Move -ansi from global_warnings to cxx_warnings

# The following warning flag will give too many warnings:

# -Wshadow -Wunused  -Winline (The later isn't usable in C++ as

# __attribute()__ doesn't work with gnu C++)

global_warnings="-Wimplicit -Wreturn-type -Wswitch -Wtrigraphs -Wcomment -W -Wchar-subscripts -Wformat -Wparentheses -Wsign-compare -Wwrite-strings -ansi"

global_warnings="-Wimplicit -Wreturn-type -Wswitch -Wtrigraphs -Wcomment -W -Wchar-subscripts -Wformat -Wparentheses -Wsign-compare -Wwrite-strings"

#debug_extra_warnings="-Wuninitialized"

c_warnings="$global_warnings -Wunused"

cxx_warnings="$global_warnings -Woverloaded-virtual -Wsign-promo -Wreorder -Wctor-dtor-privacy -Wnon-virtual-dtor"

cxx_warnings="$global_warnings -Woverloaded-virtual -Wsign-promo -Wreorder -Wctor-dtor-privacy -Wnon-virtual-dtor -ansi"

base_max_configs="--with-innodb --with-berkeley-db --with-ndbcluster --with-archive-storage-engine --with-openssl --with-big-tables --with-blackhole-storage-engine --with-federated-storage-engine --with-csv-storage-engine"

base_max_no_ndb_configs="--with-innodb --with-berkeley-db --without-ndbcluster --with-archive-storage-engine --with-openssl --with-big-tables --with-blackhole-storage-engine --with-federated-storage-engine --with-csv-storage-engine"

max_leave_isam_configs="--with-innodb --with-berkeley-db --with-ndbcluster --with-archive-storage-engine --with-federated-storage-engine --with-blackhole-storage-engine --with-csv-storage-engine --with-openssl --with-embedded-server --with-big-tables"