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project (
'libvirt' , 'c' ,
version : '6.7.0' ,
license : 'LGPLv2+' ,
meson_version : '>= 0.54.0' ,
default_options : [
'buildtype=debugoptimized' ,
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'b_pie=true' ,
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'c_std=gnu99' ,
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'warning_level=2' ,
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] ,
)
if not get_option ( 'force_incomplete_build' )
error ( 'This commit is part of the meson conversion and does not build a complete libvirt. If bisecting, use "git bisect skip" to continue, or "-Dforce_incomplete_build=true" to perform a partial build.' )
endif
# figure out if we are building from git
git = run_command ( 'test' , '-d' , '.git' ) . returncode ( ) == 0
if git and not get_option ( 'no_git' )
run_command ( 'git' , 'submodule' , 'update' , '--init' )
endif
# prepare build configuration data
conf = configuration_data ( )
conf . set ( '_GNU_SOURCE' , 1 )
conf . set_quoted ( 'abs_top_builddir' , meson . build_root ( ) )
conf . set_quoted ( 'abs_top_srcdir' , meson . source_root ( ) )
conf . set_quoted ( 'PACKAGE' , meson . project_name ( ) )
conf . set_quoted ( 'PACKAGE_NAME' , meson . project_name ( ) )
conf . set_quoted ( 'PACKAGE_VERSION' , meson . project_version ( ) )
conf . set_quoted ( 'VERSION' , meson . project_version ( ) )
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if host_machine . system ( ) == 'windows'
# For AI_ADDRCONFIG
conf . set ( '_WIN32_WINNT' , '0x0600' ) # Win Vista / Server 2008
conf . set ( 'WINVER' , '0x0600' ) # Win Vista / Server 2008
endif
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# set various paths
if get_option ( 'system' )
prefix = '/usr'
libdir = prefix / 'lib64'
if run_command ( 'test' , '-d' , libdir ) . returncode ( ) != 0
libdir = prefix / 'lib'
endif
localstatedir = '/var'
sysconfdir = '/etc'
else
prefix = get_option ( 'prefix' )
libdir = prefix / get_option ( 'libdir' )
localstatedir = prefix / get_option ( 'localstatedir' )
sysconfdir = prefix / get_option ( 'sysconfdir' )
endif
# if --prefix is /usr, don't use /usr/var for localstatedir or /usr/etc for
# sysconfdir as this makes a lot of things break in testing situations
if prefix == '/usr'
if localstatedir == '/usr/var'
localstatedir = '/var'
endif
if sysconfdir == '/usr/etc'
sysconfdir = '/etc'
endif
endif
runstatedir = get_option ( 'runstatedir' )
if runstatedir == ''
runstatedir = localstatedir / 'run'
endif
bindir = prefix / get_option ( 'bindir' )
datadir = prefix / get_option ( 'datadir' )
includedir = prefix / get_option ( 'includedir' )
infodir = prefix / get_option ( 'infodir' )
libexecdir = prefix / get_option ( 'libexecdir' )
localedir = prefix / get_option ( 'localedir' )
mandir = prefix / get_option ( 'mandir' )
sbindir = prefix / get_option ( 'sbindir' )
sharedstatedir = prefix / get_option ( 'sharedstatedir' )
confdir = sysconfdir / meson . project_name ( )
docdir = datadir / 'doc' / meson . project_name ( )
pkgdatadir = datadir / meson . project_name ( )
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# generate configmake.h header
configmake_conf = configuration_data ( )
configmake_conf . set_quoted ( 'BINDIR' , bindir )
configmake_conf . set_quoted ( 'DATADIR' , datadir )
configmake_conf . set_quoted ( 'LIBDIR' , libdir )
configmake_conf . set_quoted ( 'LIBEXECDIR' , libexecdir )
configmake_conf . set_quoted ( 'LOCALEDIR' , localedir )
configmake_conf . set_quoted ( 'LOCALSTATEDIR' , localstatedir )
configmake_conf . set_quoted ( 'MANDIR' , mandir )
configmake_conf . set_quoted ( 'PKGDATADIR' , pkgdatadir )
configmake_conf . set_quoted ( 'PREFIX' , prefix )
configmake_conf . set_quoted ( 'RUNSTATEDIR' , runstatedir )
configmake_conf . set_quoted ( 'SBINDIR' , sbindir )
configmake_conf . set_quoted ( 'SYSCONFDIR' , sysconfdir )
configure_file (
input : 'configmake.h.in' ,
output : 'configmake.h' ,
configuration : configmake_conf ,
)
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# packager options
packager = get_option ( 'packager' )
packager_version = get_option ( 'packager_version' )
if packager != ''
conf . set_quoted ( 'PACKAGER' , packager )
endif
if packager_version != ''
conf . set_quoted ( 'PACKAGER_VERSION' , packager_version )
endif
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# test options
if get_option ( 'expensive_tests' ) . auto ( )
use_expensive_tests = not git
else
use_expensive_tests = get_option ( 'expensive_tests' ) . enabled ( )
endif
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coverage_flags = [ ]
if get_option ( 'test_coverage' )
coverage_flags = [
'-fprofile-arcs' ,
'-ftest-coverage' ,
]
endif
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# Detect when running under the clang static analyzer's scan-build driver
