Re: [OE-core] [PATCH v4] gawk: disable persistent memory allocator due to licensing

[Gyorgy Sarvari <skandigraun@gmail.com>]

On 10/7/25 21:09, Randy MacLeod via lists.openembedded.org wrote:
> From: Randy MacLeod <Randy.MacLeod@windriver.com>
>
> In gawk-5.2, a feature that allows gawk to preserve memory between runs:
>    https://www.gnu.org/software/gawk/manual/html_node/Persistent-Memory.html
> was added. The files that implement this, support/pma.[ch], are licensed
> under the AGPL3 which some entities perfer to avoid. Force people to knowingly
> opt into using this feature and license using:
>    PACKAGECONFIG:append:pn-gawk = " pma-if-64bit"
> where pma is an abbreviation for persistent memory allocator and the
> "-if-64bit" suffix is a indicator to users that the feature only works
> for 64 bit targets. Also add AGPL to LICENSE and LICENSE:${PN}, when using pma.
>
> Correct the license to be AGPL-3.0-or-later. There hasn't been a change in
> the license terms, at least for main.c, haven't changed significantly in
> the last 15 years:
>
> License-Update: Reflects conditional AGPL use and more as described above.
>
> Testing requires a non-root account and following the example in the link above:
>   $ truncate -s <size> data.pma
>   $ chmod 0600 data.pma
>   $ GAWK_PERSIST_FILE=data.pma gawk 'BEGIN { print ++i }'
>   1
>   $ GAWK_PERSIST_FILE=data.pma gawk 'BEGIN { print ++i }'
>   2
>   $ GAWK_PERSIST_FILE=data.pma gawk 'BEGIN { print ++i }'
>   3
>
> This works on qemu[x86-|arm|riscv]64 but not on qemu[arm|x86] where the
> --enable-pma is ignored because there is a requirement and build-time test
> for 8 byte void pointers in m4/pma.m4:
>   if test "$SKIP_PERSIST_MALLOC" = no && test $ac_cv_sizeof_void_p -eq 8
>
> Finally, remove an old comment about GPLv2, GPLv3 versions of gawk
> since this is no longer important as the GPLv2 version is not maintained.
>
> Signed-off-by: Randy MacLeod <Randy.MacLeod@windriver.com>
> ---
>  meta/recipes-extended/gawk/gawk_5.3.2.bb | 15 +++++++++++----
>  1 file changed, 11 insertions(+), 4 deletions(-)
>
> diff --git a/meta/recipes-extended/gawk/gawk_5.3.2.bb b/meta/recipes-extended/gawk/gawk_5.3.2.bb
> index 833fe78bf9..ffaef93e8a 100644
> --- a/meta/recipes-extended/gawk/gawk_5.3.2.bb
> +++ b/meta/recipes-extended/gawk/gawk_5.3.2.bb
> @@ -6,14 +6,21 @@ HOMEPAGE = "https://www.gnu.org/software/gawk/"
>  BUGTRACKER  = "bug-gawk@gnu.org"
>  SECTION = "console/utils"
>  
> -# gawk <= 3.1.5: GPL-2.0-only
> -# gawk >= 3.1.6: GPL-3.0-only
> -LICENSE = "GPL-3.0-only"
> -LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
> +LICENSE = "GPL-3.0-or-later & AGPL-3.0-or-later"
> +LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504 \
> +                    file://support/pma.c;md5=bb0026ee5e8b950e67d670dd2d60cc93;beginline=8;endline=19 \
> +                    file://support/pma.h;md5=bb0026ee5e8b950e67d670dd2d60cc93;beginline=8;endline=19"
> +
> +LICENSE:${PN} = "GPL-3.0-or-later"
> +LICENSE${PN}:append = " ${@bb.utils.contains('PACKAGECONFIG', 'pma-if-64bit', ' & AGPL-3.0-or-later', '', d)}"

Typo: missing colon between LICENSE and ${PN}

>  
>  PACKAGECONFIG ??= "readline mpfr"
>  PACKAGECONFIG[readline] = "--with-readline,--without-readline,readline"
>  PACKAGECONFIG[mpfr] = "--with-mpfr,--without-mpfr, mpfr"
> +# pma: persistent memory allocator:
> +# Disabled by default due to AGPL license.
> +# Note that PMA works only for 64-bit targets and is automatically disabled at configure time otherwise.
> +PACKAGECONFIG[pma-if-64bit] = "--enable-pma,--disable-pma, "
>  
>  SRC_URI = "${GNU_MIRROR}/gawk/gawk-${PV}.tar.gz \
>             file://run-ptest \
>
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