diff --git a/meson.build b/meson.build index 3a1f4cbb90..2c6f09352c 100644 --- a/meson.build +++ b/meson.build @@ -108,6 +108,71 @@ endforeach # Option validation # ##################### +# Fuzzing +if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \ + not cc.links(''' + #include + #include + int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); + int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } + ''', + args: ['-Werror', '-fsanitize=fuzzer']) + error('Your compiler does not support -fsanitize=fuzzer') +endif + +# Tracing backends +if 'ftrace' in get_option('trace_backends') and targetos != 'linux' + error('ftrace is supported only on Linux') +endif +if 'syslog' in get_option('trace_backends') and not cc.compiles(''' + #include + int main(void) { + openlog("qemu", LOG_PID, LOG_DAEMON); + syslog(LOG_INFO, "configure"); + return 0; + }''') + error('syslog is not supported on this system') +endif + +# Miscellaneous Linux-only features +get_option('mpath') \ + .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux') + +multiprocess_allowed = get_option('multiprocess') \ + .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \ + .allowed() + +vfio_user_server_allowed = get_option('vfio_user_server') \ + .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \ + .allowed() + +have_tpm = get_option('tpm') \ + .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \ + .allowed() + +# vhost +have_vhost_user = get_option('vhost_user') \ + .disable_auto_if(targetos != 'linux') \ + .require(targetos != 'windows', + error_message: 'vhost-user is not available on Windows').allowed() +have_vhost_vdpa = get_option('vhost_vdpa') \ + .require(targetos == 'linux', + error_message: 'vhost-vdpa is only available on Linux').allowed() +have_vhost_kernel = get_option('vhost_kernel') \ + .require(targetos == 'linux', + error_message: 'vhost-kernel is only available on Linux').allowed() +have_vhost_user_crypto = get_option('vhost_crypto') \ + .require(have_vhost_user, + error_message: 'vhost-crypto requires vhost-user to be enabled').allowed() + +have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel + +have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed() +have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed() +have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed() +have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa + +# type of binaries to build have_linux_user = false have_bsd_user = false have_system = false @@ -117,6 +182,7 @@ foreach target : target_dirs have_system = have_system or target.endswith('-softmmu') endforeach have_user = have_linux_user or have_bsd_user + have_tools = get_option('tools') \ .disable_auto_if(not have_system) \ .allowed() @@ -125,13 +191,14 @@ have_ga = get_option('guest_agent') \ .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'], error_message: 'unsupported OS for QEMU guest agent') \ .allowed() +have_block = have_system or have_tools + 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 ####################################### # Variables for host and accelerators # @@ -535,74 +602,6 @@ if sparse.found() '-Wno-non-pointer-null']) endif -##################### -# Option validation # -##################### - -# Fuzzing -if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \ - not cc.links(''' - #include - #include - int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); - int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } - ''', - args: ['-Werror', '-fsanitize=fuzzer']) - error('Your compiler does not support -fsanitize=fuzzer') -endif - -# Tracing backends -if 'ftrace' in get_option('trace_backends') and targetos != 'linux' - error('ftrace is supported only on Linux') -endif -if 'syslog' in get_option('trace_backends') and not cc.compiles(''' - #include - int main(void) { - openlog("qemu", LOG_PID, LOG_DAEMON); - syslog(LOG_INFO, "configure"); - return 0; - }''') - error('syslog is not supported on this system') -endif - -# Miscellaneous Linux-only features -get_option('mpath') \ - .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux') - -multiprocess_allowed = get_option('multiprocess') \ - .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \ - .allowed() - -vfio_user_server_allowed = get_option('vfio_user_server') \ - .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \ - .allowed() - -have_tpm = get_option('tpm') \ - .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \ - .allowed() - -# vhost -have_vhost_user = get_option('vhost_user') \ - .disable_auto_if(targetos != 'linux') \ - .require(targetos != 'windows', - error_message: 'vhost-user is not available on Windows').allowed() -have_vhost_vdpa = get_option('vhost_vdpa') \ - .require(targetos == 'linux', - error_message: 'vhost-vdpa is only available on Linux').allowed() -have_vhost_kernel = get_option('vhost_kernel') \ - .require(targetos == 'linux', - error_message: 'vhost-kernel is only available on Linux').allowed() -have_vhost_user_crypto = get_option('vhost_crypto') \ - .require(have_vhost_user, - error_message: 'vhost-crypto requires vhost-user to be enabled').allowed() - -have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel - -have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed() -have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed() -have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed() -have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa - # Target-specific libraries and flags libm = cc.find_library('m', required: false) threads = dependency('threads')