# or Coverity-prevent's cov-build. Define STATIC_ANALYSIS accordingly.
rc = run_command (
'sh' , '-c' ,
'test -n "${CCC_ANALYZER_HTML}"' +
' -o -n "${CCC_ANALYZER_ANALYSIS+set}"' +
' -o -n "$COVERITY_BUILD_COMMAND$COVERITY_LD_PRELOAD"' ,
)
if rc . returncode ( ) == 0
conf . set ( 'STATIC_ANALYSIS' , 1 )
endif
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# figure out libvirt version strings
arr_version = meson . project_version ( ) . split ( '.' )
libvirt_version_number = 1000000 * arr_version [ 0 ] . to_int ( ) + 1000 * arr_version [ 1 ] . to_int ( ) + arr_version [ 2 ] . to_int ( )
conf . set ( 'LIBVIRT_VERSION_NUMBER' , libvirt_version_number )
# In libtool terminology we need to figure out:
#
# CURRENT
# The most recent interface number that this library implements.
#
# REVISION
# The implementation number of the CURRENT interface.
#
# AGE
# The difference between the newest and oldest interfaces that this
# library implements.
#
# In other words, the library implements all the interface numbers
# in the range from number `CURRENT - AGE' to `CURRENT'.
#
# Libtool assigns the soname version from `CURRENT - AGE', and we
# don't want that to ever change in libvirt. ie it must always be
# zero, to produce libvirt.so.0.
#
# We would, however, like the libvirt version number reflected
# in the so version'd symlinks, and this is based on AGE.REVISION
# eg libvirt.so.0.AGE.REVISION
#
# The following examples show what libtool will do
#
# Input: 0.9.14 -> libvirt.so.0.9.14
# Input: 1.0.0 -> libvirt.so.0.1000.0
# Input: 2.5.8 -> libvirt.so.0.2005.8
#
# Assuming we do ever want to break soname version, this can
# toggled. But seriously, don't ever touch this.
libvirt_so_version = 0
libvirt_age = 1000 * arr_version [ 0 ] . to_int ( ) + arr_version [ 1 ] . to_int ( )
libvirt_revision = arr_version [ 2 ] . to_int ( )
libvirt_lib_version = '@0@.@1@.@2@' . format ( libvirt_so_version , libvirt_age , libvirt_revision )
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# check compile flags
cc = meson . get_compiler ( 'c' )
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cc_flags = [ ]
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git_werror = get_option ( 'git_werror' )
if git_werror . enabled ( ) or git_werror . auto ( ) and git
cc_flags + = [ '-Werror' ]
endif
cc_flags + = [
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'-fno-common' ,
'-W' ,
'-Wabsolute-value' ,
'-Waddress' ,
'-Waddress-of-packed-member' ,
'-Waggressive-loop-optimizations' ,
'-Wattribute-warning' ,
'-Wattributes' ,
'-Wbool-compare' ,
'-Wbool-operation' ,
'-Wbuiltin-declaration-mismatch' ,
'-Wbuiltin-macro-redefined' ,
'-Wcannot-profile' ,
'-Wcast-align' ,
'-Wcast-align=strict' ,
'-Wcast-function-type' ,
'-Wchar-subscripts' ,
'-Wclobbered' ,
'-Wcomment' ,
'-Wcomments' ,
'-Wcoverage-mismatch' ,
'-Wcpp' ,
'-Wdangling-else' ,
'-Wdate-time' ,
