Add an option to enable/disable HMP support, default to true. The
following commits are going to make --disable-hmp gradually working.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 meson.build                   | 4 ++++
 meson_options.txt             | 2 ++
 scripts/meson-buildoptions.sh | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/meson.build b/meson.build
index 70613bf4afc..e83cfe56cf3 100644
--- a/meson.build
+++ b/meson.build
@@ -247,6 +247,9 @@ have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_
 
 have_tcg = get_option('tcg').allowed() and (have_system or have_user)
 
+have_hmp = get_option('hmp') \
+  .disable_auto_if(not have_system) \
+  .allowed()
 have_tools = get_option('tools') \
   .disable_auto_if(not have_system) \
   .allowed()
@@ -2256,6 +2259,7 @@ endif
 config_host_data = configuration_data()
 
 config_host_data.set('CONFIG_HAVE_RUST', have_rust)
+config_host_data.set('CONFIG_HMP', have_hmp)
 audio_drivers_selected = []
 if have_system
   audio_drivers_available = {
diff --git a/meson_options.txt b/meson_options.txt
index a07cb47d35e..d8f59cf92ca 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -111,6 +111,8 @@ option('cfi', type: 'boolean', value: false,
        description: 'Control-Flow Integrity (CFI)')
 option('cfi_debug', type: 'boolean', value: false,
        description: 'Verbose errors in case of CFI violation')
+option('hmp', type : 'feature', value : 'auto',
+       description: 'HMP monitor support')
 option('multiprocess', type: 'feature', value: 'auto',
        description: 'Out of process device emulation support')
 option('relocatable', type : 'boolean', value : true,
diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
index c003985047c..5a67e59a167 100644
--- a/scripts/meson-buildoptions.sh
+++ b/scripts/meson-buildoptions.sh
@@ -125,6 +125,7 @@ meson_options_help() {
   printf "%s\n" '  gtk             GTK+ user interface'
   printf "%s\n" '  guest-agent     Build QEMU Guest Agent'
   printf "%s\n" '  guest-agent-msi Build MSI package for the QEMU Guest Agent'
+  printf "%s\n" '  hmp             HMP monitor support'
   printf "%s\n" '  hv-balloon      hv-balloon driver (requires Glib 2.68+ GTree API)'
   printf "%s\n" '  hvf             HVF acceleration support'
   printf "%s\n" '  iconv           Font glyph conversion support'
@@ -339,6 +340,8 @@ _meson_option_parse() {
     --disable-guest-agent-msi) printf "%s" -Dguest_agent_msi=disabled ;;
     --enable-hexagon-idef-parser) printf "%s" -Dhexagon_idef_parser=true ;;
     --disable-hexagon-idef-parser) printf "%s" -Dhexagon_idef_parser=false ;;
+    --enable-hmp) printf "%s" -Dhmp=enabled ;;
+    --disable-hmp) printf "%s" -Dhmp=disabled ;;
     --enable-hv-balloon) printf "%s" -Dhv_balloon=enabled ;;
     --disable-hv-balloon) printf "%s" -Dhv_balloon=disabled ;;
     --enable-hvf) printf "%s" -Dhvf=enabled ;;

-- 
2.54.0