diff options
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 734 |
1 files changed, 504 insertions, 230 deletions
diff --git a/meson.build b/meson.build index b36124fdc4..0a5cdefd4d 100644 --- a/meson.build +++ b/meson.build @@ -1,4 +1,4 @@ -project('qemu', ['c'], meson_version: '>=0.61.3', +project('qemu', ['c'], meson_version: '>=0.63.0', default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto', 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'], version: files('VERSION')) @@ -17,11 +17,6 @@ fs = import('fs') targetos = host_machine.system() sh = find_program('sh') config_host = keyval.load(meson.current_build_dir() / 'config-host.mak') -enable_modules = 'CONFIG_MODULES' in config_host -enable_static = 'CONFIG_STATIC' in config_host - -# Allow both shared and static libraries unless --enable-static -static_kwargs = enable_static ? {'static': true} : {} cc = meson.get_compiler('c') all_languages = ['c'] @@ -88,6 +83,12 @@ have_ga = get_option('guest_agent') \ .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'], error_message: 'unsupported OS for QEMU guest agent') \ .allowed() +enable_modules = get_option('modules') \ + .require(targetos != 'windows', + error_message: 'Modules are not available for Windows') \ + .require(not get_option('prefer_static'), + error_message: 'Modules are incompatible with static linking') \ + .allowed() have_block = have_system or have_tools python = import('python').find_installation() @@ -189,14 +190,197 @@ endif # Compiler flags # ################## -qemu_cflags = config_host['QEMU_CFLAGS'].split() -qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split() -qemu_ldflags = config_host['QEMU_LDFLAGS'].split() +foreach lang : all_languages + compiler = meson.get_compiler(lang) + if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4') + # ok + elif compiler.get_id() == 'clang' and compiler.compiles(''' + #ifdef __apple_build_version__ + # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) + # error You need at least XCode Clang v12.0 to compile QEMU + # endif + #else + # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) + # error You need at least Clang v10.0 to compile QEMU + # endif + #endif''') + # ok + else + error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU') + endif +endforeach + +# default flags for all hosts +# We use -fwrapv to tell the compiler that we require a C dialect where +# left shift of signed integers is well defined and has the expected +# 2s-complement style results. (Both clang and gcc agree that it +# provides these semantics.) + +qemu_common_flags = [ + '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE', + '-fno-strict-aliasing', '-fno-common', '-fwrapv' ] +qemu_cflags = [] +qemu_ldflags = [] + +if targetos == 'darwin' + # Disable attempts to use ObjectiveC features in os/object.h since they + # won't work when we're compiling with gcc as a C compiler. + qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0' +elif targetos == 'solaris' + # needed for CMSG_ macros in sys/socket.h + qemu_common_flags += '-D_XOPEN_SOURCE=600' + # needed for TIOCWIN* defines in termios.h + qemu_common_flags += '-D__EXTENSIONS__' +elif targetos == 'haiku' + qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC'] +endif + +# __sync_fetch_and_and requires at least -march=i486. Many toolchains +# use i686 as default anyway, but for those that don't, an explicit +# specification is necessary +if host_arch == 'i386' and not cc.links(''' + static int sfaa(int *ptr) + { + return __sync_fetch_and_and(ptr, 0); + } + + int main(void) + { + int val = 42; + val = __sync_val_compare_and_swap(&val, 0, 1); + sfaa(&val); + return val; + }''') + qemu_common_flags = ['-march=i486'] + qemu_common_flags +endif + +if get_option('gprof') + qemu_common_flags += ['-p'] + qemu_ldflags += ['-p'] +endif -if enable_static +if get_option('prefer_static') qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static' endif +# Meson currently only handles pie as a boolean for now, so if the user +# has explicitly disabled PIE we need to extend our cflags. +if not get_option('b_pie') + qemu_common_flags += cc.get_supported_arguments('-fno-pie') + if not get_option('prefer_static') + # No PIE is implied by -static which we added above. + qemu_ldflags += cc.get_supported_link_arguments('-no-pie') + endif +endif + +if not get_option('stack_protector').disabled() + stack_protector_probe = ''' + int main(int argc, char *argv[]) + { + char arr[64], *p = arr, *c = argv[argc - 1]; + while (*c) { + *p++ = *c++; + } + return 0; + }''' + have_stack_protector = false + foreach arg : ['-fstack-protector-strong', '-fstack-protector-all'] + # We need to check both a compile and a link, since some compiler + # setups fail only on a .c->.o compile and some only at link time + if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \ + cc.links(stack_protector_probe, args: ['-Werror', arg]) + have_stack_protector = true + qemu_cflags += arg + qemu_ldflags += arg + break + endif + endforeach + get_option('stack_protector') \ + .require(have_stack_protector, error_message: 'Stack protector not supported') +endif + +coroutine_backend = get_option('coroutine_backend') +ucontext_probe = ''' + #include <ucontext.h> + #ifdef __stub_makecontext + #error Ignoring glibc stub makecontext which will always fail + #endif + int main(void) { makecontext(0, 0, 0); return 0; }''' + +# On Windows the only valid backend is the Windows specific one. +# For POSIX prefer ucontext, but it's not always possible. The fallback +# is sigcontext. +supported_backends = [] +if targetos == 'windows' + supported_backends += ['windows'] +else + if targetos != 'darwin' and cc.links(ucontext_probe) + supported_backends += ['ucontext'] + endif + supported_backends += ['sigaltstack'] +endif + +if coroutine_backend == 'auto' + coroutine_backend = supported_backends[0] +elif coroutine_backend not in supported_backends + error('"@0@" backend requested but not available. Available backends: @1@' \ + .format(coroutine_backend, ', '.join(supported_backends))) +endif + +# Compiles if SafeStack *not* enabled +safe_stack_probe = ''' + int main(void) + { + #if defined(__has_feature) + #if __has_feature(safe_stack) + #error SafeStack Enabled + #endif + #endif + return 0; + }''' +if get_option('safe_stack') != not cc.compiles(safe_stack_probe) + safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack' + if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg) + error(get_option('safe_stack') \ + ? 