'-Wdeprecated-declarations' ,
'-Wdesignated-init' ,
'-Wdiscarded-array-qualifiers' ,
'-Wdiscarded-qualifiers' ,
'-Wdiv-by-zero' ,
'-Wduplicated-cond' ,
'-Wduplicate-decl-specifier' ,
'-Wempty-body' ,
'-Wendif-labels' ,
'-Wexpansion-to-defined' ,
'-Wformat-contains-nul' ,
'-Wformat-extra-args' ,
'-Wformat-nonliteral' ,
'-Wformat-security' ,
'-Wformat-y2k' ,
'-Wformat-zero-length' ,
'-Wframe-address' ,
'-Wfree-nonheap-object' ,
'-Whsa' ,
'-Wif-not-aligned' ,
'-Wignored-attributes' ,
'-Wignored-qualifiers' ,
'-Wimplicit' ,
'-Wimplicit-function-declaration' ,
'-Wimplicit-int' ,
'-Wincompatible-pointer-types' ,
'-Winit-self' ,
'-Winline' ,
'-Wint-conversion' ,
'-Wint-in-bool-context' ,
'-Wint-to-pointer-cast' ,
'-Winvalid-memory-model' ,
'-Winvalid-pch' ,
'-Wlogical-not-parentheses' ,
'-Wlogical-op' ,
'-Wmain' ,
'-Wmaybe-uninitialized' ,
'-Wmemset-elt-size' ,
'-Wmemset-transposed-args' ,
'-Wmisleading-indentation' ,
'-Wmissing-attributes' ,
'-Wmissing-braces' ,
'-Wmissing-declarations' ,
'-Wmissing-field-initializers' ,
'-Wmissing-include-dirs' ,
'-Wmissing-parameter-type' ,
'-Wmissing-profile' ,
'-Wmissing-prototypes' ,
'-Wmultichar' ,
'-Wmultistatement-macros' ,
'-Wnarrowing' ,
'-Wnested-externs' ,
'-Wnonnull' ,
'-Wnonnull-compare' ,
'-Wnull-dereference' ,
'-Wodr' ,
'-Wold-style-declaration' ,
'-Wold-style-definition' ,
'-Wopenmp-simd' ,
'-Woverflow' ,
'-Woverride-init' ,
'-Wpacked-bitfield-compat' ,
'-Wpacked-not-aligned' ,
'-Wparentheses' ,
'-Wpointer-arith' ,
'-Wpointer-compare' ,
'-Wpointer-sign' ,
'-Wpointer-to-int-cast' ,
'-Wpragmas' ,
'-Wpsabi' ,
'-Wrestrict' ,
'-Wreturn-local-addr' ,
'-Wreturn-type' ,
'-Wscalar-storage-order' ,
'-Wsequence-point' ,
'-Wshadow' ,
'-Wshift-count-negative' ,
'-Wshift-count-overflow' ,
'-Wshift-negative-value' ,
'-Wsizeof-array-argument' ,
'-Wsizeof-pointer-div' ,
'-Wsizeof-pointer-memaccess' ,
'-Wstrict-aliasing' ,
'-Wstrict-prototypes' ,
'-Wstringop-truncation' ,
'-Wsuggest-attribute=cold' ,
'-Wsuggest-attribute=const' ,
'-Wsuggest-attribute=format' ,
'-Wsuggest-attribute=noreturn' ,
'-Wsuggest-attribute=pure' ,
'-Wsuggest-final-methods' ,
'-Wsuggest-final-types' ,
'-Wswitch' ,
'-Wswitch-bool' ,
'-Wswitch-unreachable' ,
'-Wsync-nand' ,
'-Wtautological-compare' ,
'-Wtrampolines' ,
'-Wtrigraphs' ,
'-Wtype-limits' ,
'-Wuninitialized' ,
'-Wunknown-pragmas' ,
'-Wunused' ,
'-Wunused-but-set-parameter' ,
'-Wunused-but-set-variable' ,
'-Wunused-function' ,
'-Wunused-label' ,
'-Wunused-local-typedefs' ,
'-Wunused-parameter' ,
'-Wunused-result' ,
'-Wunused-value' ,
'-Wunused-variable' ,
'-Wvarargs' ,
'-Wvariadic-macros' ,
'-Wvector-operation-performance' ,
'-Wvla' ,
'-Wvolatile-register-var' ,
'-Wwrite-strings' ,
]
# gcc --help=warnings outputs
ptrdiff_max = cc . sizeof ( 'ptrdiff_t' , prefix : '#include <stddef.h>' )
size_max = cc . sizeof ( 'size_t' , prefix : '#include <stdint.h>' )
