configure, meson: move CONFIG_IASL to a Meson option

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

configure

@@ -2969,9 +2969,6 @@ echo "MESON=$meson" >> $config_host_mak
 echo "NINJA=$ninja" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak
 echo "HOST_CC=$host_cc" >> $config_host_mak
-if $iasl -h > /dev/null 2>&1; then
-  echo "CONFIG_IASL=$iasl" >> $config_host_mak
-fi
 echo "AR=$ar" >> $config_host_mak
 echo "AS=$as" >> $config_host_mak
 echo "CCAS=$ccas" >> $config_host_mak
@@ -3189,6 +3186,7 @@ if test "$skip_meson" = no; then
         -Daudio_drv_list=$audio_drv_list \
         -Ddefault_devices=$default_devices \
         -Ddocdir="$docdir" \
+        -Diasl="$($iasl -h >/dev/null 2>&1 && printf %s "$iasl")" \
         -Dqemu_firmwarepath="$firmwarepath" \
         -Dqemu_suffix="$qemu_suffix" \
         -Dsmbd="$smbd" \

meson.build

@@ -1463,7 +1463,9 @@ foreach k : get_option('trace_backends')
   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
 endforeach
 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
-
+if get_option('iasl') != ''
+  config_host_data.set_quoted('CONFIG_IASL', get_option('iasl'))
+endif
 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
@@ -1957,7 +1959,6 @@ config_host_data.set('HAVE_NTDDSCSI', have_ntddscsi)
 ignored = ['CONFIG_QEMU_INTERP_PREFIX', # actually per-target
     'HAVE_GDB_BIN']
 arrays = ['CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
-strings = ['CONFIG_IASL']
 foreach k, v: config_host
   if ignored.contains(k)
     # do nothing
@@ -1966,8 +1967,6 @@ foreach k, v: config_host
       v = '"' + '", "'.join(v.split()) + '", '
     endif
     config_host_data.set(k, v)
-  elif strings.contains(k)
-    config_host_data.set_quoted(k, v)
   elif k.startswith('CONFIG_')
     config_host_data.set(k, v == 'y' ? 1 : v)
   endif
@@ -3375,6 +3374,11 @@ summary_info += {'sphinx-build':      sphinx_build}
 if config_host.has_key('HAVE_GDB_BIN')
   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
 endif
+if get_option('iasl') != ''
+  summary_info += {'iasl':            get_option('iasl')}
+else
+  summary_info += {'iasl':            false}
+endif
 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
 if targetos == 'windows' and have_ga
   summary_info += {'wixl':            wixl}

meson_options.txt

@@ -12,6 +12,8 @@ option('smbd', type : 'string', value : '',
        description: 'Path to smbd for slirp networking')
 option('sphinx_build', type : 'string', value : '',
        description: 'Use specified sphinx-build [$sphinx_build] for building document (default to be empty)')
+option('iasl', type : 'string', value : '',
+       description: 'Path to ACPI disassembler')
 option('default_devices', type : 'boolean', value : true,
        description: 'Include a default selection of devices in emulators')
 option('audio_drv_list', type: 'array', value: ['default'],

scripts/meson-buildoptions.py

@@ -30,6 +30,7 @@ SKIP_OPTIONS = {
     "default_devices",
     "docdir",
     "fuzzing_engine",
+    "iasl",
     "qemu_firmwarepath",
     "qemu_suffix",
     "smbd",