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meson: do not check supported TCG architecture if no emulators built

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Errors about TCI are pointless if only tools are being built; suppress
them even if the user did not specify --disable-tcg.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-05-09 12:50:29 +02:00
parent 5346686182
commit e3c426cb78
3 changed files with 8 additions and 6 deletions
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10
meson.build
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@ -247,6 +247,8 @@ 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
have_tcg = get_option('tcg').allowed() and (have_system or have_user)
have_tools = get_option('tools') \
.disable_auto_if(not have_system) \
.allowed()
@ -863,7 +865,7 @@ elif host_os == 'haiku'
cc.find_library('network'),
cc.find_library('bsd')]
elif host_os == 'openbsd'
if get_option('tcg').allowed() and target_dirs.length() > 0
if have_tcg
# Disable OpenBSD W^X if available
emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
endif
@ -904,7 +906,7 @@ if host_os == 'netbsd'
endif
tcg_arch = host_arch
if get_option('tcg').allowed()
if have_tcg
if host_arch == 'unknown'
if not get_option('tcg_interpreter')
error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
@ -2534,7 +2536,7 @@ config_host_data.set('CONFIG_PIXMAN', pixman.found())
config_host_data.set('CONFIG_SLIRP', slirp.found())
config_host_data.set('CONFIG_SNAPPY', snappy.found())
config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
if get_option('tcg').allowed()
if have_tcg
config_host_data.set('CONFIG_TCG', 1)
config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
endif
@ -4959,7 +4961,7 @@ if host_arch == 'unknown'
message('compile or work on this host CPU. You can help by volunteering')
message('to maintain it and providing a build host for our continuous')
message('integration setup.')
if get_option('tcg').allowed() and target_dirs.length() > 0
if have_tcg
message()
message('configure has succeeded and you can continue to build, but')
message('QEMU will use a slow interpreter to emulate the target CPU.')