# Compute max safe object size by checking ptrdiff_t and size_t sizes.
# Ideally we would get PTRDIFF_MAX and SIZE_MAX values but it would
# give us (2147483647L) and we would have to remove the () and the suffix
# in order to convert it to numbers to be able to pick the smaller one.
alloc_max = run_command (
'python3' , '-c' ,
'print(min(2**(@0@ * 8 - 1) - 1, 2**(@1@ * 8) - 1))' . format ( ptrdiff_max , size_max ) ,
)
cc_flags + = [
'-Walloc-size-larger-than=@0@' . format ( alloc_max . stdout ( ) . strip ( ) ) ,
'-Warray-bounds=2' ,
'-Wattribute-alias=2' ,
'-Wformat-overflow=2' ,
'-Wformat-truncation=2' ,
'-Wimplicit-fallthrough=5' ,
'-Wnormalized=nfc' ,
'-Wshift-overflow=2' ,
'-Wstringop-overflow=2' ,
'-Wunused-const-variable=2' ,
'-Wvla-larger-then=4031' ,
]
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cc_flags + = [
# So we have -W enabled, and then have to explicitly turn off...
'-Wno-sign-compare' ,
# We do "bad" function casts all the time for event callbacks
'-Wno-cast-function-type' ,
# CLang incorrectly complains about dup typedefs win gnu99 mode
# so use this CLang-specific arg to keep it quiet
'-Wno-typedef-redefinition' ,
# We don't use -Wc++-compat so we have to enable it explicitly
'-Wjump-misses-init' ,
# -Wswitch is enabled but that doesn't report missing enums if a default:
# is present
'-Wswitch-enum' ,
# -Wformat=2 implies -Wformat-nonliteral so we need to manually exclude it
'-Wno-format-nonliteral' ,
# -Wformat enables this by default, and we should keep it,
# but need to rewrite various areas of code first
'-Wno-format-truncation' ,
# This should be < 256 really. Currently we're down to 4096,
# but using 1024 bytes sized buffers (mostly for virStrerror)
# stops us from going down further
'-Wframe-larger-than=4096' ,
# extra special flags
'-fexceptions' ,
'-fasynchronous-unwind-tables' ,
# Need -fipa-pure-const in order to make -Wsuggest-attribute=pure
# fire even without -O.
'-fipa-pure-const' ,
# We should eventually enable this, but right now there are at
# least 75 functions triggering warnings.
'-Wno-suggest-attribute=pure' ,
'-Wno-suggest-attribute=const' ,
]
# on aarch64 error: -fstack-protector not supported for this target
if host_machine . cpu_family ( ) != 'aarch64'
if host_machine . system ( ) in [ 'linux' , 'freebsd' , 'windows' ]
# we prefer -fstack-protector-strong but fallback to -fstack-protector-all
fstack_cflags = cc . first_supported_argument ( [
'-fstack-protector-strong' ,
'-fstack-protector-all' ,
] )
cc_flags + = fstack_cflags
# When building with mingw using -fstack-protector requires libssp library
# which is included by using -fstack-protector with linker.
if fstack_cflags . length ( ) == 1 and host_machine . system ( ) == 'windows'
add_project_link_arguments ( fstack_cflags , language : 'c' )
endif
endif
endif
if cc . has_argument ( '-Wlogical-op' )
# Broken in 6.0 and later
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69602
w_logical_op_args = [ '-O2' , '-Wlogical-op' , '-Werror' ]
w_logical_op_code = '' '
#define TEST1 1
#define TEST2 TEST1
int main ( void ) {
int test = 0 ;
return test == TEST1 | | test == TEST2 ;
}
'' '
if not cc . compiles ( w_logical_op_code , args : w_logical_op_args )
conf . set ( 'BROKEN_GCC_WLOGICALOP_EQUAL_EXPR' , 1 )
