[PATCH 1/4] configure: Restrict TCG to emulation

[Philippe Mathieu-Daudé]

If we don't need to emulate any target, we certainly don't need TCG.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 configure | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 9f40d60196..4002f81ac9 100755
--- a/configure
+++ b/configure
@@ -370,7 +370,7 @@ slirp="auto"
 default_devices="true"
 
 # 3. Automatically enable/disable other options
-tcg="enabled"
+tcg="auto"
 cfi="false"
 
 # 4. Detection partly done in configure
@@ -1777,7 +1777,7 @@ EOF
   fi
 fi
 
-if test "$tcg" = "enabled"; then
+if test "$tcg" != "disabled"; then
     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 fi
@@ -1819,6 +1819,14 @@ case " $target_list " in
   ;;
 esac
 
+if test "$tcg" = "auto"; then
+  if test -z "$target_list"; then
+    tcg="disabled"
+  else
+    tcg="enabled"
+  fi
+fi
+
 feature_not_found() {
   feature=$1
   remedy=$2
-- 
2.34.1