[PATCH] tools: add yaml library

[Moritz Warning]

On 7/30/20 10:26 AM, Paul Spooren wrote:
> libyaml is used to process YAML files, a popular human readable
> configuration format. If available during compilation, the
> device-tree-compiler (dtc) will enable YAML as export format.
>
> The exported YAML files can be validated using dt-schema[0].
>
> Once available this can be used within a CI to reduce human resources
> spent on reviewing DTS files.
>
> [0]: https://github.com/robherring/dt-schema
>
> Signed-off-by: Paul Spooren <mail at aparcar.org>
> ---
> v3:
> * rename to yaml (was libyaml)
> * follow Makefile style from packages.git
>
>  tools/Makefile      |  2 +-
>  tools/yaml/Makefile | 41 +++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 42 insertions(+), 1 deletion(-)
>  create mode 100644 tools/yaml/Makefile
>
> diff --git a/tools/Makefile b/tools/Makefile
> index f038c90ba9..467640fac5 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -26,7 +26,7 @@ tools-y += m4 libtool autoconf autoconf-archive automake flex bison pkgconf mkli
>  tools-y += sstrip make-ext4fs e2fsprogs mtd-utils mkimage
>  tools-y += firmware-utils patch-image quilt padjffs2
>  tools-y += mm-macros missing-macros cmake bc findutils gengetopt patchelf
> -tools-y += mtools dosfstools libressl fakeroot
> +tools-y += mtools dosfstools libressl yaml
>  tools-$(CONFIG_TARGET_orion_generic) += wrt350nv2-builder upslug2
>  tools-$(CONFIG_TARGET_x86) += qemu
>  tools-$(CONFIG_TARGET_mxs) += elftosb sdimage
> diff --git a/tools/yaml/Makefile b/tools/yaml/Makefile
> new file mode 100644
> index 0000000000..7ae7aa700f
> --- /dev/null
> +++ b/tools/yaml/Makefile
> @@ -0,0 +1,41 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +#
> +# Copyright (C) 2020 Paul Spooren <mail at aparcar.org>
> +#
> +# This is free software, licensed under the GNU General Public License v2.
> +# See /LICENSE for more information.
> +#
> +
> +include $(TOPDIR)/rules.mk
> +
> +PKG_NAME:=yaml
> +PKG_VERSION:=0.2.5
> +PKG_RELEASE:=1
> +
> +PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
> +PKG_SOURCE_URL:=https://pyyaml.org/download/libyaml/
> +PKG_HASH:=c642ae9b75fee120b2d96c712538bd2cf283228d2337df2cf2988e3c02678ef4
> +
> +PKG_LICENSE:=MIT
> +PKG_LICENSE_FILES:=COPYING
> +PKG_CPE_ID:=cpe:/a:pyyaml_project:pyyaml
> +
> +HOST_BUILD_PARALLEL:=1
> +
> +include $(INCLUDE_DIR)/host-build.mk
> +
> +define Host/Install
> +	$(INSTALL_DIR) $(1)/usr/include
> +	$(CP) $(HOST_BUILD_DIR)/include/yaml.h $(STAGING_DIR_HOST)/include/
> +	$(CP) $(HOST_BUILD_DIR)/src/.libs/libyaml*.{a,so*} $(STAGING_DIR_HOST)/lib/
> +	$(CP) $(HOST_BUILD_DIR)/yaml*.pc $(STAGING_DIR_HOST)/lib/pkgconfig/
> +endef
> +
> +define Host/Clean
> +	rm -f $(STAGING_DIR_HOST)/include/yaml.h
> +	rm -f $(STAGING_DIR_HOST)/lib/libyaml*.{a,so*}
> +	rm -f $(STAGING_DIR_HOST)/lib/pkgconfig/yaml*.pc
> +	$(call Host/Clean/Default)
> +endef
> +
> +$(eval $(call HostBuild))
>

You remove fakeroot, is there a reason for that?