lxcfs: update to 5.0.4 and convert to meson

This is a large update to lxcfs, that includes a move to meson as the
build backend.

We drop a couple of uneeded patches, and add a new meson specific one
as the detection of pid_* functions is failing.

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>

recipes-containers/lxcfs/files/systemd-allow-for-distinct-build-directory.patch

@@ -1,49 +0,0 @@
-From 66a71fbf94020651880f1dbb6e4663d93391b47c Mon Sep 17 00:00:00 2001
-From: Mark Asselstine <mark.asselstine@windriver.com>
-Date: Mon, 10 Sep 2018 13:14:07 -0400
-Subject: [PATCH] systemd: allow for distinct build directory
-
-The Makefile.am is currently written in a way that doesn't allow for a
-distinct build directory. As such we get the error:
-
-    install: cannot stat 'lxcfs.service': No such file or directory
-
-Make use of $(srcdir) to correct this.
-
-Upstream-Status: Inappropriate [embedded specific]
-
-Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
----
- config/init/systemd/Makefile.am | 2 +-
- config/init/systemd/Makefile.in | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/config/init/systemd/Makefile.am b/config/init/systemd/Makefile.am
-index 79e96f5..d6933f9 100644
---- a/config/init/systemd/Makefile.am
-+++ b/config/init/systemd/Makefile.am
-@@ -5,7 +5,7 @@ SYSTEMD_UNIT_DIR = /lib/systemd/system
- 
- install-systemd: lxcfs.service
- 	$(MKDIR_P) $(DESTDIR)$(SYSTEMD_UNIT_DIR)
--	$(INSTALL_DATA) lxcfs.service $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
-+	$(INSTALL_DATA) $(srcdir)/lxcfs.service $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
- 
- uninstall-systemd:
- 	rm -f $(DESTDIR)$(SYSTEMD_UNIT_DIR)/lxcfs.service
-diff --git a/config/init/systemd/Makefile.in b/config/init/systemd/Makefile.in
-index d433e8a..430190c 100644
---- a/config/init/systemd/Makefile.in
-+++ b/config/init/systemd/Makefile.in
-@@ -450,7 +450,7 @@ uninstall-am: uninstall-local
- 
- @INIT_SCRIPT_SYSTEMD_TRUE@install-systemd: lxcfs.service
- @INIT_SCRIPT_SYSTEMD_TRUE@	$(MKDIR_P) $(DESTDIR)$(SYSTEMD_UNIT_DIR)
--@INIT_SCRIPT_SYSTEMD_TRUE@	$(INSTALL_DATA) lxcfs.service $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
-+@INIT_SCRIPT_SYSTEMD_TRUE@	$(INSTALL_DATA) $(srcdir)/lxcfs.service $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
- 
- @INIT_SCRIPT_SYSTEMD_TRUE@uninstall-systemd:
- @INIT_SCRIPT_SYSTEMD_TRUE@	rm -f $(DESTDIR)$(SYSTEMD_UNIT_DIR)/lxcfs.service
--- 
-2.7.4
-

recipes-containers/lxcfs/files/systemd-ensure-var-lib-lxcfs-exists.patch

@@ -1,26 +0,0 @@
-From 89bf4b64e810e174068e7861490e6d6ab2d14854 Mon Sep 17 00:00:00 2001
-From: Mark Asselstine <mark.asselstine@windriver.com>
-Date: Mon, 10 Sep 2018 15:01:54 -0400
-Subject: [PATCH] systemd: ensure /var/lib/lxcfs exists
-
-If the directory doesn't exist the service will fail to start.
-
-Upstream-Status: Inappropriate [embedded specific]
-
-Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
----
- config/init/systemd/lxcfs.service | 1 +
- 1 file changed, 1 insertion(+)
-
-Index: lxcfs-4.0.7/config/init/systemd/lxcfs.service
-===================================================================
---- lxcfs-4.0.7.orig/config/init/systemd/lxcfs.service
-+++ lxcfs-4.0.7/config/init/systemd/lxcfs.service
-@@ -5,6 +5,7 @@
- Documentation=man:lxcfs(1)
- 
- [Service]
-+ExecStartPre=-/bin/mkdir /var/lib/lxcfs
- ExecStart=/usr/bin/lxcfs /usr/local/var/lib/lxcfs
- KillMode=process
- Restart=on-failure

recipes-containers/lxcfs/lxcfs/0001-meson.build-force-pid-open-send_signal-detection.patch

