Prepending ./configure generated options to CFLAGS rather than appending them

configure.ac

@@ -333,18 +333,18 @@ AC_ARG_ENABLE(debug,
               , enable_debug=yes)
 if test x$enable_debug != xyes; then
     if test x$GCC = xyes; then
-        CFLAGS="$CFLAGS -O3"
-        CFLAGS="$CFLAGS -fexpensive-optimizations"
+        CFLAGS="-O3 $CFLAGS"
+        CFLAGS="-fexpensive-optimizations $CFLAGS"
     fi
-    CFLAGS="$CFLAGS -DNDEBUG"
+    CFLAGS="-DNDEBUG $CFLAGS"
 else
     if test x$GCC = xyes; then
-        CFLAGS="$CFLAGS -g -pedantic -Wall"
+        CFLAGS="-g -pedantic -Wall $CFLAGS"
     fi
-    CFLAGS="$CFLAGS -DDEBUG"
+    CFLAGS="-DDEBUG $CFLAGS"
 fi
 
-CFLAGS="$CFLAGS $READLINE_DEF $LIBACL_DEF $XATTR_DEF $EXTF_DEF $EXTF_SUID_DEF $ZLIB_DEF $LIBJTE_DEF $XORRISO_DVD_OBS_64K"
+CFLAGS="$READLINE_DEF $LIBACL_DEF $XATTR_DEF $EXTF_DEF $EXTF_SUID_DEF $ZLIB_DEF $LIBJTE_DEF $XORRISO_DVD_OBS_64K $CFLAGS"
 
 AC_CONFIG_FILES([
 	Makefile

xorriso/configure_ac.txt

@@ -130,15 +130,15 @@ AC_ARG_ENABLE(debug,
               , enable_debug=yes)
 if test x$enable_debug != xyes; then
     if test x$GCC = xyes; then
-        CFLAGS="$CFLAGS -O3"
-        CFLAGS="$CFLAGS -fexpensive-optimizations"
+        CFLAGS="-O3 $CFLAGS"
+        CFLAGS="-fexpensive-optimizations $CFLAGS"
     fi
-    CFLAGS="$CFLAGS -DNDEBUG"
+    CFLAGS="-DNDEBUG $CFLAGS"
 else
     if test x$GCC = xyes; then
-        CFLAGS="$CFLAGS -g -pedantic -Wall"
+        CFLAGS="-g -pedantic -Wall $CFLAGS"
     fi
-    CFLAGS="$CFLAGS -DDEBUG"
+    CFLAGS="-DDEBUG $CFLAGS"
 fi
 
 

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2010.12.12.120823"
+#define Xorriso_timestamP "2010.12.13.123226"