alex, All,
>
> On 2014-04-07 12:00 +0100, Alex Benn?e spake thusly:
>> This is needed for applications like Zile
>> 
>> Signed-off-by: Alex Benn?e <alex.bennee@linaro.org>
>> Signed-off-by: Alex Benn?e <alex@bennee.com>
>
> Woot! It's not that often with have a schizophrenic contributor! ;-)

Yeah I blame format-patch for that one!

>
> [--SNIP--]
>> diff --git a/package/libgc/libgc.mk b/package/libgc/libgc.mk
>> new file mode 100644
>> index 0000000..e5c4609
>> --- /dev/null
>> +++ b/package/libgc/libgc.mk
>> @@ -0,0 +1,23 @@
>> +################################################################################
>> +#
>> +# Boehm-Demers-Weiser's GC
>> +#
>> +################################################################################
>> +
>> +LIBGC_VERSION = 7.4.0
>> +LIBGC_SOURCE = gc-${LIBGC_VERSION}.tar.gz
>
> Use parenthesis when evaluating variables, not curly-braces:
>     LIBGC_SOURCE = gc-$(LIBGC_VERSION).tar.gz
>
>> +LIBGC_SITE = http://www.hboehm.info/gc/gc_source/
>> +LIBGC_EXTRA_DOWNLOADS = libatomic_ops-${LIBGC_VERSION}.tar.gz
>
> Ditto, parenthesis.
>
>> +LIBGC_LICENSE = GPLv1+
>> +LIBGC_LICENSE_FILES = COPYING
>> +LIBGC_INSTALL_STAGING = YES
>> +
>> +define LIBGC_POST_EXTRACT_INC_LIBATOMIC
>> +	env
>
> This is not needed.
>
>> +	mkdir -p $(@D)/libatomic_ops
>> +	tar -xvf ${BR2_DL_DIR}/libatomic_ops-${LIBGC_VERSION}.tar.gz --strip-components=1 -C $(@D)/libatomic_ops
>> +endef
>> +
>> +LIBGC_POST_EXTRACT_HOOKS += LIBGC_POST_EXTRACT_INC_LIBATOMIC
>
> I know this is how upstream suggests building, but I can refrain from
> finding this really ugly... Yuck! :-(
>
> Anyway: can't use you use something like:
>
>     LIBGC_LIBATOMIC_OPS = libatomic_ops-${LIBGC_VERSION}.tar.gz
>     LIBGC_EXTRA_DOWNLOADS = $(LIBGC_LIBATOMIC_OPS)
>
>     define LIBGC_POST_EXTRACT_INC_LIBATOMIC
>         $(INSTALL) -d -m 0755 $(LSOF_DIR)/libatomic_ops && \
>         $(call suitable-extractor,$(LIBGC_LIBATOMIC_OPS)) $(DL_DIR)/$(LIBGC_LIBATOMIC_OPS) |\
>             $(TAR) $(TAR_STRIP_COMPONENTS)=1 -C $(LSOF_DIR)/libatomic_opsi $(TAR_OPTIONS) -
>     endef
>     LIBGC_POST_EXTRACT_HOOKS += LIBGC_POST_EXTRACT_INC_LIBATOMIC
>
> Note LIBGC_LIBATOMIC_OPS is not strictly required, but I find it cleaner
> to use, rather than call suitabel-extract on _EXTRA_DOWNLOADS, which is
> a plual and could contain more than one file. That's purely for
> aesthetics.

I'll look at using the buildroot defined one.

>
>> +$(eval $(autotools-package))
>
> Regards,
> Yann E. MORIN.

-- 
Alex Benn?e