@@ -0,0 +1,38 @@
+From 65fcb73cdef34609f28461424672551a6e65327e Mon Sep 17 00:00:00 2001
+From: Bruce Ashfield <bruce.ashfield@gmail.com>
+Date: Thu, 3 Aug 2023 15:01:42 +0000
+Subject: [PATCH] meson.build: force pid open/send_signal detection
+
+meson is not correctly detecting that our cross build environment
+has the pid* definitions, which leads to compile errors when internal
+definitions conflict:
+
+   lxcfs-5.0.4/src/utils.h:45:19: error: static declaration of 'pidfd_open' follows non-static declaration
+
+We could possibly generate a meson.cross file, and specify it via
+--cross-file, but we can just force the detection to 'true' as we
+don't have to support configurations without the functionality.
+
+Upstream-Status: Inappropriate [OE-Specific]
+
+Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
+---
+ meson.build | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/meson.build b/meson.build
+index a0289ad..9480c30 100644
+--- a/meson.build
++++ b/meson.build
+@@ -143,6 +143,8 @@ foreach ident: [
+ ]
+     have = cc.has_function(ident[0], prefix: ident[1], args: '-D_GNU_SOURCE')
+     conf.set10('HAVE_' + ident[0].to_upper(), have)
++    conf.set10('HAVE_PIDFD_OPEN', true)
++    conf.set10('HAVE_PIDFD_SEND_SIGNAL', true)
+ endforeach
+ 
+ fuse_version = get_option('fuse-version')
+-- 
+2.39.2
+

recipes-containers/lxcfs/lxcfs_5.0.4.bb

@@ -1,26 +1,25 @@
 SUMMARY = "LXCFS is a userspace filesystem created to avoid kernel limitations"
 LICENSE = "LGPL-2.1-or-later"
 
-inherit autotools pkgconfig systemd
+inherit meson pkgconfig systemd
 
 SRC_URI = " \
     https://linuxcontainers.org/downloads/lxcfs/lxcfs-${PV}.tar.gz \
-    file://systemd-allow-for-distinct-build-directory.patch \
-    file://systemd-ensure-var-lib-lxcfs-exists.patch \
     file://0001-bindings-fix-build-with-newer-linux-libc-headers.patch \
+    file://0001-meson.build-force-pid-open-send_signal-detection.patch \
 "
 
 LIC_FILES_CHKSUM = "file://COPYING;md5=29ae50a788f33f663405488bc61eecb1"
-SRC_URI[md5sum] = "9d963976207fb0ca4701428ae0587aeb"
+SRC_URI[md5sum] = "00a6632e094d0a2f2308c8365ac91912"
-SRC_URI[sha256sum] = "3f28e2f4b04c0090aaf88b72666505f0313768a5254dd48a14c43cf78c543ec8"
+SRC_URI[sha256sum] = "c2b361edc881d5ca8fa2cd3260a4999b8f87afce8d937be2160e5cf0b482c52f"
 
-DEPENDS += "fuse"
+DEPENDS += "fuse python3-jinja2-native help2man-native systemd"
 RDEPENDS:${PN} += "fuse"
 
 FILES:${PN} += "${datadir}/lxc/config/common.conf.d/*"
 
-CACHED_CONFIGUREVARS += "ac_cv_path_HELP2MAN='false // No help2man //'"
+# help2man doesn't work, so we disable docs
-EXTRA_OECONF += "--with-distro=unknown --with-init-script=${VIRTUAL-RUNTIME_init_manager}"
+EXTRA_OEMESON += "-Dinit-script=${VIRTUAL-RUNTIME_init_manager} -Ddocs=false"
 
 SYSTEMD_PACKAGES = "${PN}"
 SYSTEMD_SERVICE:${PN} = "lxcfs.service"