Re: [oe] [meta-oe][PATCH] libyang: create recipe for libyang

["Tony Tascioglu" <tony.tascioglu@windriver.com>]

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Here is the build status for this recipe.

As you can see, there are problems with targets that don't have support 
for valgrind, which is a dependency when ptests are enabled.

I'll send a v2 with a COMPATIBLE_HOST filter.

BUILDALL-QEMU LOG FOR libyang
START TIME: 2021-06-29_09:03:22
HOSTNAME: ala-lpggp3
HOST OS: Ubuntu 18.04.3 LTS
HOST KERNEL: 5.4.0-74-generic
===============
BUILD RESULTS:
[glibc]
FAIL: qemuriscv32
FAIL: qemuarmv5
PASS: qemumips
PASS: qemux86-64
PASS: qemuarm64
PASS: qemumips64
PASS: qemuarm
PASS: qemuppc
FAIL: qemuriscv64
PASS: qemuppc64
PASS: qemux86
[musl]
FAIL: qemuriscv32
FAIL: qemuarmv5
PASS: qemumips
PASS: qemux86-64
PASS: qemuarm64
PASS: qemumips64
PASS: qemuarm
PASS: qemuppc
FAIL: qemuriscv64
PASS: qemuppc64
PASS: qemux86
===============
PASSED: 16
FAILED: 6

