PostgreSQL 9.5 Alpha 1 build fail with perl 5.22

On 7/2/2015 5:16 PM, Dave Page wrote:
> The PostgreSQL Global Development Group announces that the alpha
> release of PostgreSQL 9.5, the latest version of the world's leading
> open source database, is available today. This release contains
> previews of all of the features which will be available in the final
> release of version 9.5, although some details will change before then.
> Please download, test, and report what you find.
>
> Help Test for Bugs
> ------------------

building on cygwin and

$ perl --version

This is perl 5, version 22, subversion 0 (v5.22.0) built for
cygwin-thread-multi-64int

build fail here, anyone seeing the same on other platforms ?

make -C hstore_plperl all
make[1]: Entering directory
'/cygdrive/e/cyg_pub/devel/postgresql/prova/postgres
ql-9.5alpha1-1.i686/build/contrib/hstore_plperl'
gcc -Wall -Wmissing-prototypes -Wpointer-arith
-Wdeclaration-after-statement -We ndif-labels
-Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -f
wrapv -fexcess-precision=standard -ggdb -O2
-pipe -Wimplicit-function-declaratio n
-I/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/src/postgresql-9.5a
lpha1/src/pl/plperl
-I/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/sr
c/postgresql-9.5alpha1/contrib/hstore -I.
-I/pub/devel/postgresql/prova/postgres
ql-9.5alpha1-1.i686/src/postgresql-9.5alpha1/contrib/hstore_plperl
-I../../src/i nclude
-I/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/src/postgresql-
9.5alpha1/src/include
-I/usr/lib/perl5/5.22/i686-cygwin-threads-64int/CORE -c
-o hstore_plperl.o
/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/src/p
ostgresql-9.5alpha1/contrib/hstore_plperl/hstore_plperl.c
In file included from
/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/sr

c/postgresql-9.5alpha1/contrib/hstore_plperl/hstore_plperl.c:6:0:
/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/src/postgresql-9.5alpha1
/contrib/hstore/hstore.h:79:0: warning:
"HS_KEY" redefined
#define HS_KEY(arr_,str_,i_) ((str_) + HSE_OFF((arr_)[2*(i_)]))
^
In file included from
/usr/lib/perl5/5.22/i686-cygwin-threads-64int/CORE/perl.h:
3730:0,
from
/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/sr
c/postgresql-9.5alpha1/src/pl/plperl/plperl.h:48,
from
/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/sr

c/postgresql-9.5alpha1/contrib/hstore_plperl/hstore_plperl.c:4:
/usr/lib/perl5/5.22/i686-cygwin-threads-64int/CORE/util.h:221:0: note:
this is t he location of the previous definition
# define HS_KEY(setxsubfn, popmark, apiver, xsver) \
^
gcc -Wall -Wmissing-prototypes -Wpointer-arith
-Wdeclaration-after-statement -We ndif-labels
-Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -f
wrapv -fexcess-precision=standard -ggdb -O2
-pipe -Wimplicit-function-declaratio n
-shared -o hstore_plperl.dll -Wl,--out-implib=libhstore_plperl.a
hstore_plpe rl.o -L../../src/port
-L../../src/common -Wl,-no-undefined -Wl,--allow-multiple
-definition -Wl,--enable-auto-import -L/usr/local/lib
-Wl,--as-needed -L../.. /src/backend
-lpostgres -lpgcommon -lpgport -lintl -lssl -lcrypto -lz -lreadline
-lcrypt -lldap
hstore_plperl.o: In function `hstore_to_plperl':
/pub/devel/postgresql/prova/postgresql-9.5alpha1-1.i686/src/postgresql-9.5alpha1
/contrib/hstore_plperl/hstore_plperl.c:16:
undefined reference to `hstoreUpgrade '