Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
configure | 34 ++++------------------------------
meson.build | 24 ++++++++++++++++++++----
meson_options.txt | 2 ++
tools/meson.build | 4 ++--
4 files changed, 28 insertions(+), 36 deletions(-)
diff --git a/configure b/configure
index 11d6f40f92..faee71612f 100755
--- a/configure
+++ b/configure
@@ -331,7 +331,7 @@ xen_ctrl_version="$default_feature"
xen_pci_passthrough="auto"
linux_aio="$default_feature"
linux_io_uring="$default_feature"
-cap_ng="$default_feature"
+cap_ng="auto"
attr="$default_feature"
libattr="$default_feature"
xfs="$default_feature"
@@ -1123,9 +1123,9 @@ for opt do
;;
--enable-tcg-interpreter) tcg_interpreter="yes"
;;
- --disable-cap-ng) cap_ng="no"
+ --disable-cap-ng) cap_ng="disabled"
;;
- --enable-cap-ng) cap_ng="yes"
+ --enable-cap-ng) cap_ng="enabled"
;;
--disable-tcg) tcg="disabled"
;;
@@ -3193,28 +3193,6 @@ EOF
fi
fi
-##########################################
-# libcap-ng library probe
-if test "$cap_ng" != "no" ; then
- cap_libs="-lcap-ng"
- cat > $TMPC << EOF
-#include <cap-ng.h>
-int main(void)
-{
- capng_capability_to_name(CAPNG_EFFECTIVE);
- return 0;
-}
-EOF
- if compile_prog "" "$cap_libs" ; then
- cap_ng=yes
- else
- if test "$cap_ng" = "yes" ; then
- feature_not_found "cap_ng" "Install libcap-ng devel"
- fi
- cap_ng=no
- fi
-fi
-
##########################################
# Sound support libraries probe
@@ -5671,10 +5649,6 @@ fi
if test "$gprof" = "yes" ; then
echo "CONFIG_GPROF=y" >> $config_host_mak
fi
-if test "$cap_ng" = "yes" ; then
- echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
- echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
-fi
echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
for drv in $audio_drv_list; do
def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
@@ -6561,7 +6535,7 @@ NINJA=$ninja $meson setup \
-Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2 -Dlibiscsi=$libiscsi \
-Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\
-Dlibssh=$libssh -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse \
- -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs \
+ -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \
-Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
-Dvhost_user_blk_server=$vhost_user_blk_server \
-Dfuse=$fuse -Dfuse_lseek=$fuse_lseek \
diff --git a/meson.build b/meson.build
index 08d3586df5..56ab291d87 100644
--- a/meson.build
+++ b/meson.build
@@ -334,10 +334,25 @@ if not get_option('libiscsi').auto() or have_system or have_tools
required: get_option('seccomp'),
method: 'pkg-config', static: enable_static)
endif
-libcap_ng = not_found
-if 'CONFIG_LIBCAP_NG' in config_host
- libcap_ng = declare_dependency(link_args: config_host['LIBCAP_NG_LIBS'].split())
+
+libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
+ required: get_option('cap_ng'),
+ static: enable_static)
+if libcap_ng.found() and not cc.links('''
+ #include <cap-ng.h>
+ int main(void)
+ {
+ capng_capability_to_name(CAPNG_EFFECTIVE);
+ return 0;
+ }''', dependencies: libcap_ng)
+ libcap_ng = not_found
+ if get_option('cap_ng').enabled()
+ error('could not link libcap-ng')
+ else
+ warning('could not link libcap-ng, disabling')
.pc file is provided since 0.6.5
curl -s '
https://repology.org/api/v1/project/libcap-ng' | \
jq -r 'group_by(.repo) | .[] | "\(.[0].repo): \(map(.version))"' | \
egrep -i 'ubuntu_18|debian_old|rhel|centos|bsd|suse_leap_15_2|sles'
centos_6: ["0.6.4"]
centos_7: ["0.7.5"]
centos_8: ["0.7.9"]
debian_oldstable: ["0.7.7"]
opensuse_leap_15_2: ["0.7.9"]
ubuntu_18_04: ["0.7.7"]
RHEL6 is EOL, we no longer support it, right?
Then we should be good to switch to pkg-config method.
It can be done later. For this patch:
+ endif
endif
+
if get_option('xkbcommon').auto() and not have_system and not have_tools
xkbcommon = not_found
else
@@ -1006,6 +1021,7 @@ config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_c
config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
+config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
config_host_data.set('CONFIG_LIBNFS', libnfs.found())
config_host_data.set('CONFIG_LIBSSH', libssh.found())
@@ -2348,7 +2364,7 @@ summary_info += {'fdatasync': config_host.has_key('CONFIG_FDATASYNC')}
summary_info += {'madvise': config_host.has_key('CONFIG_MADVISE')}
summary_info += {'posix_madvise': config_host.has_key('CONFIG_POSIX_MADVISE')}
summary_info += {'posix_memalign': config_host.has_key('CONFIG_POSIX_MEMALIGN')}
-summary_info += {'libcap-ng support': config_host.has_key('CONFIG_LIBCAP_NG')}
+summary_info += {'libcap-ng support': libcap_ng.found()}
summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
diff --git a/meson_options.txt b/meson_options.txt
index 59a8a50e5b..12a1872f20 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -44,6 +44,8 @@ option('brlapi', type : 'feature', value : 'auto',
description: 'brlapi character device driver')
option('bzip2', type : 'feature', value : 'auto',
description: 'bzip2 support for DMG images')
+option('cap_ng', type : 'feature', value : 'auto',
+ description: 'cap_ng support')
option('cocoa', type : 'feature', value : 'auto',
description: 'Cocoa user interface (macOS only)')
option('curl', type : 'feature', value : 'auto',
diff --git a/tools/meson.build b/tools/meson.build
index 5c52d79fe4..fdce66857d 100644
--- a/tools/meson.build
+++ b/tools/meson.build
@@ -1,14 +1,14 @@
have_virtiofsd = (targetos == 'linux' and
have_tools and
seccomp.found() and
- 'CONFIG_LIBCAP_NG' in config_host and
+ libcap_ng.found() and
'CONFIG_VHOST_USER' in config_host)
if get_option('virtiofsd').enabled()
if not have_virtiofsd
if targetos != 'linux'
error('virtiofsd requires Linux')
- elif not seccomp.found() or 'CONFIG_LIBCAP_NG' not in config_host
+ elif not seccomp.found() or not libcap_ng.found()
error('virtiofsd requires libcap-ng-devel and seccomp-devel')
elif not have_tools or 'CONFIG_VHOST_USER' not in config_host
error('virtiofsd needs tools and vhost-user support')
--
2.29.2