permit to add things to LDFLAGS for target

Signed-off-by: NJuan Quintela <quintela@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
Message-Id: 

configure

@@ -2075,37 +2075,35 @@ if test "$target_linux_user" = "yes" -o "$target_linux_user" = "yes" ; then
   case "$ARCH" in
   i386)
     if test "$gprof" = "yes" -o "$static" = "yes" ; then
-      ldflags='-Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld'
+      ldflags='-Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld $ldflags'
     else
       # WARNING: this LDFLAGS is _very_ tricky : qemu is an ELF shared object
       # that the kernel ELF loader considers as an executable. I think this
       # is the simplest way to make it self virtualizable!
-      ldflags='-Wl,-shared'
+      ldflags='-Wl,-shared $ldflags'
     fi
     ;;
   sparc)
     # -static is used to avoid g1/g3 usage by the dynamic linker
-    ldflags='-Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
+    ldflags='-Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static $ldflags'
     ;;
   ia64)
-    ldflags='-Wl,-G0 -Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
+    ldflags='-Wl,-G0 -Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static $ldflags'
     ;;
   x86_64|ppc|ppc64|s390|sparc64|alpha|arm|m68k|mips|mips64)
-    ldflags='-Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld'
+    ldflags='-Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld $ldflags'
     ;;
   esac
 fi
 if test "$target_softmmu" = "yes" ; then
   case "$ARCH" in
   ia64)
-    ldflags='-Wl,-G0 -Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static'
+    ldflags='-Wl,-G0 -Wl,-T../config-host.ld -Wl,-T,$(SRC_PATH)/$(ARCH).ld -static $ldflags'
     ;;
   esac
 fi
 
-if test "$ldflags" != "" ; then
-  echo "LDFLAGS+=$ldflags" >> $config_mak
-fi
+echo "LDFLAGS+=$ldflags" >> $config_mak
 
 echo "/* Automatically generated by configure - do not modify */" > $config_h
 echo "#include \"../config-host.h\"" >> $config_h