'SafeStack not supported by your compiler' \ + : 'Cannot disable SafeStack') + endif + qemu_cflags += safe_stack_arg + qemu_ldflags += safe_stack_arg +endif +if get_option('safe_stack') and coroutine_backend != 'ucontext' + error('SafeStack is only supported with the ucontext coroutine backend') +endif + +if get_option('sanitizers') + if cc.has_argument('-fsanitize=address') + qemu_cflags = ['-fsanitize=address'] + qemu_cflags + qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags + endif + + # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 + if cc.links('int main(int argc, char **argv) { return argc + 1; }', + args: [qemu_ldflags, '-fsanitize=undefined']) + qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags + qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags + endif +endif + +# Thread sanitizer is, for now, much noisier than the other sanitizers; +# keep it separate until that is not the case. +if get_option('tsan') + if get_option('sanitizers') + error('TSAN is not supported with other sanitizers') + endif + if not cc.has_function('__tsan_create_fiber', + args: '-fsanitize=thread', + prefix: '#include <sanitizer/tsan_interface.h>') + error('Cannot enable TSAN due to missing fiber annotation interface') + endif + qemu_cflags = ['-fsanitize=thread'] + qemu_cflags + qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags +endif + # Detect support for PT_GNU_RELRO + DT_BIND_NOW. # The combination is known as "full relro", because .got.plt is read-only too. qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now') @@ -206,10 +390,9 @@ if targetos == 'windows' qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va') endif -if get_option('gprof') - qemu_cflags += ['-p'] - qemu_objcflags += ['-p'] - qemu_ldflags += ['-p'] +# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. +if targetos != 'sunos' and not get_option('tsan') + qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common') endif # Specify linker-script with add_project_link_arguments so that it is not placed @@ -225,8 +408,7 @@ if get_option('fuzzing') name: '-fsanitize-coverage-allowlist=/dev/null', args: ['-fsanitize-coverage-allowlist=/dev/null', '-fsanitize-coverage=trace-pc'] ) - add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter', - native: false, language: all_languages) + qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter'] endif if get_option('fuzzing_engine') == '' @@ -234,10 +416,8 @@ if get_option('fuzzing') # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be # unable to bind the fuzzer-related callbacks added by instrumentation. - add_global_arguments('-fsanitize=fuzzer-no-link', - native: false, language: all_languages) - add_global_link_arguments('-fsanitize=fuzzer-no-link', - native: false, language: all_languages) + qemu_common_flags += ['-fsanitize=fuzzer-no-link'] + qemu_ldflags += ['-fsanitize=fuzzer-no-link'] # For the actual fuzzer binaries, we need to link against the libfuzzer # library. They need to be configurable, to support OSS-Fuzz fuzz_exe_ldflags = ['-fsanitize=fuzzer'] @@ -248,20 +428,50 @@ if get_option('fuzzing') endif endif +add_global_arguments(qemu_common_flags, native: false, language: all_languages) +add_global_link_arguments(qemu_ldflags, native: false, language: all_languages) + +# Collect warnings that we want to enable + +warn_flags = [ + '-Wundef', + '-Wwrite-strings', + '-Wmissing-prototypes', + '-Wstrict-prototypes', + '-Wredundant-decls', + '-Wold-style-declaration', + '-Wold-style-definition', + '-Wtype-limits', + '-Wformat-security', + '-Wformat-y2k', + '-Winit-self', + '-Wignored-qualifiers', + '-Wempty-body', + '-Wnested-externs', + '-Wendif-labels', + '-Wexpansion-to-defined', + '-Wimplicit-fallthrough=2', + '-Wmissing-format-attribute', + '-Wno-initializer-overrides', + '-Wno-missing-include-dirs', + '-Wno-shift-negative-value', + '-Wno-string-plus-int', + '-Wno-typedef-redefinition', + '-Wno-tautological-type-limit-compare', + '-Wno-psabi', + '-Wno-gnu-variable-sized-type-not-at-end', +] + +if targetos != 'darwin' + warn_flags += ['-Wthread-safety'] +endif + # Check that the C++ compiler exists and works with the C compiler. link_language = 'c' linker = cc qemu_cxxflags = [] if 'cpp' in all_languages - add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'], - native: false, language: 'cpp') - foreach k: qemu_cflags - if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs', - '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls'] - qemu_cxxflags += [k] - endif - endforeach - + qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags if cxx.links(files('scripts/main.c'), args: qemu_cflags) link_language = 'cpp' linker = cxx @@ -271,16 +481,26 @@ if 'cpp' in all_languages endif endif -# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. -if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN') - qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common') +# clang does not support glibc + FORTIFY_SOURCE (is it still true?) +if get_option('optimization') != '0' and targetos == 'linux' + if cc.get_id() == 'gcc' + qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2'] + endif + if 'cpp' in all_languages and cxx.get_id() == 'gcc' + qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2'] + endif endif -add_global_link_arguments(qemu_ldflags, native: false, language: all_languages) - -add_global_arguments(qemu_cflags, native: false, language: 'c') -add_global_arguments(qemu_cxxflags, native: false, language: 'cpp') -add_global_arguments(qemu_objcflags, native: false, language: 'objc') +add_project_arguments(qemu_cflags, native: false, language: 'c') +add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c') +if 'cpp' in all_languages + add_project_arguments(qemu_cxxflags, native: false, language: 'cpp') + add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp') +endif +if 'objc' in all_languages + # Note sanitizer flags are not applied to Objective-C sources! + add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc') +endif if targetos == 