Backported fix for ccache

Fixed compiler warnings
Added --big-test to tokudb change_column_char & change_column_bin

BUILD/SETUP.sh

@@ -31,6 +31,7 @@ Usage: $0 [-h|-n] [configure-options]
   -h, --help              Show this help message.
   -n, --just-print        Don't actually run any commands; just print them.
   -c, --just-configure    Stop after running configure.
+                          Combined with --just-print shows configure options.
   --extra-configs=xxx     Add this to configure options
   --extra-flags=xxx       Add this C and CXX flags
   --extra-cflags=xxx      Add this to C flags
@@ -257,6 +258,10 @@ fi
 # (http://samba.org/ccache) is installed, use it.
 # We use 'grep' and hope 'grep' will work as expected
 # (returns 0 if finds lines)
+
+# As cmake doesn't like CC and CXX with a space, use symlinks from
+# /usr/lib64/ccache if they exits.
+
 if test "$USING_GCOV" != "1"
 then
   # Not using gcov; Safe to use ccache
@@ -265,8 +270,14 @@ fi
 
 if ccache -V > /dev/null 2>&1 && test "$CCACHE_GCOV_VERSION_ENABLED" = "1"
 then
-  echo "$CC" | grep "ccache" > /dev/null || CC="ccache $CC"
-  echo "$CXX" | grep "ccache" > /dev/null || CXX="ccache $CXX"
+    if test -x /usr/lib64/ccache/gcc
+    then
+        CC=/usr/lib64/ccache/gcc
+    fi
+    if test -x /usr/lib64/ccache/g++
+    then
+        CXX=/usr/lib64/ccache/g++
+    fi
 fi
 
 # gcov

storage/connect/json.cpp

@@ -594,7 +594,7 @@ PSZ Serialize(PGLOBAL g, PJSON jsp, char *fn, int pretty)
   if (fs) {
 		fputs(EL, fs);
     fclose(fs);
-		str = (err) ? NULL : "Ok";
+		str = (err) ? NULL : (char*) "Ok";
   } else if (!err) {
     str = ((JOUTSTR*)jp)->Strp;
     jp->WriteChr('\0');

storage/connect/jsonudf.cpp

@@ -3365,7 +3365,7 @@ my_bool jsoncontains_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
 long long jsoncontains(UDF_INIT *initid, UDF_ARGS *args, char *result,
 	unsigned long *res_length, char *is_null, char *error)
 {
-	char         *p, res[256];
+	char         *p __attribute__((unused)), res[256];
 	long long     n;
 	unsigned long reslen;
 

storage/tokudb/mysql-test/tokudb/t/change_column_bin.py

@@ -24,6 +24,7 @@ def gen_test(n):
 def main():
     print "# this test is generated by change_bin.py"
     print "# test binary expansion is hot"
+    print "--source include/big_test.inc"
     print "--disable_warnings"
     print "DROP TABLE IF EXISTS t,ti;"
     print "--enable_warnings"

storage/tokudb/mysql-test/tokudb/t/change_column_bin.test

 source include/have_tokudb.inc;
 # this test is generated by change_bin.py
 # test binary expansion is hot
+--source include/big_test.inc
 --disable_warnings
 DROP TABLE IF EXISTS t,ti;
 --enable_warnings

storage/tokudb/mysql-test/tokudb/t/change_column_char.py

@@ -24,6 +24,7 @@ def gen_test(n):
 def main():
     print "# this test is generated by change_char.py"
     print "# test char expansion"
+    print "--source include/big_test.inc"
     print "--disable_warnings"
     print "DROP TABLE IF EXISTS t,ti;"
     print "--enable_warnings"

storage/tokudb/mysql-test/tokudb/t/change_column_char.test

 source include/have_tokudb.inc;
 # this test is generated by change_char.py
 # test char expansion
+--source include/big_test.inc
 --disable_warnings
 DROP TABLE IF EXISTS t,ti;
 --enable_warnings