Does not compile on mingw

[LiSongMWO]

$ make
gcc -O2 -Wall -Werror -std=gnu99 -D_GNU_SOURCE -g3 -MMD -MP -MF.deps/branch.o.d -c -o branch.o -c branch.c
In file included from branch.c:15:0:
bitset.h: In function 'bitset_init':
bitset.h:17:16: error: 'LONG_BIT' undeclared (first use in this function)
bitset.h:17:16: note: each undeclared identifier is reported only once for each function it appears in
bitset.h: In function 'bitset_set':
bitset.h:31:45: error: 'LONG_BIT' undeclared (first use in this function)
bitset.h: In function 'bitset_reset':
bitset.h:41:45: error: 'LONG_BIT' undeclared (first use in this function)
make: *** [branch.o] Error 1

LONG_BIT is not a standard define in limits.h.

[rcls]

Hi, I looked into and found I was using quite a few Linuxisms:

vasprintf, dup3, timegm, localtime_r, gmtime_r, getline, strdup, strndup and open_memstream ...

I see what I can do, but for now you might have better luck using cygwin? [Or Linux :)]