endif
endif
# Check whether clang gives bogus warning for -Wdouble-promotion.
w_double_promotion_args = [ '-O2' , '-Wdouble-promotion' , '-Werror' ]
w_double_promotion_code = '' '
#include <math.h>
int main ( void ) {
float f = 0 . 0 ;
return isnan ( f ) ;
}
'' '
if cc . compiles ( w_double_promotion_code , args : w_double_promotion_args , name : '-Wdouble-promotion' )
cc_flags + = [ '-Wdouble-promotion' ]
endif
# Clang complains about unused static inline functions which are common
# with G_DEFINE_AUTOPTR_CLEANUP_FUNC.
w_unused_function_args = [ '-Wunused-function' , '-Werror' ]
w_unused_function_code = '' '
static inline void foo ( void ) { }
int main ( void ) { return 0 ; }
'' '
# -Wunused-function is implied by -Wall, we must turn it off explicitly.
if not cc . compiles ( w_unused_function_code , args : w_unused_function_args )
cc_flags + = [ '-Wno-unused-function' ]
endif
cc_flags_disabled = [
# In meson this is specified using 'c_std=gnu99' in project() function.
'-std=gnu99' ,
# In meson this is specified using 'warning_level=2' in project() function.
'-Wall' ,
'-Wextra' ,
# don't care about C++ compiler compat
'-Wc++-compat' ,
'-Wabi' ,
'-Wdeprecated' ,
# Don't care about ancient C standard compat
'-Wtraditional' ,
'-Wtraditional-conversion' ,
# Ignore warnings in /usr/include
'-Wsystem-headers' ,
# Happy for compiler to add struct padding
'-Wpadded' ,
# GCC very confused with -O2
'-Wunreachable-code' ,
# Too many to deal with
'-Wconversion' ,
'-Wsign-conversion' ,
# Need to allow bad cast for execve()
'-Wcast-qual' ,
# We need to use long long in many places
'-Wlong-long' ,
# We allow manual list of all enum cases without default
'-Wswitch-default' ,
# Not a problem since we don't use -fstrict-overflow
'-Wstrict-overflow' ,
# Not a problem since we don't use -funsafe-loop-optimizations
'-Wunsafe-loop-optimizations' ,
# gcc 4.4.6 complains this is C++ only; gcc 4.7.0 implies this from -Wall
'-Wenum-compare' ,
# gcc 5.1 -Wformat-signedness mishandles enums, not ready for prime time
'-Wformat-signedness' ,
# Several conditionals expand the same on both branches depending on the
# particular platform/architecture
'-Wduplicated-branches' ,
# > This warning does not generally indicate that there is anything wrong
# > with your code; it merely indicates that GCC's optimizers are unable
# > to handle the code effectively.
# Source: https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
'-Wdisabled-optimization' ,
# Various valid glib APIs/macros trigger this warning
'-Wbad-function-cast' ,
# We might fundamentally need some of these disabled forever, but
# ideally we'd turn many of them on
'-Wfloat-equal' ,
'-Wdeclaration-after-statement' ,
'-Wpacked' ,
'-Wunused-macros' ,
'-Woverlength-strings' ,
'-Wstack-protector' ,
'-Wsuggest-attribute=malloc' ,
]
foreach flag : cc_flags_disabled
if cc_flags . contains ( flag )
error ( '@0@ is disabled but listed in cc_flags' . format ( flag ) )
endif
endforeach
supported_cc_flags = cc . get_supported_arguments ( cc_flags )
add_project_arguments ( supported_cc_flags , language : 'c' )
if cc . has_argument ( '-Wsuggest-attribute=format' )
conf . set ( 'HAVE_SUGGEST_ATTRIBUTE_FORMAT' , 1 )
endif
# used in tests
cc_flags_relaxed_frame_limit = [
'-Wframe-larger-than=262144' ,
]
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# various linker checks
libvirt_relro = cc . get_supported_link_arguments ( [
'-Wl,-z,relro' ,
'-Wl,-z,now' ,
] )
libvirt_nodelete = cc . get_supported_link_arguments ( [
