mysql_upgrade portability fixes

client/mysql_upgrade.c:
  Add defines for WEXITSTATUS
  Pass arguments on command line instead of --defaults-file=<temp file>
mysql-test/r/mysql_upgrade.result:
  When testing that mysql_upgrade detect if mysqlcheck fails, use an option that
  is used on all platforms.
mysql-test/t/mysql_upgrade.test:
  When testing that mysql_upgrade detect if mysqlcheck fails, use an option that
  is used on all platforms.
scripts/comp_sql.c:
  Some compilers have a max string length, insert a newline at
  every 512th char in long strings

1 files changed, 9 insertions, 0 deletions

diff --git a/scripts/comp_sql.c b/scripts/comp_sql.c
index 328dab0cf13..53359d384c1 100644
--- a/scripts/comp_sql.c
+++ b/scripts/comp_sql.c
@@ -106,6 +106,15 @@ int main(int argc, char *argv[])
         curr++;
       }
     }
+    if (*(curr-1) != '\n')
+    {
+      /*
+        Some compilers have a max string length,
+        insert a newline at every 512th char in long
+        strings
+      */
+      fprintf(out, "\"\n\"");
+    }
   }
 
   fprintf(out, "\\\n\"};\n");