diff --git a/block/Makefile.objs b/block/Makefile.objs
index 3bb85b5..f98d379 100644
--- a/block/Makefile.objs
+++ b/block/Makefile.objs
@@ -23,4 +23,13 @@ common-obj-y += commit.o
 common-obj-y += mirror.o
 common-obj-y += backup.o
 
-$(obj)/curl.o: QEMU_CFLAGS+=$(CURL_CFLAGS)
+iscsi.o-cflags     := $(LIBISCSI_CFLAGS)
+iscsi.o-libs       := $(LIBISCSI_LIBS)
+curl.o-cflags      := $(CURL_CFLAGS)
+curl.o-libs        := $(CURL_LIBS)
+rbd.o-cflags       := $(RBD_CFLAGS)
+rbd.o-libs         := $(RBD_LIBS)
+gluster.o-cflags   := $(GLUSTERFS_CFLAGS)
+gluster.o-libs     := $(GLUSTERFS_LIBS)
+ssh.o-cflags       := $(LIBSSH2_CFLAGS)
+ssh.o-libs         := $(LIBSSH2_LIBS)
diff --git a/configure b/configure
index 9cb9c7b..cbb8f42 100755
--- a/configure
+++ b/configure
@@ -2254,8 +2254,6 @@ EOF
   curl_libs=`$curlconfig --libs 2>/dev/null`
   if compile_prog "$curl_cflags" "$curl_libs" ; then
     curl=yes
-    libs_tools="$curl_libs $libs_tools"
-    libs_softmmu="$curl_libs $libs_softmmu"
   else
     if test "$curl" = "yes" ; then
       feature_not_found "curl"
@@ -2415,8 +2413,6 @@ EOF
   rbd_libs="-lrbd -lrados"
   if compile_prog "" "$rbd_libs" ; then
     rbd=yes
-    libs_tools="$rbd_libs $libs_tools"
-    libs_softmmu="$rbd_libs $libs_softmmu"
   else
     if test "$rbd" = "yes" ; then
       feature_not_found "rados block device"
@@ -2433,9 +2429,6 @@ if test "$libssh2" != "no" ; then
     libssh2_cflags=`$pkg_config libssh2 --cflags`
     libssh2_libs=`$pkg_config libssh2 --libs`
     libssh2=yes
-    libs_tools="$libssh2_libs $libs_tools"
-    libs_softmmu="$libssh2_libs $libs_softmmu"
-    QEMU_CFLAGS="$QEMU_CFLAGS $libssh2_cflags"
   else
     if test "$libssh2" = "yes" ; then
       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
@@ -2651,9 +2644,6 @@ if test "$glusterfs" != "no" ; then
     glusterfs="yes"
     glusterfs_cflags=`$pkg_config --cflags glusterfs-api`
     glusterfs_libs=`$pkg_config --libs glusterfs-api`
-    CFLAGS="$CFLAGS $glusterfs_cflags"
-    libs_tools="$glusterfs_libs $libs_tools"
-    libs_softmmu="$glusterfs_libs $libs_softmmu"
     if $pkg_config --atleast-version=5 glusterfs-api; then
       glusterfs_discard="yes"
     fi
@@ -3021,11 +3011,9 @@ EOF
     libiscsi="yes"
     libiscsi_cflags=$($pkg_config --cflags libiscsi)
     libiscsi_libs=$($pkg_config --libs libiscsi)
-    CFLAGS="$CFLAGS $libiscsi_cflags"
-    LIBS="$LIBS $libiscsi_libs"
   elif compile_prog "" "-liscsi" ; then
     libiscsi="yes"
-    LIBS="$LIBS -liscsi"
+    libiscsi_libs="-liscsi"
   else
     if test "$libiscsi" = "yes" ; then
       feature_not_found "libiscsi"
@@ -4012,8 +4000,9 @@ if test "$bswap_h" = "yes" ; then
   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
 fi
 if test "$curl" = "yes" ; then
-  echo "CONFIG_CURL=y" >> $config_host_mak
+  echo "CONFIG_CURL=m" >> $config_host_mak
   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
+  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
 fi
 if test "$brlapi" = "yes" ; then
   echo "CONFIG_BRLAPI=y" >> $config_host_mak
@@ -4102,7 +4091,9 @@ if test "$glx" = "yes" ; then
 fi
 
 if test "$libiscsi" = "yes" ; then
-  echo "CONFIG_LIBISCSI=y" >> $config_host_mak
+  echo "CONFIG_LIBISCSI=m" >> $config_host_mak
+  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
+  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
 fi
 
 if test "$seccomp" = "yes"; then
@@ -4123,7 +4114,9 @@ if test "$qom_cast_debug" = "yes" ; then
   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
 fi
 if test "$rbd" = "yes" ; then
-  echo "CONFIG_RBD=y" >> $config_host_mak
+  echo "CONFIG_RBD=m" >> $config_host_mak
+  echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
+  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
 fi
 
 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
@@ -4161,7 +4154,9 @@ if test "$getauxval" = "yes" ; then
 fi
 
 if test "$glusterfs" = "yes" ; then
-  echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
+  echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
+  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
+  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
 fi
 
 if test "$glusterfs_discard" = "yes" ; then
@@ -4169,7 +4164,9 @@ if test "$glusterfs_discard" = "yes" ; then
 fi
 
 if test "$libssh2" = "yes" ; then
-  echo "CONFIG_LIBSSH2=y" >> $config_host_mak
+  echo "CONFIG_LIBSSH2=m" >> $config_host_mak
+  echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
+  echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
 fi
 
 if test "$virtio_blk_data_plane" = "yes" ; then
