[RFC PATCH] buildsys: Only build capstone if softmmu/user mode is enabled

[Philippe Mathieu-Daudé]

At least one of softmmu or user mode has to be enabled to use
capstone. If not, don't clone/built it.

This save CI time for the tools/documentation-only build jobs.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 configure | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure b/configure
index 4bd80ed507..bc5757159a 100755
--- a/configure
+++ b/configure
@@ -5381,6 +5381,10 @@ fi
 ##########################################
 # capstone
 
+if test -z "$capstone" && test $tcg = 'no' ; then # !tcg implies !softmmu
+  capstone="no"
+fi
+
 case "$capstone" in
   "" | yes)
     if $pkg_config capstone; then
-- 
2.21.3