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[Qemu-devel] [PATCH] Add a --enable-debug-tcgv option to configure


From: Stuart Brady
Subject: [Qemu-devel] [PATCH] Add a --enable-debug-tcgv option to configure
Date: Sun, 12 Apr 2009 23:37:13 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

This patch allows DEBUG_TCGV to be defined by passing an option to the
configure script.  This should help to prevent any accidental changes
that enable DEBUG_TCGV in tcg/tcg.h from being committed in future,
and may help to encourage testing with DEBUG_TCGV enabled.

(My thinking being that it would often be handy to use two build
directories, one for building with DEBUG_TCGV enabled and one for
building without DEBUG_TCGV enabled, as this would avoid the need to
edit tcg/tcg.h.)

Signed-off-by: Stuart Brady <address@hidden>

Index: tcg/tcg.h
===================================================================
--- tcg/tcg.h   (revision 7095)
+++ tcg/tcg.h   (working copy)
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu-common.h"
 #include "tcg-target.h"
 
 #if TCG_TARGET_REG_BITS == 32
@@ -120,8 +121,6 @@
    are aliases for target_ulong and host pointer sized values respectively.
  */
 
-//#define DEBUG_TCGV 1
-
 #ifdef DEBUG_TCGV
 
 typedef struct
Index: configure
===================================================================
--- configure   (revision 7095)
+++ configure   (working copy)
@@ -153,6 +153,7 @@
   ;;
 esac
 gprof="no"
+debug_tcgv="no"
 sparse="no"
 strip_opt="yes"
 bigendian="no"
@@ -394,6 +395,10 @@
   ;;
   --audio-drv-list=*) audio_drv_list="$optarg"
   ;;
+  --enable-debug-tcgv) debug_tcgv="yes"
+  ;;
+  --disable-debug-tcgv) debug_tcgv="no"
+  ;;
   --enable-sparse) sparse="yes"
   ;;
   --disable-sparse) sparse="no"
@@ -562,6 +567,8 @@
 echo "  --make=MAKE              use specified make [$make]"
 echo "  --install=INSTALL        use specified install [$install]"
 echo "  --static                 enable static build [$static]"
+echo "  --enable-debug-tcgv      enable TCGv debugging"
+echo "  --disable-debug-tcgv     disable TCGv debugging (default)"
 echo "  --enable-sparse          enable sparse checker"
 echo "  --disable-sparse         disable sparse checker (default)"
 echo "  --disable-strip          disable stripping binaries"
@@ -1359,6 +1366,9 @@
     exit 1
   ;;
 esac
+if test "$debug_tcgv" = "yes" ; then
+  echo "#define DEBUG_TCGV 1" >> $config_h
+fi
 if test "$sparse" = "yes" ; then
   echo "CC      := REAL_CC=\"\$(CC)\" cgcc"       >> $config_mak
   echo "HOST_CC := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_mak
-- 
Stuart Brady




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