Thanks, Tony

On 6/30/21 10:37 AM, Tony Tascioglu wrote:
> Add a new recipe, patches, and ptest coverage for libyang.
>
> The recipe follows from upstream, using the cmake build system.
>
> There were 2 small changes needed to get the package building:
>    - Remove call to pcre2-config
>    - Add missing import statement
>
> The recipe has a dependency on libpcre2, which satisfies the minimum
> requirements for libyang. In addition, for tests, cmocka is required
> during build and runtime, and valgrind is required in the runtime for
> some tests.
>
> Due to the way the library by default builds in a debug mode, release
> mode was specified. However, this disables building the built-in tests,
> so an EXTRA_OECMAKE was added based on whether or not ptests are enabled
> to specifiy the required extra flag.
>
> Binconfig-disabled is inherited since using pcre2-config directly is not
> suggested anymore. Cmocka as a dependency depends on whether ptests have
> been enabled. Since ptests are built with the main package, we need
> cmocka installed before the test are compiled if they are needed.
>
> Ptest coverage:
> The ptests come from the original tests included with the library.
> Ptests are in ctest format by default, so we compare the return code to
> print it in Yocto format. However, as each "test" target executable has
> multiple tests in it, the full stdout and stderr logs are saved for
> troubleshooting.
>
> Currently, several of the tests fail due to hardcoded paths in the
> executable binaries generated, this is an issue we will take upstream.
> For now, only the tests which work on a different target are enabled as
> the ptests. The list can be updated in the run-ptest script, which is
> portable shell compatible, without requiring bash.
>
> The recipe also has libyang-bin as a split package, which includes
> yanglint should it be needed.
> This recipe was tested using buildall-qemu as well as from within qemu
> in x86_64 and arm64.
>
> Signed-off-by: Tony Tascioglu <tony.tascioglu@windriver.com>
> ---
>   ...byang-skip-pcre2-config-add-stdint-h.patch | 55 +++++++++++++++++++
>   .../libyang/libyang/run-ptest                 | 46 ++++++++++++++++
>   .../recipes-extended/libyang/libyang_2.0.7.bb | 33 +++++++++++
>   3 files changed, 134 insertions(+)
>   create mode 100644 meta-oe/recipes-extended/libyang/libyang/libyang-skip-pcre2-config-add-stdint-h.patch
>   create mode 100644 meta-oe/recipes-extended/libyang/libyang/run-ptest
>   create mode 100644 meta-oe/recipes-extended/libyang/libyang_2.0.7.bb
>
> diff --git a/meta-oe/recipes-extended/libyang/libyang/libyang-skip-pcre2-config-add-stdint-h.patch b/meta-oe/recipes-extended/libyang/libyang/libyang-skip-pcre2-config-add-stdint-h.patch
> new file mode 100644
> index 000000000..e3b2d0e02
> --- /dev/null
> +++ b/meta-oe/recipes-extended/libyang/libyang/libyang-skip-pcre2-config-add-stdint-h.patch
> @@ -0,0 +1,55 @@
> +From c7f3e2a8fe530beec6103cb9071ccc41458879aa Mon Sep 17 00:00:00 2001
> +From: Tony Tascioglu <tony.tascioglu@windriver.com>
> +Date: Mon, 21 Jun 2021 12:34:22 -0400
> +Subject: [PATCH] libyang: fix initial build errors
> +
> +This patch addresses build errors seen when integrating libyang as a
> +recipe.
> +
> +The call to pcre2-config has been commented out. *-config calls are
> +being replaced by pkgconfig, and we want to avoid the binary config
> +calls. This call can safely be discarded since it is used to check
> +the version of libpcre2 on the system, and all recent YP builds meet
> +the minimum required version (v10.21).
> +
> +There is a missing include statement for stdint.h in utests.h which
> +causes build problems. stdint.h is required to be imported by cmocka.h
> +prior to the cmocka file. Adding the stdint allows it to build the
> +tests correctly
> +
> +Upstream-Status: Pending
> +
> +Signed-off-by: Tony Tascioglu <tony.tascioglu@windriver.com>
> +---
> + CMakeModules/FindPCRE2.cmake | 2 +-
> + tests/utests/utests.h        | 1 +
> + 2 files changed, 2 insertions(+), 1 deletion(-)
> +
> +diff --git a/CMakeModules/FindPCRE2.cmake b/CMakeModules/FindPCRE2.cmake
> +index 8f60daa2..ad014f14 100644
> +--- a/CMakeModules/FindPCRE2.cmake
> ++++ b/CMakeModules/FindPCRE2.cmake
> +@@ -12,7 +12,7 @@ FIND_PATH(PCRE2_INCLUDE_DIR pcre2.h)
> + FIND_LIBRARY(PCRE2_LIBRARY NAMES libpcre2.a pcre2-8)
> +
> + # Check required version
> +-execute_process(COMMAND pcre2-config --version OUTPUT_VARIABLE PCRE2_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
> ++# execute_process(COMMAND pcre2-config --version OUTPUT_VARIABLE PCRE2_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
> +
> + # Handle the QUIETLY and REQUIRED arguments and set PCRE_FOUND to TRUE if all listed variables are TRUE.
> + INCLUDE(FindPackageHandleStandardArgs)
> +diff --git a/tests/utests/utests.h b/tests/utests/utests.h
> +index 5bea0459..a256120c 100644
> +--- a/tests/utests/utests.h
> ++++ b/tests/utests/utests.h
> +@@ -23,6 +23,7 @@
> + #include <stddef.h>
> + #include <stdlib.h>
> +
> ++#include <stdint.h>
> + #include <cmocka.h>
> +
> + #include <string.h>
> +--
> +2.32.0
> +
> diff --git a/meta-oe/recipes-extended/libyang/libyang/run-ptest b/meta-oe/recipes-extended/libyang/libyang/run-ptest
> new file mode 100644
> index 000000000..1c9f8f47f
> --- /dev/null
> +++ b/meta-oe/recipes-extended/libyang/libyang/run-ptest
> @@ -0,0 +1,46 @@
> +#!/bin/sh
> +# Valid tests to run
> +tests="utest_binary \
> +       utest_bits \
> +       utest_common \
> +       utest_hash_table \
> +       utest_inet_types \
> +       utest_int8 \
> +       utest_json \
> +       utest_list \
> +       utest_merge \
> +       utest_metadata \
> +       utest_parser_yang \
> +       utest_parser_yin \
> +       utest_pattern \
> +       utest_printer_yang \
> +       utest_printer_yin \
> +       utest_range \
> +       utest_schema \
> +       utest_set \
> +       utest_string \
> +       utest_tree_data \
> +       utest_tree_schema_compile \
> +       utest_types \
> +       utest_xml \
> +       utest_xpath \
> +       utest_yang_types \
> +       utest_yanglib"
> +
> +# cd into right directory
> +ptestdir=$(dirname "$(readlink -f "$0")")
> +cd "$ptestdir"/tests || exit
> +
> +# Run specified tests
> +for f in $tests
> +do
> +    if test -e ./"$f"; then
> +        if ./"$f" > ./"$f".out 2> ./"$f".err; then
> +            echo "PASS: $f"
> +        else
> +            echo "FAIL: $f"
> +        fi
> +    else
> +        echo "SKIP: $f"
> +    fi
> +done
> diff --git a/meta-oe/recipes-extended/libyang/libyang_2.0.7.bb b/meta-oe/recipes-extended/libyang/libyang_2.0.7.bb
> new file mode 100644
> index 000000000..9cab6507e
> --- /dev/null
> +++ b/meta-oe/recipes-extended/libyang/libyang_2.0.7.bb
> @@ -0,0 +1,33 @@
> +SUMMARY = "YANG data modeling language library"
> +DESCRIPTION = "libyang is a YANG data modelling language parser and toolkit written (and providing API) in C."
> +HOMEPAGE = "https://github.com/CESNET/libyang"
> +SECTION = "libs"
> +LICENSE = "BSD-3-Clause"
> +
> +LIC_FILES_CHKSUM = "file://LICENSE;md5=f3916d7d8d42a6508d0ea418cfff10ad"
> +
> +SRCREV = "69d9fff65abb58beb0bb6aa9ecacd572ca1dfc56"
> +
> +SRC_URI = "git://github.com/CESNET/libyang.git \
> +           file://libyang-skip-pcre2-config-add-stdint-h.patch \
> +           file://run-ptest \
> +           "
> +
> +S = "${WORKDIR}/git"
> +
> +# Main dependencies
> +inherit cmake pkgconfig lib_package binconfig-disabled ptest
> +DEPENDS = "libpcre2"
> +DEPENDS += "${@bb.utils.contains('PTEST_ENABLED', '1', 'cmocka', '', d)}"
> +BINCONFIG = "${bindir}/pcre2-config"
> +
> +# Ptest dependencies
> +RDEPENDS_${PN}-ptest += "valgrind"
> +
> +EXTRA_OECMAKE = "-DCMAKE_BUILD_TYPE=Release"
> +EXTRA_OECMAKE += " ${@bb.utils.contains('PTEST_ENABLED', '1', '-DENABLE_BUILD_TESTS=ON', '', d)}"
> +
> +do_install_ptest () {
> +    cp -a ${B}/tests/ ${D}${PTEST_PATH}/
> +}
> +
>
> 
>

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