On Sun, Dec 25, 2011 at 06:55:41PM +0100, Juergen Beisert wrote:
> >From its README:
> libpipeline is a C library for setting up and running pipelines of processes,
> without needing to involve shell command-line parsing which is often
> error-prone and insecure. This alleviates programmers of the need to
> laboriously construct pipelines using lower-level primitives such as fork and
> execve.
>     
> Signed-off-by: Juergen Beisert <[email protected]>
> 
> diff --git a/rules/libpipeline.in b/rules/libpipeline.in
> new file mode 100644
> index 0000000..03abcdb
> --- /dev/null
> +++ b/rules/libpipeline.in
> @@ -0,0 +1,20 @@
> +## SECTION=system_libraries
> +
> +menuconfig LIBPIPELINE
> +     tristate
> +     prompt "libpipeline                   "
> +     help
> +       libpipeline is a C library for setting up and running pipelines of
> +       processes, without needing to involve shell command-line parsing which
> +       is often error-prone and insecure. This alleviates programmers of the
> +       need to laboriously construct pipelines using lower-level primitives
> +       such as fork and execve.
> +
> +if LIBPIPELINE
> +config LIBPIPELINE_SOCKETPAIR
> +     bool
> +     prompt "Use socketpair"
> +     help
> +       Use socketpair(2) as fast replacement for pipe(2)
> +
> +endif
> diff --git a/rules/libpipeline.make b/rules/libpipeline.make
> new file mode 100644
> index 0000000..4228de9
> --- /dev/null
> +++ b/rules/libpipeline.make
> @@ -0,0 +1,75 @@
> +# -*-makefile-*-
> +#
> +# Copyright (C) 2011 by Juergen Beisert <[email protected]>
> +#
> +# See CREDITS for details about who has contributed to this project.
> +#
> +# For further information about the PTXdist project and license conditions
> +# see the README file.
> +#
> +
> +#
> +# We provide this package
> +#
> +PACKAGES-$(PTXCONF_LIBPIPELINE) += libpipeline
> +
> +#
> +# Paths and names
> +#
> +LIBPIPELINE_VERSION  := 1.2.0
> +LIBPIPELINE_MD5              := dd3a987a0d2b594716baee2f73d61ae3
> +LIBPIPELINE          := libpipeline-$(LIBPIPELINE_VERSION)
> +LIBPIPELINE_SUFFIX   := tar.gz
> +LIBPIPELINE_URL              := 
> http://download.savannah.gnu.org/releases/libpipeline/$(LIBPIPELINE).$(LIBPIPELINE_SUFFIX)
> +LIBPIPELINE_SOURCE   := $(SRCDIR)/$(LIBPIPELINE).$(LIBPIPELINE_SUFFIX)
> +LIBPIPELINE_DIR              := $(BUILDDIR)/$(LIBPIPELINE)
> +LIBPIPELINE_LICENSE  := GPLv3
> +
> +# 
> ----------------------------------------------------------------------------
> +# Prepare
> +# 
> ----------------------------------------------------------------------------
> +
> +#
> +# autoconf
> +#
> +LIBPIPELINE_CONF_ENV := $(CROSS_ENV)
> +LIBPIPELINE_CONF_TOOL        := autoconf
> +LIBPIPELINE_CONF_OPT := 

break

        $(CROSS_AUTOCONF_USR) \
> +     --enable-silent-rules \
> +     --disable-dependency-tracking \

Don't do this. It's not worth much and the prossible errors are hard to
track.

> +     --disable-static \
> +     --enable-shared \
> +     --enable-fast-install \
> +     --enable-threads=posix \
> +     --disable-rpath
> +
> +ifdef PTXCONF_LIBPIPELINE_SOCKETPAIR
> +LIBPIPELINE_CONF_OPT += --enable-socketpair-pipe
> +# we know it works on our system
> +# (but 'configure' cannot check it due to cross compiling)
> +LIBPIPELINE_CONF_ENV += pipeline_cv_socketpair_pipe=yes \
> +     pipeline_cv_socketpair_mode=yes
> +else
> +LIBPIPELINE_CONF_OPT += --disable-socketpair-pipe
> +endif

the cache variables are only checked for --enable-..., right?
So always define them and use
--$(call ptx/endis, PTXCONF_LIBPIPELINE_SOCKETPAIR)-socketpair-pipe

Michael

> +
> +# 
> ----------------------------------------------------------------------------
> +# Target-Install
> +# 
> ----------------------------------------------------------------------------
> +
> +$(STATEDIR)/libpipeline.targetinstall:
> +     @$(call targetinfo)
> +
> +     @$(call install_init, libpipeline)
> +     @$(call install_fixup, libpipeline,PRIORITY,optional)
> +     @$(call install_fixup, libpipeline,SECTION,base)
> +     @$(call install_fixup, libpipeline,AUTHOR,"Juergen Beisert 
> <[email protected]>")
> +     @$(call install_fixup, libpipeline,DESCRIPTION,"pipeline manipulation 
> library")
> +
> +     @$(call install_lib, libpipeline, 0, 0, 0644, libpipeline)
> +
> +     @$(call install_finish, libpipeline)
> +
> +     @$(call touch)
> +
> +# vim: syntax=make
> 
> -- 
> Pengutronix e.K.                              | Juergen Beisert             |
> Linux Solutions for Science and Industry      | http://www.pengutronix.de/  |
> 
> -- 
> ptxdist mailing list
> [email protected]
> 

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