running gmake on windows 7/64

gcc -I./include -I./include/pmc -DWIN32 -DWINVER=Windows2000  -DHASATTRIBUTE_CONST  -DHASATTRIBUTE_DEPRECATED  -DHASATTRIBUTE_MALLOC  -DHASATTRIBUTE_NONNULL  -DHASATTRIBUTE_NORETURN  -DHASATTRIBUTE_PURE  -DHASATTRIBUTE_UNUSED  -DHASATTRIBUTE_WARN_UNUSED_RESULT  -DHASATTRIBUTE_HOT  -DHASATTRIBUTE_COLD  -g     -falign-functions=16 -funit-at-a-time -maccumulate-outgoing-args -W -Wall -Waggregate-return -Wcast-align -Wcast-qual -Wchar-subscripts -Wcomment -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat -Wformat-extra-args -Wformat-nonliteral -Wformat-security -Wformat-y2k -Wimplicit -Wimport -Winit-self -Winline -Winvalid-pch -Wlogical-op -Wmissing-braces -Wmissing-field-initializers -Wno-missing-format-attribute -Wmissing-include-dirs -Wmultichar -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wreturn-type -Wsequence-point -Wsign-compare -Wstrict-aliasing -Wstrict-aliasing=2 -Wswitch -Wswitch-default -Wtrigraphs -Wundef -Wno-unused -Wunknown-pragmas -Wvariadic-macros -Wwrite-strings -Wc++-compat -Wdeclaration-after-statement -Werror=declaration-after-statement -Wimplicit-function-declaration -Wimplicit-int -Wmain -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wnonnull -Wold-style-definition -Wstrict-prototypes -Isrc/string -Isrc/ -o src/string/api.o -c src/string/api.c

In file included from ./include/parrot/parrot.h:36,
                 from src/string/api.c:27:
./include/parrot/config.h:134:5: error: #if with no expression
gmake: *** [src/string/api.o] Error 1