mirror of https://github.com/proxmox/mirror_qemu
meson: move option validation together
Check options before compiler flags, because some compiler flags are incompatible with modules. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>master
Paolo Bonzini
parent
44458a6158
commit
a9cba054cf
137
meson.build
137
meson.build
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@ -108,6 +108,71 @@ endforeach
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# Option validation #
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#####################
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# Fuzzing
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if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
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not cc.links('''
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#include <stdint.h>
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#include <sys/types.h>
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int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
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int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
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''',
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args: ['-Werror', '-fsanitize=fuzzer'])
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error('Your compiler does not support -fsanitize=fuzzer')
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endif
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# Tracing backends
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if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
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error('ftrace is supported only on Linux')
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endif
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if 'syslog' in get_option('trace_backends') and not cc.compiles('''
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#include <syslog.h>
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int main(void) {
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openlog("qemu", LOG_PID, LOG_DAEMON);
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syslog(LOG_INFO, "configure");
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return 0;
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}''')
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error('syslog is not supported on this system')
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endif
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# Miscellaneous Linux-only features
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get_option('mpath') \
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.require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
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multiprocess_allowed = get_option('multiprocess') \
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.require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
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.allowed()
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vfio_user_server_allowed = get_option('vfio_user_server') \
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.require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
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.allowed()
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have_tpm = get_option('tpm') \
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.require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
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.allowed()
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# vhost
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have_vhost_user = get_option('vhost_user') \
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.disable_auto_if(targetos != 'linux') \
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.require(targetos != 'windows',
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error_message: 'vhost-user is not available on Windows').allowed()
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have_vhost_vdpa = get_option('vhost_vdpa') \
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.require(targetos == 'linux',
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error_message: 'vhost-vdpa is only available on Linux').allowed()
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have_vhost_kernel = get_option('vhost_kernel') \
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.require(targetos == 'linux',
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error_message: 'vhost-kernel is only available on Linux').allowed()
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have_vhost_user_crypto = get_option('vhost_crypto') \
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.require(have_vhost_user,
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error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
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have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
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have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
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have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
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have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
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have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
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# type of binaries to build
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have_linux_user = false
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have_bsd_user = false
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have_system = false
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@ -117,6 +182,7 @@ foreach target : target_dirs
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have_system = have_system or target.endswith('-softmmu')
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endforeach
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have_user = have_linux_user or have_bsd_user
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have_tools = get_option('tools') \
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.disable_auto_if(not have_system) \
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.allowed()
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@ -125,13 +191,14 @@ have_ga = get_option('guest_agent') \
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.require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
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error_message: 'unsupported OS for QEMU guest agent') \
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.allowed()
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have_block = have_system or have_tools
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enable_modules = get_option('modules') \
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.require(targetos != 'windows',
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error_message: 'Modules are not available for Windows') \
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.require(not get_option('prefer_static'),
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error_message: 'Modules are incompatible with static linking') \
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.allowed()
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have_block = have_system or have_tools
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#######################################
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# Variables for host and accelerators #
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@ -535,74 +602,6 @@ if sparse.found()
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'-Wno-non-pointer-null'])
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endif
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#####################
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# Option validation #
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#####################
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# Fuzzing
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if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
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not cc.links('''
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#include <stdint.h>
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#include <sys/types.h>
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int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
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int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
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''',
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args: ['-Werror', '-fsanitize=fuzzer'])
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error('Your compiler does not support -fsanitize=fuzzer')
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endif
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# Tracing backends
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if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
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error('ftrace is supported only on Linux')
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endif
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if 'syslog' in get_option('trace_backends') and not cc.compiles('''
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#include <syslog.h>
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int main(void) {
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openlog("qemu", LOG_PID, LOG_DAEMON);
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syslog(LOG_INFO, "configure");
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return 0;
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}''')
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error('syslog is not supported on this system')
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endif
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# Miscellaneous Linux-only features
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get_option('mpath') \
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.require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
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multiprocess_allowed = get_option('multiprocess') \
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.require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
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.allowed()
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vfio_user_server_allowed = get_option('vfio_user_server') \
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.require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
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.allowed()
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have_tpm = get_option('tpm') \
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.require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
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.allowed()
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# vhost
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have_vhost_user = get_option('vhost_user') \
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.disable_auto_if(targetos != 'linux') \
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.require(targetos != 'windows',
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error_message: 'vhost-user is not available on Windows').allowed()
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have_vhost_vdpa = get_option('vhost_vdpa') \
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.require(targetos == 'linux',
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error_message: 'vhost-vdpa is only available on Linux').allowed()
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have_vhost_kernel = get_option('vhost_kernel') \
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.require(targetos == 'linux',
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error_message: 'vhost-kernel is only available on Linux').allowed()
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have_vhost_user_crypto = get_option('vhost_crypto') \
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.require(have_vhost_user,
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error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
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have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
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have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
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have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
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have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
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have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
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# Target-specific libraries and flags
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libm = cc.find_library('m', required: false)
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threads = dependency('threads')
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