'-Wl,-z,nodelete' ,
] )
libvirt_no_undefined = cc . get_supported_link_arguments ( [
'-Wl,-z,defs' ,
] )
libvirt_no_indirect = cc . get_supported_link_arguments ( [
'-Wl,--no-copy-dt-needed-entries' ,
] )
if host_machine . system ( ) == 'windows'
version_script_flags = '-Wl,'
else
test_file = '@0@/src/libvirt_qemu.syms' . format ( meson . source_root ( ) )
if cc . has_link_argument ( '-Wl,--version-script=@0@' . format ( test_file ) )
version_script_flags = '-Wl,--version-script='
elif cc . has_link_argument ( '-Wl,-M,' )
version_script_flags = '-Wl,-M,'
else
error ( 'No supported version script link argument found.' )
endif
endif
libvirt_flat_namespace = [ ]
if host_machine . system ( ) == 'darwin'
libvirt_flat_namespace = '-Wl,-flat_namespace'
endif
libvirt_export_dynamic = cc . first_supported_link_argument ( [
'-Wl,-export-dynamic' ,
'-Wl,-export_dynamic' ,
] )
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# check availability of various common functions (non-fatal if missing)
functions = [
'__lxstat' ,
'__lxstat64' ,
'__xstat' ,
'__xstat64' ,
'elf_aux_info' ,
'fallocate' ,
'getauxval' ,
'getegid' ,
'geteuid' ,
'getgid' ,
'getifaddrs' ,
'getmntent_r' ,
'getpwuid_r' ,
'getrlimit' ,
'getuid' ,
'getutxid' ,
'if_indextoname' ,
'lstat' ,
'lstat64' ,
'mmap' ,
'newlocale' ,
'pipe2' ,
'posix_fallocate' ,
'posix_memalign' ,
'prlimit' ,
'sched_getaffinity' ,
'sched_setscheduler' ,
'setgroups' ,
'setns' ,
'setrlimit' ,
'stat' ,
'stat64' ,
'symlink' ,
'sysctlbyname' ,
'unshare' ,
]
foreach function : functions
if cc . has_function ( function )
conf . set ( 'HAVE_@0@' . format ( function . to_upper ( ) ) , 1 )
endif
endforeach
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# various header checks
headers = [
'asm/hwcap.h' ,
'ifaddrs.h' ,
'libtasn1.h' ,
'libutil.h' ,
'linux/kvm.h' ,
'linux/magic.h' ,
'mntent.h' ,
'net/ethernet.h' ,
'net/if.h' ,
'pty.h' ,
'pwd.h' ,
'stdarg.h' ,
'sys/ioctl.h' ,
'sys/mount.h' ,
'sys/syscall.h' ,
'sys/sysctl.h' ,
'sys/ucred.h' ,
'syslog.h' ,
'util.h' ,
'xlocale.h' ,
]
if host_machine . system ( ) == 'linux'
# check for kernel headers required by btrfs ioctl
headers + = 'linux/btrfs.h'
# check for xfs dev headers required by xfs ioctl
headers + = 'xfs/xfs.h'
# check for DEVLINK_CMD_ESWITCH_GET
headers + = 'linux/devlink.h'
endif
foreach name : headers
if cc . has_header ( name )
conf . set ( 'HAVE_@0@' . format ( name . underscorify ( ) . to_upper ( ) ) , 1 )
endif
endforeach
# check for kernel headers required by src/util/virnetdevbridge.c
if host_machine . system ( ) == 'linux'
# Various kernel versions have headers that are not self-standing, but
# yet are incompatible with the corresponding glibc headers. In order
# to guarantee compilation across a wide range of versions (from RHEL 5
# to rawhide), we first have to probe whether glibc and kernel can be
# used in tandem; and if not, provide workarounds that ensure that
# ABI-compatible IPv6 types are present for use by the kernel headers.
netinet_workaround_code = '' '
#include <netinet/in.h>
#include <linux/in6.h>
int main ( void ) { return 0 ; }
'' '
if not cc . compiles ( netinet_workaround_code )
conf . set ( 'NETINET_LINUX_WORKAROUND' , 1 )
endif
required_headers = [
'linux/param.h' ,
'linux/sockios.h' ,
'linux/if_bridge.h' ,
'linux/if_tun.h' ,
]
foreach name : required_headers
if not cc . has_header ( name )
error ( 'You must install kernel-headers in order to compile libvirt with QEMU or LXC support' )
