Enable BUILD scripts to work with clang

BUILD/FINISH.sh

@@ -61,7 +61,8 @@ if [ -z "$just_configure" -a -z "$just_clean" ]
 then
   commands="$commands
 
-$make $AM_MAKEFLAGS $AM_EXTRA_MAKEFLAGS"
+$make $AM_MAKEFLAGS $AM_EXTRA_MAKEFLAGS
+$make tags"
 
   if [ "x$strip" = "xyes" ]
   then

BUILD/SETUP.sh

@@ -276,7 +276,7 @@ then
   CCACHE_GCOV_VERSION_ENABLED=1
 fi
 
-if ccache -V > /dev/null 2>&1 && test "$CCACHE_GCOV_VERSION_ENABLED" = "1"
+if ccache -V > /dev/null 2>&1 && test "$CCACHE_GCOV_VERSION_ENABLED" = "1" && test "$CC" = "gcc"
 then
     if test -x /usr/lib64/ccache/gcc
     then