[v4,12/54] configure: add --enable-plugins (MOVE TO END)

Commit Message

Alex Bennée July 31, 2019, 4:06 p.m. UTC

This adds the basic boilerplate feature enable option for the build.
We shall expand it later.

XXX: currently this patch is included at the start of development to
aid with incremental building. It should be moved to the end once the
plugins are feature complete.

[AJB: split from larger patch]
Signed-off-by: Alex Bennée <[e-mail]>
---
 configure | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Richard Henderson Aug. 1, 2019, 3:33 p.m. UTC | #1

On 7/31/19 9:06 AM, Alex Bennée wrote:
> This adds the basic boilerplate feature enable option for the build.
> We shall expand it later.
> 
> XXX: currently this patch is included at the start of development to
> aid with incremental building. It should be moved to the end once the
> plugins are feature complete.
> 
> [AJB: split from larger patch]
> Signed-off-by: Alex Bennée <[e-mail]>
> ---
>  configure | 13 +++++++++++++
>  1 file changed, 13 insertions(+)

Reviewed-by: Richard Henderson <[e-mail]>


r~

Patch

diff --git a/configure b/configure
index 714e7fb6a1f..dbc78f21b0c 100755
--- a/configure
+++ b/configure
@@ -499,6 +499,7 @@  docker="no"
 debug_mutex="no"
 libpmem=""
 default_devices="yes"
+plugins="no"
 
 # cross compilers defaults, can be overridden with --cross-cc-ARCH
 cross_cc_aarch64="aarch64-linux-gnu-gcc"
@@ -1543,6 +1544,10 @@  for opt do
   ;;
   --disable-libpmem) libpmem=no
   ;;
+  --enable-plugins) plugins="yes"
+  ;;
+  --disable-plugins) plugins="no"
+  ;;
   *)
       echo "ERROR: unknown option $opt"
       echo "Try '$0 --help' for more information"
@@ -1740,6 +1745,8 @@  Advanced options (experts only):
   --enable-profiler        profiler support
   --enable-debug-stack-usage
                            track the maximum stack usage of stacks created by qemu_alloc_stack
+  --enable-plugins
+                           enable plugins via shared library loading
 
 Optional features, enabled with --enable-FEATURE and
 disabled with --disable-FEATURE, default is enabled if available:
@@ -6481,6 +6488,7 @@  echo "docker            $docker"
 echo "libpmem support   $libpmem"
 echo "libudev           $libudev"
 echo "default devices   $default_devices"
+echo "plugin support    $plugins"
 
 if test "$supported_cpu" = "no"; then
     echo
@@ -7307,6 +7315,11 @@  if test "$sheepdog" = "yes" ; then
   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
 fi
 
+if test "$plugins" = "yes" ; then
+    echo "CONFIG_PLUGIN=y" >> $config_host_mak
+    LIBS="-ldl $LIBS"
+fi
+
 if test "$tcg_interpreter" = "yes"; then
   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
 elif test "$ARCH" = "sparc64" ; then