endif
endforeach
endif
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# check various symbols
symbols = [
# Check whether endian provides handy macros.
[ 'endian.h' , 'htole64' ] ,
[ 'linux/ethtool.h' , 'ETH_FLAG_TXVLAN' ] ,
[ 'linux/ethtool.h' , 'ETH_FLAG_NTUPLE' ] ,
[ 'linux/ethtool.h' , 'ETH_FLAG_RXHASH' ] ,
[ 'linux/ethtool.h' , 'ETH_FLAG_LRO' ] ,
[ 'linux/ethtool.h' , 'ETHTOOL_GGSO' ] ,
[ 'linux/ethtool.h' , 'ETHTOOL_GGRO' ] ,
[ 'linux/ethtool.h' , 'ETHTOOL_GFLAGS' ] ,
[ 'linux/ethtool.h' , 'ETHTOOL_GFEATURES' ] ,
[ 'linux/ethtool.h' , 'ETHTOOL_SCOALESCE' ] ,
[ 'linux/ethtool.h' , 'ETHTOOL_GCOALESCE' ] ,
# GET_VLAN_VID_CMD is required for virNetDevGetVLanID
[ 'linux/if_vlan.h' , 'GET_VLAN_VID_CMD' ] ,
[ 'unistd.h' , 'SEEK_HOLE' ] ,
# GET_VLAN_VID_CMD is required for virNetDevGetVLanID
[ 'linux/if_vlan.h' , 'GET_VLAN_VID_CMD' ] ,
# Check for BSD approach for setting MAC addr
[ 'net/if_dl.h' , 'link_addr' ] ,
]
if host_machine . system ( ) == 'linux'
symbols + = [
# check for DEVLINK_CMD_ESWITCH_GET
# Assume DEVLINK_ESWITCH_MODE_SWITCHDEV is also available, as it was
# introudced in kernel 4.8 along with the original spelling of this
# constant (DEVLINK_CMD_ESWITCH_MODE_GET, not supported by libvirt).
[ 'linux/devlink.h' , 'DEVLINK_CMD_ESWITCH_GET' ] ,
# check for VHOST_VSOCK_SET_GUEST_CID
[ 'linux/vhost.h' , 'VHOST_VSOCK_SET_GUEST_CID' ] ,
# Check if we have new enough kernel to support BPF devices for cgroups v2
[ 'linux/bpf.h' , 'BPF_PROG_QUERY' ] ,
[ 'linux/bpf.h' , 'BPF_CGROUP_DEVICE' ] ,
]
endif
foreach symbol : symbols
if cc . has_header_symbol ( symbol [ 0 ] , symbol [ 1 ] , args : '-D_GNU_SOURCE' )
conf . set ( 'HAVE_DECL_@0@' . format ( symbol [ 1 ] . to_upper ( ) ) , 1 )
endif
endforeach
# Check for BSD approach for bridge management
if ( cc . has_header_symbol ( 'net/if_bridgevar.h' , 'BRDGSFD' ) and
cc . has_header_symbol ( 'net/if_bridgevar.h' , 'BRDGADD' ) and
cc . has_header_symbol ( 'net/if_bridgevar.h' , 'BRDGDEL' ) )
conf . set ( 'HAVE_BSD_BRIDGE_MGMT' , 1 )
endif
# Check for BSD CPU affinity availability
if cc . has_header_symbol ( 'sys/cpuset.h' , 'cpuset_getaffinity' )
conf . set ( 'HAVE_BSD_CPU_AFFINITY' , 1 )
endif
# whether Mach clock routines are available
if ( cc . has_header_symbol ( 'mach/clock.h' , 'clock_serv_t' ) and
cc . has_header_symbol ( 'mach/clock.h' , 'host_get_clock_service' ) and
cc . has_header_symbol ( 'mach/clock.h' , 'clock_get_time' ) )
conf . set ( 'HAVE_MACH_CLOCK_ROUTINES' , 1 )
endif
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# check various types
types = [
[ 'struct ifreq' , '#include <sys/socket.h>\n#include <net/if.h>' ] ,
[ 'struct sockpeercred' , '#include <sys/socket.h' ] ,
]
foreach type : types
if cc . has_type ( type [ 0 ] , prefix : type [ 1 ] )
name = type [ 0 ] . underscorify ( ) . to_upper ( )
conf . set ( 'HAVE_@0@' . format ( name ) , 1 )
endif
endforeach
if host_machine . system ( ) == 'windows'
uid_types = [
'uid_t' ,
'gid_t' ,
]
foreach type : uid_types
if not cc . has_type ( type , prefix : '#include <sys/types.h>' )
conf . set ( type , 'int' )
endif
endforeach
endif
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# check various members
members = [
# Check for Linux vs. BSD ifreq members
[ 'struct ifreq' , 'ifr_newname' , '#include <sys/socket.h>\n#include <net/if.h>' ] ,
[ 'struct ifreq' , 'ifr_ifindex' , '#include <sys/socket.h>\n#include <net/if.h>' ] ,
[ 'struct ifreq' , 'ifr_index' , '#include <sys/socket.h>\n#include <net/if.h>' ] ,
