63 lines
2.0 KiB
Diff
63 lines
2.0 KiB
Diff
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From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
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Date: Tue, 4 Oct 2022 10:32:05 +0100
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Subject: meson: enforce a minimum Linux kernel headers version >= 4.18
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Git-commit: 0000000000000000000000000000000000000000
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Refereces: bsc#1204001
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Various areas of QEMU have a dependency on Linux kernel header
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definitions. This falls under the scope of our supported platforms
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matrix, but historically we've not checked for a minimum kernel
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headers version. This has made it unclear when we can drop support
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for older kernel headers.
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* Alpine 3.14: 5.10
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* CentOS 8: 4.18
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* CentOS 9: 5.14
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* Debian 10: 4.19
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* Debian 11: 5.10
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* Fedora 35: 5.19
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* Fedora 36: 5.19
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* OpenSUSE 15.3: 5.3.0
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* Ubuntu 20.04: 5.4
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* Ubuntu 22.04: 5.15
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The above ignores the 3rd version digit since distros update their
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packages periodically and such updates don't generally affect public
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APIs to the extent that it matters for our build time check.
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Overall, we can set the baseline to 4.18 currently.
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Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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Signed-off-by: Dario Faggioli <dfaggioli@suse.com>
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---
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meson.build | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/meson.build b/meson.build
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index 09145d35aa3e684e92da7895ac67..a923eedefd56bc1401a111d6d8f7 100644
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--- a/meson.build
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+++ b/meson.build
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@@ -248,6 +248,18 @@ if targetos == 'linux'
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add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
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'-isystem', 'linux-headers',
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language: ['c', 'cpp'])
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+
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+ if not cc.compiles('''
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+ #include <linux/version.h>
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+ int main(void) {
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
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+#error "QEMU requires Linux kernel headers version >= 4.18.0"
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+#endif
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+ return 0;
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+ }''')
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+ error('QEMU requires Linux kernel headers version >= 4.18.0')
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+endif
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+
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endif
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add_project_arguments('-iquote', '.',
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