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Re: [PATCH v1 03/15] meson: move libmpathpersist test
From: |
Alex Bennée |
Subject: |
Re: [PATCH v1 03/15] meson: move libmpathpersist test |
Date: |
Fri, 25 Sep 2020 20:33:55 +0100 |
User-agent: |
mu4e 1.5.5; emacs 28.0.50 |
Paolo Bonzini <pbonzini@redhat.com> writes:
> On 25/09/20 17:40, Alex Bennée wrote:
>> From: Paolo Bonzini <pbonzini@redhat.com>
>>
>> This is the first compiler/linker test that has been moved to Meson.
>> Add more section headings to keep things clearer.
>>
>> [thuth: Add check for mpathpersist.found() before showing
>> mpathpersist_new_api]
>>
>> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>> Signed-off-by: Thomas Huth <thuth@redhat.com>
>> Message-Id: <20200918103430.297167-3-thuth@redhat.com>
>> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
>> ---
>> configure | 77 +++-----------------------------------------
>> meson.build | 82 ++++++++++++++++++++++++++++++++++++++++++-----
>> meson_options.txt | 2 ++
>> 3 files changed, 80 insertions(+), 81 deletions(-)
>>
>> diff --git a/configure b/configure
>> index 48bf437021f6..b81868cf0231 100755
>> --- a/configure
>> +++ b/configure
>> @@ -403,7 +403,7 @@ netmap="no"
>> sdl="auto"
>> sdl_image="auto"
>> virtfs=""
>> -mpath=""
>> +mpath="auto"
>> vnc="enabled"
>> sparse="no"
>> vde=""
>> @@ -1116,9 +1116,9 @@ for opt do
>> ;;
>> --enable-virtfs) virtfs="yes"
>> ;;
>> - --disable-mpath) mpath="no"
>> + --disable-mpath) mpath="disabled"
>> ;;
>> - --enable-mpath) mpath="yes"
>> + --enable-mpath) mpath="enabled"
>> ;;
>> --disable-vnc) vnc="disabled"
>> ;;
>> @@ -3848,57 +3848,6 @@ if test "$modules" = yes; then
>> fi
>> fi
>>
>> -##########################################
>> -# libmpathpersist probe
>> -
>> -if test "$mpath" != "no" ; then
>> - # probe for the new API
>> - cat > $TMPC <<EOF
>> -#include <libudev.h>
>> -#include <mpath_persist.h>
>> -unsigned mpath_mx_alloc_len = 1024;
>> -int logsink;
>> -static struct config *multipath_conf;
>> -extern struct udev *udev;
>> -extern struct config *get_multipath_config(void);
>> -extern void put_multipath_config(struct config *conf);
>> -struct udev *udev;
>> -struct config *get_multipath_config(void) { return multipath_conf; }
>> -void put_multipath_config(struct config *conf) { }
>> -
>> -int main(void) {
>> - udev = udev_new();
>> - multipath_conf = mpath_lib_init();
>> - return 0;
>> -}
>> -EOF
>> - if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
>> - mpathpersist=yes
>> - mpathpersist_new_api=yes
>> - else
>> - # probe for the old API
>> - cat > $TMPC <<EOF
>> -#include <libudev.h>
>> -#include <mpath_persist.h>
>> -unsigned mpath_mx_alloc_len = 1024;
>> -int logsink;
>> -int main(void) {
>> - struct udev *udev = udev_new();
>> - mpath_lib_init(udev);
>> - return 0;
>> -}
>> -EOF
>> - if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
>> - mpathpersist=yes
>> - mpathpersist_new_api=no
>> - else
>> - mpathpersist=no
>> - fi
>> - fi
>> -else
>> - mpathpersist=no
>> -fi
>> -
>> ##########################################
>> # pthread probe
>> PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
>> @@ -6340,23 +6289,11 @@ if test "$softmmu" = yes ; then
>> fi
>> virtfs=no
>> fi
>> - if test "$mpath" != no && test "$mpathpersist" = yes ; then
>> - mpath=yes
>> - else
>> - if test "$mpath" = yes; then
>> - error_exit "Multipath requires libmpathpersist devel"
>> - fi
>> - mpath=no
>> - fi
>> else
>> if test "$virtfs" = yes; then
>> error_exit "VirtFS is supported only on Linux"
>> fi
>> virtfs=no
>> - if test "$mpath" = yes; then
>> - error_exit "Multipath is supported only on Linux"
>> - fi
>> - mpath=no
>> fi
>> fi
>>
>> @@ -6897,12 +6834,6 @@ fi
>> if test "$virtfs" = "yes" ; then
>> echo "CONFIG_VIRTFS=y" >> $config_host_mak
>> fi
>> -if test "$mpath" = "yes" ; then
>> - echo "CONFIG_MPATH=y" >> $config_host_mak
>> - if test "$mpathpersist_new_api" = "yes"; then
>> - echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
>> - fi
>> -fi
>> if test "$vhost_scsi" = "yes" ; then
>> echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
>> fi
>> @@ -7992,7 +7923,7 @@ NINJA=${ninja:-$PWD/ninjatool} $meson setup \
>> -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo
>> false; fi) \
>> -Db_pie=$(if test "$pie" = yes; then echo true; else echo false;
>> fi) \
>> -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo
>> false; fi) \
>> - -Dsdl=$sdl -Dsdl_image=$sdl_image \
>> + -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \
>> -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png
>> \
>> -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\
>> $cross_arg \
>> diff --git a/meson.build b/meson.build
>> index 48724988972d..c09d869f9b02 100644
>> --- a/meson.build
>> +++ b/meson.build
>> @@ -81,6 +81,14 @@ if 'SPARSE_CFLAGS' in config_host
>> 'compile_commands.json'])
>> endif
>>
>> +###########################################
>> +# Target-specific checks and dependencies #
>> +###########################################
>> +
>> +if targetos != 'linux' and get_option('mpath').enabled()
>> + error('Multipath is supported only on Linux')
>> +endif
>> +
>> m = cc.find_library('m', required: false)
>> util = cc.find_library('util', required: false)
>> winmm = []
>> @@ -112,6 +120,11 @@ elif targetos == 'haiku'
>> cc.find_library('network'),
>> cc.find_library('bsd')]
>> endif
>> +
>> +################
>> +# Dependencies #
>> +################
>> +
>> # The path to glib.h is added to all compilation commands. This was
>> # grandfathered in from the QEMU Makefiles.
>> add_project_arguments(config_host['GLIB_CFLAGS'].split(),
>> @@ -218,10 +231,6 @@ if 'CONFIG_SPICE' in config_host
>> link_args: config_host['SPICE_LIBS'].split())
>> endif
>> rt = cc.find_library('rt', required: false)
>> -libmpathpersist = not_found
>> -if config_host.has_key('CONFIG_MPATH')
>> - libmpathpersist = cc.find_library('mpathpersist')
>> -endif
>> libdl = not_found
>> if 'CONFIG_PLUGIN' in config_host
>> libdl = cc.find_library('dl', required: true)
>> @@ -252,9 +261,62 @@ if 'CONFIG_CURL' in config_host
>> link_args: config_host['CURL_LIBS'].split())
>> endif
>> libudev = not_found
>> -if target_os == 'linux'
>> - libudev = dependency('libudev', static: enable_static)
>> +if targetos == 'linux'
>> + libudev = dependency('libudev',
>> + required: get_option('mpath'),
>> + static: enable_static)
>> +endif
>> +
>> +mpathpersist = not_found
>> +if targetos == 'linux' and not get_option('mpath').disabled()
>> + libmultipath = cc.find_library('multipath',
>> + required: get_option('mpath'),
>> + static: enable_static)
>> + libmpathpersist = cc.find_library('mpathpersist',
>> + required: get_option('mpath'),
>> + static: enable_static)
>> + if libmultipath.found() and libmpathpersist.found() and libudev.found()
>> + if cc.links('''
>> + #include <libudev.h>
>> + #include <mpath_persist.h>
>> + unsigned mpath_mx_alloc_len = 1024;
>> + int logsink;
>> + static struct config *multipath_conf;
>> + extern struct udev *udev;
>> + extern struct config *get_multipath_config(void);
>> + extern void put_multipath_config(struct config *conf);
>> + struct udev *udev;
>> + struct config *get_multipath_config(void) { return multipath_conf; }
>> + void put_multipath_config(struct config *conf) { }
>> + int main(void) {
>> + udev = udev_new();
>> + multipath_conf = mpath_lib_init();
>> + return 0;
>> + }''', dependencies: [libmultipath, libmpathpersist, libudev])
>> + mpathpersist = declare_dependency(dependencies: [libmultipath,
>> libmpathpersist, libudev])
>> + mpathpersist_new_api = true
>> + elif cc.links('''
>> + #include <libudev.h>
>> + #include <mpath_persist.h>
>> + unsigned mpath_mx_alloc_len = 1024;
>> + int logsink;
>> + int main(void) {
>> + struct udev *udev = udev_new();
>> + mpath_lib_init(udev);
>> + return 0;
>> + }''', dependencies: [libmultipath, libmpathpersist, libudev])
