Re: [ptxdist] [PATCH 1/3] hiredis: new package

[Clemens Gruber <clemens.gruber@pqgruber.com>]

Hi,

On Mon, Feb 07, 2022 at 11:39:10AM +0100, Alexander Dahl wrote:
> Hei hei,
> 
> On Mon, Feb 07, 2022 at 10:03:21AM +0100, Clemens Gruber wrote:
> > On Mon, Feb 07, 2022 at 08:39:36AM +0100, Michael Olbrich wrote:
> > > On Fri, Feb 04, 2022 at 05:28:07PM +0100, Clemens Gruber wrote:
> > > > Adds a new package for hiredis, a minimalistic C client library for
> > > > Redis.
> > > > 
> > > > Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
> > > > ---
> > > >  rules/hiredis.in   |  8 ++++++
> > > >  rules/hiredis.make | 61 ++++++++++++++++++++++++++++++++++++++++++++++
> > > >  2 files changed, 69 insertions(+)
> > > >  create mode 100644 rules/hiredis.in
> > > >  create mode 100644 rules/hiredis.make
> > > > 
> > > > diff --git a/rules/hiredis.in b/rules/hiredis.in
> > > > new file mode 100644
> > > > index 000000000..d416d69c4
> > > > --- /dev/null
> > > > +++ b/rules/hiredis.in
> > > > @@ -0,0 +1,8 @@
> > > > +## SECTION=system_libraries
> > > > +
> > > > +config HIREDIS
> > > > +	tristate
> > > > +	select HOST_CMAKE
> > > > +	prompt "hiredis                       "
> > > > +	help
> > > > +	  Hiredis is a minimalistic C client library for the Redis database.
> > > > diff --git a/rules/hiredis.make b/rules/hiredis.make
> > > > new file mode 100644
> > > > index 000000000..10e6d81d2
> > > > --- /dev/null
> > > > +++ b/rules/hiredis.make
> > > > @@ -0,0 +1,61 @@
> > > > +# -*-makefile-*-
> > > > +#
> > > > +# Copyright (C) 2022 by Clemens Gruber <clemens.gruber@pqgruber.com>
> > > > +#
> > > > +# For further information about the PTXdist project and license conditions
> > > > +# see the README file.
> > > > +#
> > > > +
> > > > +#
> > > > +# We provide this package
> > > > +#
> > > > +PACKAGES-$(PTXCONF_HIREDIS) += hiredis
> > > > +
> > > > +#
> > > > +# Paths and names
> > > > +#
> > > > +HIREDIS_VERSION	:= 1.0.2
> > > > +HIREDIS_MD5	:= 58e8313188f66ed1be1c220d14a7752e
> > > > +HIREDIS		:= hiredis-$(HIREDIS_VERSION)
> > > > +HIREDIS_SUFFIX	:= tar.gz
> > > > +HIREDIS_URL	:= https://github.com/redis/hiredis/archive/v$(HIREDIS_VERSION).$(HIREDIS_SUFFIX)
> > > > +HIREDIS_SOURCE	:= $(SRCDIR)/$(HIREDIS).$(HIREDIS_SUFFIX)
> > > > +HIREDIS_DIR	:= $(BUILDDIR)/$(HIREDIS)
> > > > +HIREDIS_LICENSE	:= BSD-3-Clause
> > > 
> > > Please add _LICENSE_FILES as well.
> > > 
> > > > +
> > > > +# ----------------------------------------------------------------------------
> > > > +# Prepare
> > > > +# ----------------------------------------------------------------------------
> > > > +
> > > > +#
> > > > +# cmake
> > > > +#
> > > > +HIREDIS_CONF_TOOL	:= cmake
> > > > +
> > > > +HIREDIS_CONF_OPT	:= \
> > > > +	$(CROSS_CMAKE_USR) \
> > > > +	-DDISABLE_TESTS=ON \
> > > > +	-DENABLE_SSL=OFF
> > > > +
> > > > +
> > > > +# ----------------------------------------------------------------------------
> > > > +# Target-Install
> > > > +# ----------------------------------------------------------------------------
> > > > +
> > > > +$(STATEDIR)/hiredis.targetinstall:
> > > > +	@$(call targetinfo)
> > > > +
> > > > +	@$(call install_init, hiredis)
> > > > +	@$(call install_fixup, hiredis,PRIORITY,optional)
> > > > +	@$(call install_fixup, hiredis,SECTION,base)
> > > > +	@$(call install_fixup, hiredis,AUTHOR,"Clemens Gruber <clemens.gruber@pqgruber.com>")
> > > > +	@$(call install_fixup, hiredis,DESCRIPTION,"Minimalistic C client for Redis")
> > > > +
> > > > +	@$(call install_lib, hiredis, 0, 0, 0644, libhiredis)
> > > > +	@$(call install_link, hiredis, libhiredis.so.1.0.0, /usr/lib/libhiredis.so)
> > > 
> > > In general, this link should not be needed. If it really is needed then
> > > please add a comment why.
> > 
> > Maybe you can help me out here: If I don't call install_link, the
> > libhiredis.so link is not present in my rootfs image, even though it is
> > present in platform-xyz/packages/hiredis-1.0.2/usr/lib and in
> > platform-xyz/root/usr/lib
> 
> I would expect this. Usually you have three pieces:
> 
> libfoo.so.1.0.0 (real binary file)
> libfoo.so.1 (symlink to libfoo.so.1.0.0, used at runtime by users of the lib)
> libfoo.so (symlink, used at build time)
> 
> > Still in my rootfs image, there is only /usr/lib/libhiredis.so.1.0.0
> > It is a normal root.ext2 image with ext2fs type ext4.
> > 
> > Any idea why that is?
> 
> No idea why that is, but without further knowledge of that lib I would
> expect to see libhiredis.so.1 on the target instead of libhiredis.so
> (which is probably only needed in sysroot-target).

I forgot to mention that the libhiredis.so.1 link is also created in
platform-xyz/packages/.. and platform-xyz/root/..
I should probably have added the create_link for that one as well but
did not need it because a binary blob not under my control dynloads
/usr/lib/libhiredis.so

Maybe Michael can shed some light on why the links are not present in
the rootfs.

Just for testing I enabled the creation of a root.tgz file
(image-root-tgz). There, the links are also missing.

Thanks,
Clemens

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