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[PATCH] meson.build: Make keyutils independent from keyring

Thomas Huth posted 1 patch 8 months, 1 week ago
Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/qemu tags/patchew/20230824094208.255279-1-thuth@redhat.com
Maintainers: Paolo Bonzini <pbonzini@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Thomas Huth <thuth@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>
meson.build                   | 6 ++++--
meson_options.txt             | 2 ++
scripts/meson-buildoptions.sh | 3 +++
3 files changed, 9 insertions(+), 2 deletions(-)
[PATCH] meson.build: Make keyutils independent from keyring
Posted by Thomas Huth 8 months, 1 week ago 
Commit 0db0fbb5cf ("Add conditional dependency for libkeyutils")
tried to provide a possibility for the user to disable keyutils
if not required by makeing it depend on the keyring feature. This
looked reasonable at a first glance (the unit test in tests/unit/
needs both), but the condition in meson.build fails if the feature
is meant to be detected automatically, and there is also another
spot in backends/meson.build where keyutils is used independently
from keyring. So let's remove the dependency on keyring again and
introduce a proper meson build option instead.

Cc: qemu-stable@nongnu.org
Fixes: 0db0fbb5cf ("Add conditional dependency for libkeyutils")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1842
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 meson.build                   | 6 ++++--
 meson_options.txt             | 2 ++
 scripts/meson-buildoptions.sh | 3 +++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/meson.build b/meson.build
index 98e68ef0b1..5756148576 100644
--- a/meson.build
+++ b/meson.build
@@ -1771,8 +1771,9 @@ if gnutls.found()
                      method: 'pkg-config')
 endif
 keyutils = not_found
-if get_option('keyring').enabled()
-  keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
+if not get_option('libkeyutils').auto() or have_block
+  keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
+                        method: 'pkg-config')
 endif
 
 has_gettid = cc.has_function('gettid')
@@ -4211,6 +4212,7 @@ endif
 summary_info += {'AF_ALG support':    have_afalg}
 summary_info += {'rng-none':          get_option('rng_none')}
 summary_info += {'Linux keyring':     have_keyring}
+summary_info += {'Linux keyutils':    keyutils}
 summary(summary_info, bool_yn: true, section: 'Crypto')
 
 # UI
diff --git a/meson_options.txt b/meson_options.txt
index aaea5ddd77..ae6d8f469d 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -119,6 +119,8 @@ option('avx512bw', type: 'feature', value: 'auto',
        description: 'AVX512BW optimizations')
 option('keyring', type: 'feature', value: 'auto',
        description: 'Linux keyring support')
+option('libkeyutils', type: 'feature', value: 'auto',
+       description: 'Linux keyutils support')
 
 option('attr', type : 'feature', value : 'auto',
        description: 'attr/xattr support')
diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
index 9da3fe299b..d7020af175 100644
--- a/scripts/meson-buildoptions.sh
+++ b/scripts/meson-buildoptions.sh
@@ -120,6 +120,7 @@ meson_options_help() {
   printf "%s\n" '  libdaxctl       libdaxctl support'
   printf "%s\n" '  libdw           debuginfo support'
   printf "%s\n" '  libiscsi        libiscsi userspace initiator'
+  printf "%s\n" '  libkeyutils     Linux keyutils support'
   printf "%s\n" '  libnfs          libnfs block device driver'
   printf "%s\n" '  libpmem         libpmem support'
   printf "%s\n" '  libssh          ssh block device support'
@@ -341,6 +342,8 @@ _meson_option_parse() {
     --libexecdir=*) quote_sh "-Dlibexecdir=$2" ;;
     --enable-libiscsi) printf "%s" -Dlibiscsi=enabled ;;
     --disable-libiscsi) printf "%s" -Dlibiscsi=disabled ;;
+    --enable-libkeyutils) printf "%s" -Dlibkeyutils=enabled ;;
+    --disable-libkeyutils) printf "%s" -Dlibkeyutils=disabled ;;
     --enable-libnfs) printf "%s" -Dlibnfs=enabled ;;
     --disable-libnfs) printf "%s" -Dlibnfs=disabled ;;
     --enable-libpmem) printf "%s" -Dlibpmem=enabled ;;
-- 
2.39.3
Re: [PATCH] meson.build: Make keyutils independent from keyring
Posted by Daniel P. Berrangé 7 months, 3 weeks ago 
On Thu, Aug 24, 2023 at 11:42:08AM +0200, Thomas Huth wrote:
> Commit 0db0fbb5cf ("Add conditional dependency for libkeyutils")
> tried to provide a possibility for the user to disable keyutils
> if not required by makeing it depend on the keyring feature. This
> looked reasonable at a first glance (the unit test in tests/unit/
> needs both), but the condition in meson.build fails if the feature
> is meant to be detected automatically, and there is also another
> spot in backends/meson.build where keyutils is used independently
> from keyring. So let's remove the dependency on keyring again and
> introduce a proper meson build option instead.
> 
> Cc: qemu-stable@nongnu.org
> Fixes: 0db0fbb5cf ("Add conditional dependency for libkeyutils")
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1842
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  meson.build                   | 6 ++++--
>  meson_options.txt             | 2 ++
>  scripts/meson-buildoptions.sh | 3 +++
>  3 files changed, 9 insertions(+), 2 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


With regards,
Daniel
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Re: [PATCH] meson.build: Make keyutils independent from keyring
Posted by Michael Tokarev 7 months, 3 weeks ago 
24.08.2023 12:42, Thomas Huth wrote:
> Commit 0db0fbb5cf ("Add conditional dependency for libkeyutils")
> tried to provide a possibility for the user to disable keyutils
> if not required by makeing it depend on the keyring feature. This
> looked reasonable at a first glance (the unit test in tests/unit/
> needs both), but the condition in meson.build fails if the feature
> is meant to be detected automatically, and there is also another
> spot in backends/meson.build where keyutils is used independently
> from keyring. So let's remove the dependency on keyring again and
> introduce a proper meson build option instead.
> 
> Cc: qemu-stable@nongnu.org
> Fixes: 0db0fbb5cf ("Add conditional dependency for libkeyutils")
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1842
> Signed-off-by: Thomas Huth <thuth@redhat.com>

Ping? Has this been forgotten?

Thanks,

/mjt
Re: [PATCH] meson.build: Make keyutils independent from keyring
Posted by Thomas Huth 7 months, 1 week ago 
On 07/09/2023 21.57, Michael Tokarev wrote:
> 24.08.2023 12:42, Thomas Huth wrote:
>> Commit 0db0fbb5cf ("Add conditional dependency for libkeyutils")
>> tried to provide a possibility for the user to disable keyutils
>> if not required by makeing it depend on the keyring feature. This
>> looked reasonable at a first glance (the unit test in tests/unit/
>> needs both), but the condition in meson.build fails if the feature
>> is meant to be detected automatically, and there is also another
>> spot in backends/meson.build where keyutils is used independently
>> from keyring. So let's remove the dependency on keyring again and
>> introduce a proper meson build option instead.
>>
>> Cc: qemu-stable@nongnu.org
>> Fixes: 0db0fbb5cf ("Add conditional dependency for libkeyutils")
>> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1842
>> Signed-off-by: Thomas Huth <thuth@redhat.com>
> 
> Ping? Has this been forgotten?

I'll add it to my next pull request.

  Thomas

Patchew 2.1-devel-0870f84

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