>> + mpathpersist = declare_dependency(dependencies: [libmultipath,
>> libmpathpersist, libudev])
>> + mpathpersist_new_api = false
>> + else
>> + if get_option('mpath').enabled()
>> + error('Cannot detect libmpathpersist API')
>> + else
>> + warning('Cannot detect libmpathpersist API, disabling')
>> + endif
>> + endif
>> + endif
>> endif
>> +
>> brlapi = not_found
>> if 'CONFIG_BRLAPI' in config_host
>> brlapi = declare_dependency(link_args: config_host['BRLAPI_LIBS'].split())
>> @@ -436,6 +498,10 @@ has_gettid = cc.has_function('gettid')
>> # Create config-host.h
>>
>> config_host_data.set('CONFIG_LIBUDEV', libudev.found())
>> +config_host_data.set('CONFIG_MPATH', mpathpersist.found())
>> +if mpathpersist.found()
>> + config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
>> +endif
>> config_host_data.set('CONFIG_SDL', sdl.found())
>> config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
>> config_host_data.set('CONFIG_VNC', vnc.found())
>> @@ -1185,7 +1251,7 @@ if have_tools
>>
>> executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c',
>> 'scsi/utils.c'),
>> dependencies: [authz, crypto, io, qom, qemuutil,
>> - libcap_ng, libudev, libmpathpersist],
>> + libcap_ng, mpathpersist],
>> install: true)
>> endif
>>
>> @@ -1407,7 +1473,7 @@ summary_info += {'Audio drivers':
>> config_host['CONFIG_AUDIO_DRIVERS']}
>> summary_info += {'Block whitelist (rw)':
>> config_host['CONFIG_BDRV_RW_WHITELIST']}
>> summary_info += {'Block whitelist (ro)':
>> config_host['CONFIG_BDRV_RO_WHITELIST']}
>> summary_info += {'VirtFS support': config_host.has_key('CONFIG_VIRTFS')}
>> -summary_info += {'Multipath support': config_host.has_key('CONFIG_MPATH')}
>> +summary_info += {'Multipath support': mpathpersist.found()}
>> summary_info += {'VNC support': vnc.found()}
>> if vnc.found()
>> summary_info += {'VNC SASL support': sasl.found()}
>> diff --git a/meson_options.txt b/meson_options.txt
>> index 543cf70043a2..b38a6ae92a92 100644
>> --- a/meson_options.txt
>> +++ b/meson_options.txt
>> @@ -6,6 +6,8 @@ option('docdir', type : 'string', value : 'doc',
>> option('gettext', type : 'boolean', value : true,
>> description: 'Localization of the GTK+ user interface')
>>
>> +option('mpath', type : 'feature', value : 'auto',
>> + description: 'Multipath persistent reservation passthrough')
>> option('sdl', type : 'feature', value : 'auto',
>> description: 'SDL user interface')
>> option('sdl_image', type : 'feature', value : 'auto',
>>
>
> This is not the latest version of the series, can you drop patches 2
> and 3?
Sure.
--
Alex Bennée
- [PATCH v1 00/15] testing/next pre-PR (python3.6, check-tcg), Alex Bennée, 2020/09/25
- [PATCH v1 02/15] meson: move libudev test, Alex Bennée, 2020/09/25
- [PATCH v1 04/15] migration: Silence compiler warning in global_state_store_running(), Alex Bennée, 2020/09/25
- [PATCH v1 01/15] tests/tcg: reinstate or replace desired parts of rules.mak, Alex Bennée, 2020/09/25
- [PATCH v1 07/15] travis.yml: Drop the superfluous Python 3.6 build, Alex Bennée, 2020/09/25
- [PATCH v1 09/15] tests/docker: Use Fedora containers for MinGW cross-builds in the gitlab-CI, Alex Bennée, 2020/09/25
- [PATCH v1 05/15] travis.yml: Drop the default softmmu builds, Alex Bennée, 2020/09/25
- [PATCH v1 03/15] meson: move libmpathpersist test, Alex Bennée, 2020/09/25
[PATCH v1 08/15] travis.yml: Drop the Python 3.5 build, Alex Bennée, 2020/09/25
[PATCH v1 10/15] gitlab-ci: Remove the Debian9-based containers and containers-layer3, Alex Bennée, 2020/09/25
[PATCH v1 11/15] tests/docker: Update the tricore container to debian 10, Alex Bennée, 2020/09/25
[PATCH v1 15/15] configure: Bump the minimum required Python version to 3.6, Alex Bennée, 2020/09/25
[PATCH v1 06/15] travis.yml: Update Travis to use Bionic and Focal instead of Xenial, Alex Bennée, 2020/09/25
[PATCH v1 14/15] gitlab-ci: Increase the timeout for the cross-compiler builds, Alex Bennée, 2020/09/25