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https://gitlab.com/qemu-project/qemu
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configure: move accelerator logic to meson
Move to meson the code to detect the presence of accelerators, and to define accelerator-specific config-target.h symbols. The logic for now is duplicated in configure because it is still in use to build the list of targets (which is in turn used to create the config-target.mak files). The next patches remove it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
parent
3bd40ec7ae
commit
8a19980e3f
2 changed files with 94 additions and 34 deletions
19
configure
vendored
19
configure
vendored
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@ -6842,7 +6842,6 @@ if test "$optreset" = "yes" ; then
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echo "HAVE_OPTRESET=y" >> $config_host_mak
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fi
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if test "$tcg" = "enabled"; then
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echo "CONFIG_TCG=y" >> $config_host_mak
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if test "$tcg_interpreter" = "yes" ; then
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echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
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fi
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@ -7622,24 +7621,6 @@ if [ "$TARGET_SYSTBL_ABI" != "" ]; then
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echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
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fi
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if supported_xen_target $target; then
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echo "CONFIG_XEN=y" >> $config_target_mak
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if test "$xen_pci_passthrough" = enabled; then
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echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
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fi
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fi
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if supported_kvm_target $target; then
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echo "CONFIG_KVM=y" >> $config_target_mak
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fi
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if supported_hax_target $target; then
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echo "CONFIG_HAX=y" >> $config_target_mak
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fi
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if supported_hvf_target $target; then
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echo "CONFIG_HVF=y" >> $config_target_mak
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fi
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if supported_whpx_target $target; then
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echo "CONFIG_WHPX=y" >> $config_target_mak
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fi
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if test "$target_aligned_only" = "yes" ; then
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echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
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fi
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109
meson.build
109
meson.build
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@ -50,6 +50,28 @@ configure_file(input: files('scripts/ninjatool.py'),
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output: 'ninjatool',
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configuration: config_host)
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if cpu in ['x86', 'x86_64']
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kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
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elif cpu == 'aarch64'
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kvm_targets = ['aarch64-softmmu']
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elif cpu == 's390x'
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kvm_targets = ['s390x-softmmu']
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elif cpu in ['ppc', 'ppc64']
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kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
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else
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kvm_targets = []
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endif
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accelerator_targets = { 'CONFIG_KVM': kvm_targets }
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if cpu in ['x86', 'x86_64']
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accelerator_targets += {
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'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
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'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
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'CONFIG_HVF': ['x86_64-softmmu'],
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'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
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}
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endif
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##################
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# Compiler flags #
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##################
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@ -103,7 +125,7 @@ version_res = []
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coref = []
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iokit = []
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cocoa = not_found
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hvf = []
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hvf = not_found
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if targetos == 'windows'
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socket = cc.find_library('ws2_32')
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winmm = cc.find_library('winmm')
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@ -116,7 +138,6 @@ elif targetos == 'darwin'
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coref = dependency('appleframeworks', modules: 'CoreFoundation')
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iokit = dependency('appleframeworks', modules: 'IOKit')
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cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
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hvf = dependency('appleframeworks', modules: 'Hypervisor')
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elif targetos == 'sunos'
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socket = [cc.find_library('socket'),
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cc.find_library('nsl'),
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@ -127,6 +148,64 @@ elif targetos == 'haiku'
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cc.find_library('bsd')]
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endif
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accelerators = []
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if not get_option('kvm').disabled() and targetos == 'linux'
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accelerators += 'CONFIG_KVM'
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endif
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if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
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accelerators += 'CONFIG_XEN'
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have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
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else
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have_xen_pci_passthrough = false
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endif
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if not get_option('whpx').disabled() and targetos == 'windows'
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if get_option('whpx').enabled() and cpu != 'x86_64'
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error('WHPX requires 64-bit host')
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elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
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cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
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accelerators += 'CONFIG_WHPX'
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endif
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endif
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if not get_option('hvf').disabled()
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hvf = dependency('appleframeworks', modules: 'Hypervisor',
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required: get_option('hvf'))
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if hvf.found()
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accelerators += 'CONFIG_HVF'
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endif
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endif
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if not get_option('hax').disabled()
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if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
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accelerators += 'CONFIG_HAX'
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endif
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endif
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if not get_option('tcg').disabled()
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if cpu not in supported_cpus
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if 'CONFIG_TCG_INTERPRETER' in config_host
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warning('Unsupported CPU @0@, will use TCG with TCI (experimental)'.format(cpu))
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else
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error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
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endif
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endif
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accelerators += 'CONFIG_TCG'
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config_host += { 'CONFIG_TCG': 'y' }
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endif
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if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
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error('KVM not available on this platform')
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endif
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if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
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error('HVF not available on this platform')
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endif
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if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
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error('WHPX not available on this platform')
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endif
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if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
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if 'CONFIG_XEN' in accelerators
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error('Xen PCI passthrough not available on this platform')
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else
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error('Xen PCI passthrough requested but Xen not enabled')
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endif
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endif
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if not cocoa.found() and get_option('cocoa').enabled()
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error('Cocoa not available on this platform')
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endif
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@ -641,17 +720,22 @@ kconfig_external_symbols = [
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]
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ignored = ['TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_DIRS']
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accel_symbols = [
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'CONFIG_KVM',
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'CONFIG_HAX',
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'CONFIG_HVF',
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'CONFIG_TCG',
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'CONFIG_WHPX'
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]
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foreach target : target_dirs
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config_target = keyval.load(meson.current_build_dir() / target / 'config-target.mak')
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have_accel = false
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foreach sym: accelerators
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if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
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config_target += { sym: 'y' }
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config_all += { sym: 'y' }
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if sym == 'CONFIG_XEN' and have_xen_pci_passthrough
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config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
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endif
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have_accel = true
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endif
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endforeach
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assert(have_accel)
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foreach k, v: disassemblers
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if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
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foreach sym: v
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@ -677,11 +761,6 @@ foreach target : target_dirs
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config_target_data.set(k, v)
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endif
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endforeach
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foreach sym: accel_symbols
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if config_target.has_key(sym)
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config_all += { sym: 'y' }
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endif
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endforeach
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config_target_h += {target: configure_file(output: target + '-config-target.h',
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configuration: config_target_data)}
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