'linux' add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers', '-isystem', 'linux-headers', @@ -496,29 +716,85 @@ 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(), - native: false, language: all_languages) -glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(), - link_args: config_host['GLIB_LIBS'].split(), - version: config_host['GLIB_VERSION'], - variables: { - 'bindir': config_host['GLIB_BINDIR'], - }) -# override glib dep with the configure results (for subprojects) -meson.override_dependency('glib-2.0', glib) -# pass down whether Glib has the slice allocator -if config_host.has_key('HAVE_GLIB_WITH_SLICE_ALLOCATOR') - config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', true) +# When bumping glib minimum version, please check also whether to increase +# the _WIN32_WINNT setting in osdep.h according to the value from glib +glib_req_ver = '>=2.56.0' +glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true, + method: 'pkg-config') +glib_cflags = [] +if enable_modules + gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true, + method: 'pkg-config') +elif config_host.has_key('CONFIG_PLUGIN') + gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true, + method: 'pkg-config') +else + gmodule = not_found +endif + +# This workaround is required due to a bug in pkg-config file for glib as it +# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static +if targetos == 'windows' and get_option('prefer_static') + glib_cflags += ['-DGLIB_STATIC_COMPILATION'] endif +# Sanity check that the current size_t matches the +# size that glib thinks it should be. This catches +# problems on multi-arch where people try to build +# 32-bit QEMU while pointing at 64-bit glib headers + +if not cc.compiles(''' + #include <glib.h> + #include <unistd.h> + + #define QEMU_BUILD_BUG_ON(x) \ + typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); + + int main(void) { + QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); + return 0; + }''', dependencies: glib_pc, args: glib_cflags) + error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. + You probably need to set PKG_CONFIG_LIBDIR" to point + to the right pkg-config files for your build target.''') +endif + +# Silence clang warnings triggered by glib < 2.57.2 +if not cc.compiles(''' + #include <glib.h> + typedef struct Foo { + int i; + } Foo; + static void foo_free(Foo *f) + { + g_free(f); + } + G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) + int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Werror']) + glib_cflags += cc.get_supported_arguments('-Wno-unused-function') +endif +glib = declare_dependency(dependencies: [glib_pc, gmodule], + compile_args: glib_cflags, + version: glib_pc.version()) + +# Check whether glib has gslice, which we have to avoid for correctness. +# TODO: remove this check and the corresponding workaround (qtree) when +# the minimum supported glib is >= 2.75.3 +glib_has_gslice = glib.version().version_compare('<2.75.3') + +# override glib dep to include the above refinements +meson.override_dependency('glib-2.0', glib) + +# The path to glib.h is added to all compilation commands. +add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true), + native: false, language: all_languages) + gio = not_found gdbus_codegen = not_found gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio' if not get_option('gio').auto() or have_system gio = dependency('gio-2.0', required: get_option('gio'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') if gio.found() and not cc.links(''' #include <gio/gio.h> int main(void) @@ -535,7 +811,7 @@ if not get_option('gio').auto() or have_system gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'), required: get_option('gio')) gio_unix = dependency('gio-unix-2.0', required: get_option('gio'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') gio = declare_dependency(dependencies: [gio, gio_unix], version: gio.version()) endif @@ -548,20 +824,19 @@ endif lttng = not_found if 'ust' in get_option('trace_backends') lttng = dependency('lttng-ust', required: true, version: '>= 2.1', - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif pixman = not_found if have_system or have_tools pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8', - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif -zlib = dependency('zlib', required: true, kwargs: static_kwargs) +zlib = dependency('zlib', required: true) libaio = not_found if not get_option('linux_aio').auto() or have_block libaio = cc.find_library('aio', has_headers: ['libaio.h'], - required: get_option('linux_aio'), - kwargs: static_kwargs) + required: get_option('linux_aio')) endif linux_io_uring_test = ''' @@ -574,7 +849,7 @@ linux_io_uring = not_found if not get_option('linux_io_uring').auto() or have_block linux_io_uring = dependency('liburing', version: '>=0.3', required: get_option('linux_io_uring'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') if not cc.links(linux_io_uring_test) linux_io_uring = not_found endif @@ -584,7 +859,7 @@ libnfs = not_found if not get_option('libnfs').auto() or have_block libnfs = dependency('libnfs', version: '>=1.9.3', required: get_option('libnfs'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif libattr_test = ''' @@ -604,8 +879,7 @@ if get_option('attr').allowed() libattr = declare_dependency() else libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'], - required: get_option('attr'), - kwargs: static_kwargs) + required: get_option('attr')) if libattr.found() and not \ cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR') libattr = not_found @@ -640,7 +914,7 @@ seccomp_has_sysrawrc = false if not get_option('seccomp').auto() or have_system or have_tools seccomp = dependency('libseccomp', version: '>=2.3.0', required: get_option('seccomp'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') if seccomp.found() seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h', 'SCMP_FLTATR_API_SYSRAWRC', @@ -651,8 +925,7 @@ endif libcap_ng = not_found if not get_option('cap_ng').auto() or have_system or have_tools libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'], - required: get_option('cap_ng'), - kwargs: static_kwargs) + required: get_option('cap_ng')) endif if libcap_ng.found() and not cc.links(''' #include <cap-ng.h> @@ -673,13 +946,13 @@ if get_option('xkbcommon').auto() and not have_system and not have_tools xkbcommon = not_found else xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif slirp = not_found if not get_option('slirp').auto() or have_system slirp = dependency('slirp', required: get_option('slirp'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') # slirp < 4.7 is incompatible with CFI support in QEMU. This is because # it passes function pointers within libslirp as callbacks for timers. # When using a system-wide shared libslirp, the type information for the @@ -699,8 +972,7 @@ endif vde = not_found if not get_option('vde').auto() or have_system or have_tools vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'], - required: get_option('vde'), - kwargs: static_kwargs) + required: get_option('vde')) endif if vde.found() and not cc.links(''' #include <libvdeplug.h> @@ -722,41 +994,41 @@ endif pulse = not_found if not get_option('pa').auto() or (targetos == 'linux' and have_system) pulse = dependency('libpulse', required: get_option('pa'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif alsa = not_found if not get_option('alsa').auto() or (targetos == 'linux' and have_system) alsa = dependency('alsa', required: get_option('alsa'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif jack = not_found if not get_option('jack').auto() or have_system jack = dependency('jack', required: get_option('jack'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif pipewire = not_found if not get_option('pipewire').auto() or (targetos == 'linux' and have_system) pipewire = dependency('libpipewire-0.3', version: '>=0.3.60', required: get_option('pipewire'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif sndio = not_found if not get_option('sndio').auto() or have_system sndio = dependency('sndio', required: get_option('sndio'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif spice_protocol = not_found if not get_option('spice_protocol').auto() or have_system spice_protocol = dependency('spice-protocol', version: '>=0.14.0', required: get_option('spice_protocol'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif spice = not_found if not get_option('spice').auto() or have_system spice = dependency('spice-server', version: '>=0.14.0', required: get_option('spice'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif spice_headers = spice.partial_dependency(compile_args: true, includes: true) @@ -766,13 +1038,13 @@ libiscsi = not_found if not get_option('libiscsi').auto() or have_block libiscsi = dependency('libiscsi', version: '>=1.9.0', required: get_option('libiscsi'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif zstd = not_found if not get_option('zstd').auto() or have_block zstd = dependency('libzstd', version: '>=1.4.0', required: get_option('zstd'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif virgl = not_found @@ -780,29 +1052,25 @@ have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found() if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu virgl = dependency('virglrenderer', method: 'pkg-config', - required: get_option('virglrenderer'), - kwargs: static_kwargs) + required: get_option('virglrenderer')) endif blkio = not_found if not get_option('blkio').auto() or have_block blkio = dependency('blkio', method: 'pkg-config', - required: get_option('blkio'), - kwargs: static_kwargs) + required: get_option('blkio')) endif curl = not_found if not get_option('curl').auto() or have_block curl = dependency('libcurl', version: '>=7.29.0', method: 'pkg-config', - required: get_option('curl'), - kwargs: static_kwargs) + required: get_option('curl')) endif libudev = not_found if targetos == 'linux' and (have_system or have_tools) libudev = dependency('libudev', method: 'pkg-config', - required: get_option('libudev'), - kwargs: static_kwargs) + required: get_option('libudev')) endif mpathlibs = [libudev] @@ -837,18 +1105,15 @@ if targetos == 'linux' and have_tools and get_option('mpath').allowed() return 0; }''' libmpathpersist = cc.find_library('mpathpersist', - required: get_option('mpath'), - kwargs: static_kwargs) + required: get_option('mpath')) if libmpathpersist.found() mpathlibs += libmpathpersist - if enable_static + if get_option('prefer_static') mpathlibs += cc.find_library('devmapper', - required: get_option('mpath'), - kwargs: static_kwargs) + required: get_option('mpath')) endif mpathlibs += cc.find_library('multipath', - required: get_option('mpath'), - kwargs: static_kwargs) + required: get_option('mpath')) foreach lib: mpathlibs if not lib.found() mpathlibs = [] @@ -898,13 +1163,13 @@ if have_system and get_option('curses').allowed() curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw'] curses = dependency(curses_dep_list, required: false, - method: 'pkg-config', - kwargs: static_kwargs) + method: 'pkg-config') msg = get_option('curses').enabled() ? 'curses library not found' : '' curses_compile_args = ['-DNCURSES_WIDECHAR=1'] if curses.found() if cc.links(curses_test, args: curses_compile_args, dependencies: [curses]) - curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses]) + curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses], + version: curses.version()) else msg = 'curses package not usable' curses = not_found @@ -921,8 +1186,7 @@ if have_system and get_option('curses').allowed() curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw']) foreach curses_libname : curses_libname_list libcurses = cc.find_library(curses_libname, - required: false, - kwargs: static_kwargs) + required: false) if libcurses.found() if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses) curses = declare_dependency(compile_args: curses_compile_args, @@ -947,7 +1211,7 @@ if have_system and get_option('curses').allowed() int main(void) { iconv_t conv = iconv_open("WCHAR_T", "UCS-2"); return conv != (iconv_t) -1; - }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args) + }''', args: link_args, dependencies: glib) iconv = declare_dependency(link_args: link_args, dependencies: glib) break endif @@ -972,8 +1236,7 @@ endif brlapi = not_found if not get_option('brlapi').auto() or have_system brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'], - required: get_option('brlapi'), - kwargs: static_kwargs) + required: get_option('brlapi')) if brlapi.found() and not cc.links(''' #include <brlapi.h> #include <stddef.h> @@ -989,15 +1252,16 @@ endif sdl = not_found if not get_option('sdl').auto() or have_system - sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs) + sdl = dependency('sdl2', required: get_option('sdl')) sdl_image = not_found endif if sdl.found() # work around 2.0.8 bug sdl = declare_dependency(compile_args: '-Wno-undef', - dependencies: sdl) + dependencies: sdl, + version: sdl.version()) sdl_image = dependency('SDL2_image', required: get_option('sdl_image'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') else if get_option('sdl_image').enabled() error('sdl-image required, but SDL was @0@'.format( @@ -1008,11 +1272,9 @@ endif rbd = not_found if not get_option('rbd').auto() or have_block - librados = cc.find_library('rados', required: get_option('rbd'), - kwargs: static_kwargs) + librados = cc.find_library('rados', required: get_option('rbd')) librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'], - required: get_option('rbd'), - kwargs: static_kwargs) + required: get_option('rbd')) if librados.found() and librbd.found() if cc.links(''' #include <stdio.h> @@ -1040,7 +1302,7 @@ glusterfs_iocb_has_stat = false if not get_option('glusterfs').auto() or have_block glusterfs = dependency('glusterfs-api', version: '>=3', required: get_option('glusterfs'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') if glusterfs.found() glusterfs_ftruncate_has_stat = cc.links(''' #include <glusterfs/api/glfs.h> @@ -1075,15 +1337,13 @@ libssh = not_found if not get_option('libssh').auto() or have_block libssh = dependency('libssh', version: '>=0.8.7', method: 'pkg-config', - required: get_option('libssh'), - kwargs: static_kwargs) + required: get_option('libssh')) endif libbzip2 = not_found if not get_option('bzip2').auto() or have_block libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'], - required: get_option('bzip2'), - kwargs: static_kwargs) + required: get_option('bzip2')) if libbzip2.found() and not cc.links(''' #include <bzlib.h> int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2) @@ -1099,8 +1359,7 @@ endif liblzfse = not_found if not get_option('lzfse').auto() or have_block liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'], - required: get_option('lzfse'), - kwargs: static_kwargs) + required: get_option('lzfse')) endif if liblzfse.found() and not cc.links(''' #include <lzfse.h> @@ -1118,8 +1377,7 @@ if get_option('oss').allowed() and have_system if not cc.has_header('sys/soundcard.h') # not found elif targetos == 'netbsd' - oss = cc.find_library('ossaudio', required: get_option('oss'), - kwargs: static_kwargs) + oss = cc.find_library('ossaudio', required: get_option('oss')) else oss = declare_dependency() endif @@ -1152,7 +1410,7 @@ endif opengl = not_found if not get_option('opengl').auto() or have_system or have_vhost_user_gpu epoxy = dependency('epoxy', method: 'pkg-config', - required: get_option('opengl'), kwargs: static_kwargs) + required: get_option('opengl')) if cc.has_header('epoxy/egl.h', dependencies: epoxy) opengl = epoxy elif get_option('opengl').enabled() @@ -1161,8 +1419,7 @@ if not get_option('opengl').auto() or have_system or have_vhost_user_gpu endif gbm = not_found if (have_system or have_tools) and (virgl.found() or opengl.found()) - gbm = dependency('gbm', method: 'pkg-config', required: false, - kwargs: static_kwargs) + gbm = dependency('gbm', method: 'pkg-config', required: false) endif have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found() @@ -1184,16 +1441,14 @@ if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_syste # the platform support requirements gnutls_crypto = dependency('gnutls', version: '>=3.6.14', method: 'pkg-config', - required: false, - kwargs: static_kwargs) + required: false) if gnutls_crypto.found() gnutls = gnutls_crypto else # Our min version if all we need is TLS gnutls = dependency('gnutls', version: '>=3.5.18', method: 'pkg-config', - required: get_option('gnutls'), - kwargs: static_kwargs) + required: get_option('gnutls')) endif endif @@ -1220,34 +1475,32 @@ if not gnutls_crypto.found() if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled() gcrypt = dependency('libgcrypt', version: '>=1.8', method: 'config-tool', - required: get_option('gcrypt'), - kwargs: static_kwargs) + required: get_option('gcrypt')) # Debian has removed -lgpg-error from libgcrypt-config # as it "spreads unnecessary dependencies" which in # turn breaks static builds... - if gcrypt.found() and enable_static - gcrypt = declare_dependency(dependencies: [ - gcrypt, - cc.find_library('gpg-error', required: true, kwargs: static_kwargs)]) + if gcrypt.found() and get_option('prefer_static') + gcrypt = declare_dependency(dependencies: + [gcrypt, + cc.find_library('gpg-error', required: true)], + version: gcrypt.version()) endif endif if (not get_option('nettle').auto() or have_system) and not gcrypt.found() nettle = dependency('nettle', version: '>=3.4', method: 'pkg-config', - required: get_option('nettle'), - kwargs: static_kwargs) + required: get_option('nettle')) if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle) xts = 'private' endif endif endif -gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs) +gmp = dependency('gmp', required: false, method: 'pkg-config') if nettle.found() and gmp.found() hogweed = dependency('hogweed', version: '>=3.4', method: 'pkg-config', - required: get_option('nettle'), - kwargs: static_kwargs) + required: get_option('nettle')) endif @@ -1259,20 +1512,18 @@ have_gtk_clipboard = get_option('gtk_clipboard').enabled() if not get_option('gtk').auto() or have_system gtk = dependency('gtk+-3.0', version: '>=3.22.0', method: 'pkg-config', - required: get_option('gtk'), - kwargs: static_kwargs) + required: get_option('gtk')) if gtk.found() gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0', method: 'pkg-config', - required: false, - kwargs: static_kwargs) - gtk = declare_dependency(dependencies: [gtk, gtkx11]) + required: false) + gtk = declare_dependency(dependencies: [gtk, gtkx11], + version: gtk.version()) if not get_option('vte').auto() or have_system vte = dependency('vte-2.91', method: 'pkg-config', - required: get_option('vte'), - kwargs: static_kwargs) + required: get_option('vte')) endif elif have_gtk_clipboard error('GTK clipboard requested, but GTK not found') @@ -1281,13 +1532,12 @@ endif x11 = not_found if gtkx11.found() - x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(), - kwargs: static_kwargs) + x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found()) endif png = not_found if get_option('png').allowed() and have_system png = dependency('libpng', version: '>=1.6.34', required: get_option('png'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif vnc = not_found jpeg = not_found @@ -1295,10 +1545,9 @@ sasl = not_found if get_option('vnc').allowed() and have_system vnc = declare_dependency() # dummy dependency jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'], - required: get_option('vnc_sasl'), - kwargs: static_kwargs) + required: get_option('vnc_sasl')) if sasl.found() sasl = declare_dependency(dependencies: sasl, compile_args: '-DSTRUCT_IOVEC_DEFINED') @@ -1308,8 +1557,7 @@ endif pam = not_found if not get_option('auth_pam').auto() or have_system pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'], - required: get_option('auth_pam'), - kwargs: static_kwargs) + required: get_option('auth_pam')) endif if pam.found() and not cc.links(''' #include <stddef.h> @@ -1333,8 +1581,7 @@ endif snappy = not_found if not get_option('snappy').auto() or have_system snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'], - required: get_option('snappy'), - kwargs: static_kwargs) + required: get_option('snappy')) endif if snappy.found() and not linker.links(''' #include <snappy-c.h> @@ -1350,8 +1597,7 @@ endif lzo = not_found if not get_option('lzo').auto() or have_system lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'], - required: get_option('lzo'), - kwargs: static_kwargs) + required: get_option('lzo')) endif if lzo.found() and not cc.links(''' #include <lzo/lzo1x.h> @@ -1367,8 +1613,7 @@ endif numa = not_found if not get_option('numa').auto() or have_system or have_tools numa = cc.find_library('numa', has_headers: ['numa.h'], - required: get_option('numa'), - kwargs: static_kwargs) + required: get_option('numa')) endif if numa.found() and not cc.links(''' #include <numa.h> @@ -1386,10 +1631,8 @@ rdma = not_found if not get_option('rdma').auto() or have_system libumad = cc.find_library('ibumad', required: get_option('rdma')) rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'], - required: get_option('rdma'), - kwargs: static_kwargs), - cc.find_library('ibverbs', required: get_option('rdma'), - kwargs: static_kwargs), + required: get_option('rdma')), + cc.find_library('ibverbs', required: get_option('rdma')), libumad] rdma = declare_dependency(dependencies: rdma_libs) foreach lib: rdma_libs @@ -1402,30 +1645,30 @@ endif xen = not_found if get_option('xen').enabled() or (get_option('xen').auto() and have_system) xencontrol = dependency('xencontrol', required: false, - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') if xencontrol.found() xen_pc = declare_dependency(version: xencontrol.version(), dependencies: [ xencontrol, # disabler: true makes xen_pc.found() return false if any is not found dependency('xenstore', required: false, - method: 'pkg-config', kwargs: static_kwargs, + method: 'pkg-config', disabler: true), dependency('xenforeignmemory', required: false, - method: 'pkg-config', kwargs: static_kwargs, + method: 'pkg-config', disabler: true), dependency('xengnttab', required: false, - method: 'pkg-config', kwargs: static_kwargs, + method: 'pkg-config', disabler: true), dependency('xenevtchn', required: false, - method: 'pkg-config', kwargs: static_kwargs, + method: 'pkg-config', disabler: true), dependency('xendevicemodel', required: false, - method: 'pkg-config', kwargs: static_kwargs, + method: 'pkg-config', disabler: true), # optional, no "disabler: true" dependency('xentoolcore', required: false, - method: 'pkg-config', kwargs: static_kwargs)]) + method: 'pkg-config')]) if xen_pc.found() xen = xen_pc endif @@ -1483,60 +1726,53 @@ have_xen_pci_passthrough = get_option('xen_pci_passthrough') \ cacard = not_found if not get_option('smartcard').auto() or have_system cacard = dependency('libcacard', required: get_option('smartcard'), - version: '>=2.5.1', method: 'pkg-config', - kwargs: static_kwargs) + version: '>=2.5.1', method: 'pkg-config') endif u2f = not_found if have_system u2f = dependency('u2f-emu', required: get_option('u2f'), - method: 'pkg-config', - kwargs: static_kwargs) + method: 'pkg-config') endif canokey = not_found if have_system canokey = dependency('canokey-qemu', required: get_option('canokey'), - method: 'pkg-config', - kwargs: static_kwargs) + method: 'pkg-config') endif usbredir = not_found if not get_option('usb_redir').auto() or have_system usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'), - version: '>=0.6', method: 'pkg-config', - kwargs: static_kwargs) + version: '>=0.6', method: 'pkg-config') endif libusb = not_found if not get_option('libusb').auto() or have_system libusb = dependency('libusb-1.0', required: get_option('libusb'), - version: '>=1.0.13', method: 'pkg-config', - kwargs: static_kwargs) + version: '>=1.0.13', method: 'pkg-config') endif libpmem = not_found if not get_option('libpmem').auto() or have_system libpmem = dependency('libpmem', required: get_option('libpmem'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') endif libdaxctl = not_found if not get_option('libdaxctl').auto() or have_system libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'), - version: '>=57', method: 'pkg-config', - kwargs: static_kwargs) + version: '>=57', method: 'pkg-config') endif tasn1 = not_found if gnutls.found() tasn1 = dependency('libtasn1', - method: 'pkg-config', - kwargs: static_kwargs) + method: 'pkg-config') endif keyutils = dependency('libkeyutils', required: false, - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') has_gettid = cc.has_function('gettid') # libselinux selinux = dependency('libselinux', required: get_option('selinux'), - method: 'pkg-config', kwargs: static_kwargs) + method: 'pkg-config') # Malloc tests @@ -1600,8 +1836,7 @@ if get_option('fuse').disabled() and get_option('fuse_lseek').enabled() endif fuse = dependency('fuse3', required: get_option('fuse'), - version: '>=3.1', method: 'pkg-config', - kwargs: static_kwargs) + version: '>=3.1', method: 'pkg-config') fuse_lseek = not_found if get_option('fuse_lseek').allowed() @@ -1657,10 +1892,9 @@ endif # libdw libdw = not_found if not get_option('libdw').auto() or \ - (not enable_static and (have_system or have_user)) + (not get_option('prefer_static') and (have_system or have_user)) libdw = dependency('libdw', method: 'pkg-config', - kwargs: static_kwargs, required: get_option('libdw')) endif @@ -1715,7 +1949,7 @@ if get_option('cfi') if not get_option('b_lto') error('Selected Control-Flow Integrity but LTO is disabled') endif - if config_host.has_key('CONFIG_MODULES') + if enable_modules error('Selected Control-Flow Integrity is not compatible with modules') endif # Check for cfi flags. CFI requires LTO so we can't use @@ -1766,12 +2000,17 @@ have_virtfs = get_option('virtfs') \ error_message: 'virtio-9p (virtfs) requires Linux or macOS') \ .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'), error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \ - .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()), - error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \ + .require(targetos == 'darwin' or libattr.found(), + error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \ .disable_auto_if(not have_tools and not have_system) \ .allowed() -have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools +have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \ + .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \ + .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \ + .disable_auto_if(not have_tools) \ + .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \ + .allowed() if get_option('block_drv_ro_whitelist') == '' config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '') @@ -1813,7 +2052,7 @@ config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir) config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir')) -if config_host.has_key('CONFIG_MODULES') +if enable_modules config_host_data.set('CONFIG_STAMP', run_command( meson.current_source_dir() / 'scripts/qemu-stamp.py', meson.project_version(), get_option('pkgversion'), '--', @@ -1877,6 +2116,7 @@ config_host_data.set('CONFIG_LIBSSH', libssh.found()) config_host_data.set('CONFIG_LINUX_AIO', libaio.found()) config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found()) config_host_data.set('CONFIG_LIBPMEM', libpmem.found()) +config_host_data.set('CONFIG_MODULES', enable_modules) config_host_data.set('CONFIG_NUMA', numa.found()) if numa.found() config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY', @@ -1887,6 +2127,7 @@ config_host_data.set('CONFIG_OPENGL', opengl.found()) config_host_data.set('CONFIG_PROFILER', get_option('profiler')) config_host_data.set('CONFIG_RBD', rbd.found()) config_host_data.set('CONFIG_RDMA', rdma.found()) +config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack')) config_host_data.set('CONFIG_SDL', sdl.found()) config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found()) config_host_data.set('CONFIG_SECCOMP', seccomp.found()) @@ -1895,6 +2136,7 @@ if seccomp.found() endif config_host_data.set('CONFIG_SNAPPY', snappy.found()) config_host_data.set('CONFIG_TPM', have_tpm) +config_host_data.set('CONFIG_TSAN', get_option('tsan')) config_host_data.set('CONFIG_USB_LIBUSB', libusb.found()) config_host_data.set('CONFIG_VDE', vde.found()) config_host_data.set('CONFIG_VHOST_NET', have_vhost_net) @@ -2009,6 +2251,7 @@ config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range' config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create')) config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range')) config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs')) +config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice) config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util)) config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul')) config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>')) @@ -2025,7 +2268,21 @@ if rdma.found() prefix: '#include <infiniband/verbs.h>')) endif +have_asan_fiber = false +if get_option('sanitizers') and \ + not cc.has_function('__sanitizer_start_switch_fiber', + args: '-fsanitize=address', + prefix: '#include <sanitizer/asan_interface.h>') + warning('Missing ASAN due to missing fiber annotation interface') + warning('Without code annotation, the report may be inferior.') +else + have_asan_fiber = true +endif +config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber) + # has_header_symbol +config_host_data.set('CONFIG_BLKZONED', + cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE')) config_host_data.set('CONFIG_EPOLL_CREATE1', cc.has_header_symbol('sys/epoll.h', 'epoll_create1')) config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE', @@ -2061,6 +2318,9 @@ config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID', config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM', cc.has_member('struct stat', 'st_atim', prefix: '#include <sys/stat.h>')) +config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY', + cc.has_member('struct blk_zone', 'capacity', + prefix: '#include <linux/blkzoned.h>')) # has_type config_host_data.set('CONFIG_IOVEC', @@ -2250,23 +2510,21 @@ config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles(''' return printf("%zu", SIZE_MAX); }''', args: ['-Werror'])) -atomic_test = ''' +# See if 64-bit atomic operations are supported. +# Note that without __atomic builtins, we can only +# assume atomic loads/stores max at pointer size. +config_host_data.set('CONFIG_ATOMIC64', cc.links(''' #include <stdint.h> int main(void) { - @0@ x = 0, y = 0; + uint64_t x = 0, y = 0; y = __atomic_load_n(&x, __ATOMIC_RELAXED); __atomic_store_n(&x, y, __ATOMIC_RELAXED); __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); return 0; - }''' - -# See if 64-bit atomic operations are supported. -# Note that without __atomic builtins, we can only -# assume atomic loads/stores max at pointer size. -config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t'))) + }''')) has_int128 = cc.links(''' __int128_t a; @@ -2284,21 +2542,39 @@ if has_int128 # "do we have 128-bit atomics which are handled inline and specifically not # via