problems building with msys

Im having problems building the new snapshot of postgres 8 dev? i keep 
getting this error when i run the make command:

make -C ../../src/port all
make[4]: Entering directory `/src/postgresql-snapshot/src/port'
make[4]: Nothing to be done for `all'.
make[4]: Leaving directory `/src/postgresql-snapshot/src/port'
make[3]: Leaving directory `/src/postgresql-snapshot/src/timezone'
dlltool --dllname postgres.exe --output-exp postgres.exp --def postgres.def
gcc -O2 -fno-strict-aliasing -Wall -Wmissing-prototypes 
-Wmissing-declarations -L../../src/port   -o postgres.exe 
-Wl,--base-file,postgres.base postgres.exp access/SUBSYS.o 
bootstrap/SUBSYS.o catalog/SUBSYS.o parser/SUBSYS.o commands/SUBSYS.o 
executor/SUBSYS.o lib/SUBSYS.o libpq/SUBSYS.o main/SUBSYS.o 
nodes/SUBSYS.o optimizer/SUBSYS.o port/SUBSYS.o postmaster/SUBSYS.o 
regex/SUBSYS.o rewrite/SUBSYS.o storage/SUBSYS.o tcop/SUBSYS.o 
utils/SUBSYS.o ../../src/timezone/SUBSYS.o -lpgport -lwsock32 -lm  -lws2_32
../../src/port/libpgport.a(dirmod.o)(.text+0x33a):dirmod.c: undefined 
reference to `_imp__CurrentMemoryContext'
../../src/port/libpgport.a(dirmod.o)(.text+0x39b):dirmod.c: undefined 
reference to `_imp__CurrentMemoryContext'
make[2]: *** [postgres] Error 1
make[2]: Leaving directory `/src/postgresql-snapshot/src/backend'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/src/postgresql-snapshot/src'
make: *** [all] Error 2

I know it must be something im missing any ideas anyone?
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