[ 'struct ifreq' , 'ifr_hwaddr' , '#include <sys/socket.h>\n#include <net/if.h>' ] ,
]
foreach member : members
if cc . has_member ( member [ 0 ] , member [ 1 ] , prefix : member [ 2 ] )
type = member [ 0 ] . underscorify ( ) . to_upper ( )
member = member [ 1 ] . underscorify ( ) . to_upper ( )
conf . set ( 'HAVE_@0@_@1@' . format ( type , member ) , 1 )
endif
endforeach
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# check various types sizeof
conf . set ( 'SIZEOF_LONG' , cc . sizeof ( 'long' ) )
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# Where we look for daemons and admin binaries during configure
libvirt_sbin_path = [
'/sbin' ,
'/usr/sbin' ,
'/usr/local/sbin' ,
]
# required programs check
required_programs = [
'perl' ,
'python3' ,
'xmllint' ,
'xsltproc' ,
]
required_programs_groups = [
{ 'name' : 'rpcgen' , 'prog' : [ 'rpcgen' , 'portable-rpcgen' ] } ,
# Drop the rst2html (aka HTML4) variants once we stop supporting Ubuntu 16.04 (Xenial)
{ 'name' : 'rst2html' , 'prog' : [ 'rst2html5' , 'rst2html5.py' , 'rst2html5-3' , 'rst2html' , 'rst2html.py' , 'rst2html-3' ] } ,
{ 'name' : 'rst2man' , 'prog' : [ 'rst2man' , 'rst2man.py' , 'rst2man-3' ] } ,
]
if host_machine . system ( ) == 'freebsd'
required_programs + = 'ifconfig'
endif
foreach name : required_programs
prog = find_program ( name , required : true , dirs : libvirt_sbin_path )
varname = name . underscorify ( )
conf . set_quoted ( varname . to_upper ( ) , prog . path ( ) )
set_variable ( '@0@_prog' . format ( varname ) , prog )
endforeach
foreach item : required_programs_groups
prog = find_program ( item . get ( 'prog' ) , required : true , dirs : libvirt_sbin_path )
varname = item . get ( 'name' ) . underscorify ( )
conf . set_quoted ( varname . to_upper ( ) , prog . path ( ) )
set_variable ( '@0@_prog' . format ( varname ) , prog )
endforeach
# optional programs
optional_programs = [
'addr2line' ,
'augparse' ,
'dmidecode' ,
'dnsmasq' ,
'ebtables' ,
'flake8' ,
'ip' ,
'ip6tables' ,
'iptables' ,
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'iscsiadm' ,
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'mdevctl' ,
'mm-ctl' ,
'modprobe' ,
'ovs-vsctl' ,
'radvd' ,
'rmmod' ,
'scrub' ,
'tc' ,
'udevadm' ,
]
foreach name : optional_programs
prog = find_program ( name , required : false , dirs : libvirt_sbin_path )
varname = name . underscorify ( )
if prog . found ( )
prog_path = prog . path ( )
else
prog_path = name
endif
conf . set_quoted ( varname . to_upper ( ) , prog_path )
conf . set_quoted ( '@0@_PATH' . format ( varname . to_upper ( ) ) , prog_path )
set_variable ( '@0@_prog' . format ( varname ) , prog )
endforeach
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# define top include directory
top_inc_dir = include_directories ( '.' )
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# include remaining subdirs
subdir ( 'scripts' )
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subdir ( 'include' )
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# generate meson-config.h file
configure_file ( output : 'meson-config.h' , configuration : conf )
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# print configuration summary
test_summary = {
'Coverage' : coverage_flags . length ( ) > 0 ,
}
summary ( test_summary , section : 'Test suite' , bool_yn : true )
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misc_summary = {
'Use -Werror' : cc_flags . contains ( '-Werror' ) ,
'Warning Flags' : supported_cc_flags ,
}
summary ( misc_summary , section : 'Miscellaneous' , bool_yn : true , list_sep : ' ' )