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xen-tools: fix python 3.12 build errors

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Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
This commit is contained in:
Alexander Kanavin 2023-11-28 18:50:03 +01:00 committed by Bruce Ashfield
parent 1db447e785
commit edc85da6e4
2 changed files with 47 additions and 5 deletions
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42
recipes-extended/xen/files/0001-Config.mk-drop-Wdeclaration-after-statement.patch Normal file
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@ -0,0 +1,42 @@
From 70e8b986fe78f5fbd1dfdef4f02ea9b50c7158db Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex@linutronix.de>
Date: Tue, 28 Nov 2023 18:34:17 +0100
Subject: [PATCH] Config.mk: drop -Wdeclaration-after-statement
Such constructs are fully allowed by C99:
https://gcc.gnu.org/onlinedocs/gcc-12.2.0/gcc/Mixed-Labels-and-Declarations.html#Mixed-Labels-and-Declarations
If the flag is present, then building against python 3.12 will fail thusly:
| In file included from /srv/storage/alex/yocto/build-virt/tmp/work/core2-64-poky-linux/xen-tools/4.17+stable/recipe-sysroot/usr/include/python3.12/Python.h:44,
| from xen/lowlevel/xc/xc.c:8:
| /srv/storage/alex/yocto/build-virt/tmp/work/core2-64-poky-linux/xen-tools/4.17+stable/recipe-sysroot/usr/include/python3.12/object.h: In function 'Py_SIZE':
| /srv/storage/alex/yocto/build-virt/tmp/work/core2-64-poky-linux/xen-tools/4.17+stable/recipe-sysroot/usr/include/python3.12/object.h:233:5: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
| 233 | PyVarObject *var_ob = _PyVarObject_CAST(ob);
| | ^~~~~~~~~~~
| In file included from /srv/storage/alex/yocto/build-virt/tmp/work/core2-64-poky-linux/xen-tools/4.17+stable/recipe-sysroot/usr/include/python3.12/Python.h:53:
| /srv/storage/alex/yocto/build-virt/tmp/work/core2-64-poky-linux/xen-tools/4.17+stable/recipe-sysroot/usr/include/python3.12/cpython/longintrepr.h: In function '_PyLong_CompactValue':
| /srv/storage/alex/yocto/build-virt/tmp/work/core2-64-poky-linux/xen-tools/4.17+stable/recipe-sysroot/usr/include/python3.12/cpython/longintrepr.h:121:5: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
| 121 | Py_ssize_t sign = 1 - (op->long_value.lv_tag & _PyLong_SIGN_MASK);
| | ^~~~~~~~~~
| cc1: all warnings being treated as errors
Upstream-Status: Submitted [by email to xen-devel@lists.xenproject.org and maintainers printed by get_maintainer.pl]
Signed-off-by: Alexander Kanavin <alex@linutronix.de>
---
Config.mk | 2 --
1 file changed, 2 deletions(-)
diff --git a/Config.mk b/Config.mk
index 8bc2bcd5f6..09d5e8ebde 100644
--- a/Config.mk
+++ b/Config.mk
@@ -173,8 +173,6 @@ CFLAGS += -std=gnu99
CFLAGS += -Wall -Wstrict-prototypes
-$(call cc-option-add,HOSTCFLAGS,HOSTCC,-Wdeclaration-after-statement)
-$(call cc-option-add,CFLAGS,CC,-Wdeclaration-after-statement)
$(call cc-option-add,CFLAGS,CC,-Wno-unused-but-set-variable)
$(call cc-option-add,CFLAGS,CC,-Wno-unused-local-typedefs)

4
recipes-extended/xen/xen-tools_4.17.bb
View File

@ -4,10 +4,10 @@ SRCREV ?= "322a20add00a4687cd46d9183616fa6fecbef81f"
XEN_REL ?= "4.17"
XEN_BRANCH ?= "stable-${XEN_REL}"
SRC_URI = " \
git://xenbits.xen.org/xen.git;branch=${XEN_BRANCH} \
SRC_URI = "git://xenbits.xen.org/xen.git;branch=${XEN_BRANCH} \
file://0001-python-pygrub-pass-DISTUTILS-xen-4.15.patch \
file://0001-tools-xenstore-xenstored_control.c-correctly-print-t.patch \
file://0001-Config.mk-drop-Wdeclaration-after-statement.patch \
"
LIC_FILES_CHKSUM ?= "file://COPYING;md5=d1a1e216f80b6d8da95fec897d0dbec9"