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Date:      Fri, 14 Oct 2022 20:58:33 +0200
From:      Piotr Kubaj <pkubaj@anongoth.pl>
To:        Adam Weinberger <adamw@freebsd.org>
Cc:        ports-committers@freebsd.org, dev-commits-ports-all@freebsd.org, dev-commits-ports-main@freebsd.org
Subject:   Re: git: 9d241a90370c - main - Mk: Add USES=luajit
Message-ID:  <Y0mxWT01SkaxD3n/@KGPE-D16>
In-Reply-To: <202210141707.29EH7i08013647@gitrepo.freebsd.org>
References:  <202210141707.29EH7i08013647@gitrepo.freebsd.org>

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On 22-10-14 17:07:44, Adam Weinberger wrote:
>The branch main has been updated by adamw:
>
>URL: https://cgit.FreeBSD.org/ports/commit/?id=9d241a90370c9410d997be37db5e3a5657bdb4ca
>
>commit 9d241a90370c9410d997be37db5e3a5657bdb4ca
>Author:     Adam Weinberger <adamw@FreeBSD.org>
>AuthorDate: 2022-10-14 16:50:39 +0000
>Commit:     Adam Weinberger <adamw@FreeBSD.org>
>CommitDate: 2022-10-14 17:07:39 +0000
>
>    Mk: Add USES=luajit
>
>    USES=luajit centralizes luajit dependencies via bsd.default-versions.mk
>    (defaulting to luajit-devel).
>
>    Ports currently depend on:
>      lang/luajit: 42
>      lang/luajit-devel: 0
>      lang/luajit-openresty: 51
>
>    The difficulty here is that:
>      - They all conflict with each other
>      - Upstream is very clear about not intending for users to use the
>        version in lang/luajit at all, and wants all luajit users to use
>        lang/luajit-devel
>      - luajit-openresty is very aggressive about being drop-in compatible
>        with luajit-devel (though not the other direction)
>
>    For the vast majority of situations, USES=luajit will be sufficient.
>    Ports that use openresty's API additions can specify
>    USES=luajit:openresty.
>
>    I'm adding this into head very early in the 2022Q4 cycle so that there's
>    ample time to address the default. It's a difficult decision. osa, the
>    maintainer of luajit and luajit-devel, prefers that the default be
>    luajit, but I went the other direction because it's in direct conflict
>    with upstream's clear stated intention. It's not a simple decision; see
>    the review below for a little discussion on it.
>
>    The TL;DR here is that this defaults to the one luajit version that no
>    port currently depends on. However, this version is what OpenBSD,
>    Homebrew, Ubuntu, Debian, Fedora, MacPorts, and Arch default to (and
>    none of them even provide the stale version lang/luajit provides).
>    This will bring FreeBSD in line with nearly every other OS package
>    system, and with upstream's intention.
>
>    See also PRs 225342, 257051.
>
>    Reviewed by:    bapt, tcberner
>    Approved by:    portmgr (bapt, tcberner)
>    Differential Revision:  https://reviews.freebsd.org/D36947
>---
> Mk/Uses/luajit.mk          | 27 +++++++++++++++++++++++++++
> Mk/bsd.default-versions.mk |  9 ++++++---
> 2 files changed, 33 insertions(+), 3 deletions(-)
>
>diff --git a/Mk/Uses/luajit.mk b/Mk/Uses/luajit.mk
>new file mode 100644
>index 000000000000..75e54407d484
>--- /dev/null
>+++ b/Mk/Uses/luajit.mk
>@@ -0,0 +1,27 @@
>+# Select your favorite luajit runtime
>+# Feature:    luajit
>+# Usage:      USES=  luajit[:version]
>+# MAINTAINER: adamw@FreeBSD.org
>+
>+.if !defined(_INCLUDE_USES_LUAJIT_MK)
>+_INCLUDE_USES_LUAJIT_MK=yes
>+
>+.if !empty(luajit_ARGS)
>+LUAJIT_VER=	${luajit_ARGS}
>+.else
>+LUAJIT_VER=	${LUAJIT_DEFAULT}
>+.endif
>+
>+# When adding a version, please keep the comment in
>+# Mk/bsd.default-versions.mk in sync
>+VALID_LUAJIT_VER=	luajit luajit-devel luajit-openresty
>+
>+.if empty(VALID_LUAJIT_VER:M${LUAJIT_DEFAULT})
>+IGNORE=	Invalid luajit default version ${LUAJIT_DEFAULT}: valid versions are ${VALID_LUAJIT_VER}
>+.elif empty(VALID_LUAJIT_VER:M${LUAJIT_VER})
>+IGNORE=	Invalid luajit version ${LUAJIT_VER}: valid versions are ${VALID_LUAJIT_VER}
>+.endif
>+
>+LIB_DEPENDS=	libluajit-5.1.so:lang/${LUAJIT_VER}
>+
>+.endif
>diff --git a/Mk/bsd.default-versions.mk b/Mk/bsd.default-versions.mk
>index bbf3d5880c70..5a36e0b9c4d0 100644
>--- a/Mk/bsd.default-versions.mk
>+++ b/Mk/bsd.default-versions.mk
>@@ -17,9 +17,10 @@ _INCLUDE_BSD_DEFAULT_VERSIONS_MK=	yes
>
> LOCALBASE?=	/usr/local
>
>-.  for lang in APACHE BDB COROSYNC EMACS FIREBIRD FORTRAN FPC GCC GHOSTSCRIPT GL GO \
>-	IMAGEMAGICK JAVA LAZARUS LIBRSVG2 LINUX LLVM LUA MONO MYSQL NINJA NODEJS PERL5 \
>-	PGSQL PHP PYTHON PYTHON2 PYTHON3 RUBY RUST SAMBA SSL TCLTK VARNISH
>+.  for lang in APACHE BDB COROSYNC EMACS FIREBIRD FORTRAN FPC GCC \
>+	GHOSTSCRIPT GL GO IMAGEMAGICK JAVA LAZARUS LIBRSVG2 LINUX LLVM \
>+	LUA LUAJIT MONO MYSQL NINJA NODEJS PERL5 PGSQL PHP PYTHON \
>+	PYTHON2 PYTHON3 RUBY RUST SAMBA SSL TCLTK VARNISH
> .    if defined(${lang}_DEFAULT)
> ERROR+=	"The variable ${lang}_DEFAULT is set and it should only be defined through DEFAULT_VERSIONS+=${lang:tl}=${${lang}_DEFAULT} in /etc/make.conf"
> .    endif
>@@ -86,6 +87,8 @@ LLVM_DEFAULT?=		90
> .  endif
> # Possible values: 5.1, 5.2, 5.3, 5.4
> LUA_DEFAULT?=		5.2
>+# Possible values: luajit, luajit-devel, luajit-openresty
>+LUAJIT_DEFAULT?=	luajit-devel
> # Possible values: 5.10, 5.20, 6.8
> MONO_DEFAULT=		5.10
> # Possible values: 5.6, 5.7, 8.0, 10.3m, 10.4m, 10.5m, 5.7p, 5.7w

Could you make USES=luajit default to openresty on powerpc64 and
powerpc64le? lang/luajit and lang/luajit-devel don't support those, but
openresty fork does.

I believe aarch64 is in similar situation, except that it's also
supported by luajit-devel.

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