Merge remote-tracking branch 'remotes/berrange/tags/pull-qcrypto-2017-07-18-2' into...

[mirror_qemu.git] / configure

diff --git a/configure b/configure
index bad50f53689996c3eae458b286c70797d5c3ff4b..befebe27e3ef81333fe1b3c052c71c3ca0db9559 100755 (executable)
--- a/configure
+++ b/configure
@@ -375,6 +375,7 @@ libnfs=""
 coroutine=""
 coroutine_pool=""
 debug_stack_usage="no"
+crypto_afalg="no"
 seccomp=""
 glusterfs=""
 glusterfs_xlator_opt="no"
@@ -1124,6 +1125,10 @@ for opt do
   ;;
   --enable-debug-stack-usage) debug_stack_usage="yes"
   ;;
+  --enable-crypto-afalg) crypto_afalg="yes"
+  ;;
+  --disable-crypto-afalg) crypto_afalg="no"
+  ;;
   --disable-docs) docs="no"
   ;;
   --enable-docs) docs="yes"
@@ -1518,6 +1523,7 @@ disabled with --disable-FEATURE, default is enabled if available:
   qom-cast-debug  cast debugging support
   tools           build qemu-io, qemu-nbd and qemu-image tools
   vxhs            Veritas HyperScale vDisk backend support
+  crypto-afalg    Linux AF_ALG crypto backend driver
 
 NOTE: The object files are built at the place where configure is launched
 EOF
@@ -4852,6 +4858,32 @@ if compile_prog "" "" ; then
     have_af_vsock=yes
 fi
 
+##########################################
+# check for usable AF_ALG environment
+hava_afalg=no
+cat > $TMPC << EOF
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/if_alg.h>
+int main(void) {
+    int sock;
+    sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
+    return sock;
+}
+EOF
+if compile_prog "" "" ; then
+    have_afalg=yes
+fi
+if test "$crypto_afalg" = "yes"
+then
+    if test "$have_afalg" != "yes"
+    then
+       error_exit "AF_ALG requested but could not be detected"
+    fi
+fi
+
+
 #################################################
 # Sparc implicitly links with --relax, which is
 # incompatible with -r, so --no-relax should be
@@ -5333,6 +5365,7 @@ echo "seccomp support   $seccomp"
 echo "coroutine backend $coroutine"
 echo "coroutine pool    $coroutine_pool"
 echo "debug stack usage $debug_stack_usage"
+echo "crypto afalg      $crypto_afalg"
 echo "GlusterFS support $glusterfs"
 echo "gcov              $gcov_tool"
 echo "gcov enabled      $gcov"
@@ -5844,6 +5877,10 @@ if test "$debug_stack_usage" = "yes" ; then
   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
 fi
 
+if test "$crypto_afalg" = "yes" ; then
+  echo "CONFIG_AF_ALG=y" >> $config_host_mak
+fi
+
 if test "$open_by_handle_at" = "yes" ; then
   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
 fi