libatomic". The reason we can't use libatomic is documented in the # comment starting "GCC is a house divided" in include/qemu/atomic128.h. - has_atomic128 = cc.links(atomic_test.format('unsigned __int128')) + # We only care about these operations on 16-byte aligned pointers, so + # force 16-byte alignment of the pointer, which may be greater than + # __alignof(unsigned __int128) for the host. + atomic_test_128 = ''' + int main(int ac, char **av) { + unsigned __int128 *p = __builtin_assume_aligned(av[ac - 1], sizeof(16)); + p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED); + __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED); + __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); + return 0; + }''' + has_atomic128 = cc.links(atomic_test_128) config_host_data.set('CONFIG_ATOMIC128', has_atomic128) if not has_atomic128 - has_cmpxchg128 = cc.links(''' - int main(void) - { - unsigned __int128 x = 0, y = 0; - __sync_val_compare_and_swap_16(&x, y, x); - return 0; - } - ''') - - config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128) + # Even with __builtin_assume_aligned, the above test may have failed + # without optimization enabled. Try again with optimizations locally + # enabled for the function. See + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389 + has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128) + config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt) + + if not has_atomic128_opt + config_host_data.set('CONFIG_CMPXCHG128', cc.links(''' + int main(void) + { + unsigned __int128 x = 0, y = 0; + __sync_val_compare_and_swap_16(&x, y, x); + return 0; + } + ''')) + endif endif endif @@ -2736,7 +3012,7 @@ genh += custom_target('config-poison.h', capstone = not_found if not get_option('capstone').auto() or have_system or have_user capstone = dependency('capstone', version: '>=3.0.5', - kwargs: static_kwargs, method: 'pkg-config', + method: 'pkg-config', required: get_option('capstone')) # Some versions of capstone have broken pkg-config file @@ -2762,9 +3038,7 @@ if have_system and vfio_user_server_allowed libvfio_user_proj = subproject('libvfio-user') - libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep') - - libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib]) + libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep') endif fdt = not_found @@ -2772,7 +3046,7 @@ if have_system fdt_opt = get_option('fdt') if fdt_opt in ['enabled', 'auto', 'system'] have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt') - fdt = cc.find_library('fdt', kwargs: static_kwargs, + fdt = cc.find_library('fdt', required: fdt_opt == 'system' or fdt_opt == 'enabled' and not have_internal) if fdt.found() and cc.links(''' @@ -3078,7 +3352,6 @@ subdir('ui') subdir('hw') subdir('gdbstub') - if enable_modules libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO') modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO') @@ -3221,7 +3494,7 @@ foreach d, list : modules endif foreach m, module_ss : list - if enable_modules and targetos != 'windows' + if enable_modules module_ss = module_ss.apply(config_all, strict: false) sl = static_library(d + '-' + m, [genh, module_ss.sources()], dependencies: [modulecommon, module_ss.dependencies()], pic: true) @@ -3254,7 +3527,7 @@ endforeach foreach d, list : target_modules foreach m, module_ss : list - if enable_modules and targetos != 'windows' + if enable_modules foreach target : target_dirs if target.endswith('-softmmu') config_target = config_target_mak[target] @@ -3700,7 +3973,7 @@ if host_machine.system() == 'windows' '@OUTPUT@', get_option('prefix'), meson.current_source_dir(), - config_host['GLIB_BINDIR'], + glib_pc.get_variable('bindir'), host_machine.cpu(), '--', '-DDISPLAYVERSION=' + meson.project_version(), @@ -3774,8 +4047,8 @@ summary_info += {'system-mode emulation': have_system} summary_info += {'user-mode emulation': have_user} summary_info += {'block layer': have_block} summary_info += {'Install blobs': get_option('install_blobs')} -summary_info += {'module support': config_host.has_key('CONFIG_MODULES')} -if config_host.has_key('CONFIG_MODULES') +summary_info += {'module support': enable_modules} +if enable_modules summary_info += {'alternative module path': get_option('module_upgrades')} endif summary_info += {'fuzzing support': get_option('fuzzing')} @@ -3826,12 +4099,12 @@ link_args = get_option(link_language + '_link_args') if link_args.length() > 0 summary_info += {'LDFLAGS': ' '.join(link_args)} endif -summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)} +summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)} if 'cpp' in all_languages - summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)} + summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)} endif if 'objc' in all_languages - summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)} + summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)} endif summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)} summary_info += {'profiler': get_option('profiler')} @@ -3854,7 +4127,7 @@ else endif summary_info += {'gprof': gprof_info} summary_info += {'gcov': get_option('b_coverage')} -summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')} +summary_info += {'thread sanitizer': get_option('tsan')} summary_info += {'CFI support': get_option('cfi')} if get_option('cfi') summary_info += {'CFI debug support': get_option('cfi_debug')} @@ -3915,13 +4188,14 @@ summary(summary_info, bool_yn: true, section: 'Targets and accelerators') # Block layer summary_info = {} -summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']} +summary_info += {'coroutine backend': coroutine_backend} summary_info += {'coroutine pool': have_coroutine_pool} if have_block summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')} summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')} summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')} - summary_info += {'VirtFS support': have_virtfs} + summary_info += {'VirtFS (9P) support': have_virtfs} + summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper} summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')} summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')} summary_info += {'bochs support': get_option('bochs').allowed()} |