[PATCH 1/4] configure: Add a --enable-debug-kvm option to configure

[AlexChen <alex.chen@huawei.com>]

This patch allows CONFIG_DEBUG_KVM to be defined when passing
an option to the configure script.

Signed-off-by: AlexChen <alex.chen@huawei.com>
---
 configure | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/configure b/configure
index e6754c1e87..2cdef5be4c 100755
--- a/configure
+++ b/configure
@@ -338,6 +338,7 @@ pvrdma=""
 gprof="no"
 debug_tcg="no"
 debug="no"
+debug_kvm="no"
 sanitizers="no"
 tsan="no"
 fortify_source=""
@@ -1022,11 +1023,16 @@ for opt do
   ;;
   --disable-debug-tcg) debug_tcg="no"
   ;;
+  --enable-debug-kvm) debug_kvm="yes"
+  ;;
+  --disable-debug-kvm) debug_kvm="no"
+  ;;
   --enable-debug)
       # Enable debugging options that aren't excessively noisy
       debug_tcg="yes"
       debug_mutex="yes"
       debug="yes"
+      debug_kvm="yes"
       strip_opt="no"
       fortify_source="no"
   ;;
@@ -1735,6 +1741,7 @@ disabled with --disable-FEATURE, default is enabled if available:
   module-upgrades try to load modules from alternate paths for upgrades
   debug-tcg       TCG debugging (default is disabled)
   debug-info      debugging information
+  debug-kvm       KVM debugging support (default is disabled)
   sparse          sparse checker
   safe-stack      SafeStack Stack Smash Protection. Depends on
                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
@@ -5929,6 +5936,9 @@ fi
 if test "$debug_tcg" = "yes" ; then
   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
 fi
+if test "$debug_kvm" = "yes" ; then
+  echo "CONFIG_DEBUG_KVM=y" >> $config_host_mak
+fi
 if test "$strip_opt" = "yes" ; then
   echo "STRIP=${strip}" >> $config_host_mak
 fi
-- 
2.19.1