configure, meson: move guest-agent, tools to meson

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 26 insertions, 22 deletions

diff --git a/meson.build b/meson.build
index 7b3cfb6316..b9bedf928a 100644
--- a/meson.build
+++ b/meson.build
@@ -44,6 +44,20 @@ config_host_data = configuration_data()
 genh = []
 qapi_trace_events = []
 
+bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
+supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
+supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
+  'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
+
+cpu = host_machine.cpu_family()
+
+# Unify riscv* to a single family.
+if cpu in ['riscv32', 'riscv64']
+  cpu = 'riscv'
+endif
+
+targetos = host_machine.system()
+
 target_dirs = config_host['TARGET_DIRS'].split()
 have_linux_user = false
 have_bsd_user = false
@@ -54,24 +68,18 @@ foreach target : target_dirs
   have_system = have_system or target.endswith('-softmmu')
 endforeach
 have_user = have_linux_user or have_bsd_user
-have_tools = 'CONFIG_TOOLS' in config_host
+have_tools = get_option('tools') \
+  .disable_auto_if(not have_system) \
+  .allowed()
+have_ga = get_option('guest_agent') \
+  .disable_auto_if(not have_system and not have_tools) \
+  .require(targetos in ['sunos', 'linux', 'windows'],
+           error_message: 'unsupported OS for QEMU guest agent') \
+  .allowed()
 have_block = have_system or have_tools
 
 python = import('python').find_installation()
 
-supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
-supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
-  'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
-
-cpu = host_machine.cpu_family()
-
-# Unify riscv* to a single family.
-if cpu in ['riscv32', 'riscv64']
-  cpu = 'riscv'
-endif
-
-targetos = host_machine.system()
-
 if cpu not in supported_cpus
   host_arch = 'unknown'
 elif cpu == 'x86'
@@ -3214,11 +3222,7 @@ if 'CONFIG_PLUGIN' in config_host
   install_headers('include/qemu/qemu-plugin.h')
 endif
 
-if 'CONFIG_GUEST_AGENT' in config_host
-  subdir('qga')
-elif get_option('guest_agent_msi').enabled()
-  error('Guest agent MSI requested, but the guest agent is not being built')
-endif
+subdir('qga')
 
 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
 # when we don't build tools or system
@@ -3341,7 +3345,7 @@ if config_host.has_key('HAVE_GDB_BIN')
   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
 endif
 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
-if targetos == 'windows' and config_host.has_key('CONFIG_GUEST_AGENT')
+if targetos == 'windows' and have_ga
   summary_info += {'wixl':            wixl}
 endif
 if slirp_opt != 'disabled' and have_system
@@ -3379,7 +3383,7 @@ summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
-summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
+summary_info += {'build guest agent': have_ga}
 summary(summary_info, bool_yn: true, section: 'Configurable features')
 
 # Compilation information
@@ -3589,7 +3593,7 @@ summary_info += {'GBM':               gbm}
 summary_info += {'libiscsi support':  libiscsi}
 summary_info += {'libnfs support':    libnfs}
 if targetos == 'windows'
-  if config_host.has_key('CONFIG_GUEST_AGENT')
+  if have_ga
     summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
     summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
   endif