configure, meson: move --enable-modules to Meson

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

configure

@@ -280,7 +280,6 @@ tsan="no"
 fortify_source="yes"
 docs="auto"
 EXESUF=""
-modules="no"
 prefix="/usr/local"
 qemu_suffix="qemu"
 softmmu="yes"
@@ -751,12 +750,6 @@ for opt do
   ;;
   --disable-docs) docs=disabled
   ;;
-  --enable-modules)
-      modules="yes"
-  ;;
-  --disable-modules)
-      modules="no"
-  ;;
   --cpu=*)
   ;;
   --target-list=*) target_list="$optarg"
@@ -1051,7 +1044,6 @@ cat << EOF
   linux-user      all linux usermode emulation targets
   bsd-user        all BSD usermode emulation targets
   pie             Position Independent Executables
-  modules         modules support (non-Windows)
   debug-tcg       TCG debugging (default is disabled)
   debug-info      debugging information
   safe-stack      SafeStack Stack Smash Protection. Depends on
@@ -1342,16 +1334,7 @@ EOF
   fi
 fi
 
-# Our module code doesn't support Windows
-if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
-  error_exit "Modules are not available for Windows"
-fi
-
-# Static linking is not possible with plugins, modules or PIE
 if test "$static" = "yes" ; then
-  if test "$modules" = "yes" ; then
-    error_exit "static and modules are mutually incompatible"
-  fi
   if test "$plugins" = "yes"; then
     error_exit "static and plugins are mutually incompatible"
   else
@@ -2308,9 +2291,6 @@ if test "$solaris" = "yes" ; then
 fi
 echo "SRC_PATH=$source_path" >> $config_host_mak
 echo "TARGET_DIRS=$target_list" >> $config_host_mak
-if test "$modules" = "yes"; then
-  echo "CONFIG_MODULES=y" >> $config_host_mak
-fi
 
 # XXX: suppress that
 if [ "$bsd" = "yes" ] ; then