[physfs] Compiling PhysicsFS 1.0.X under msys (zlib installed)

[Ryan C. Gordon]

> i:\msys\1.0\bin\..\lib\gcc\mingw32\3.4.2\..\..\..\..\mingw32\bin\ld.exe: warning: cannot find entry symbol _DllMainCRTStartup at 12; defaulting to 00401000
> i:/msys/1.0/bin/../lib/gcc/mingw32/3.4.2/../../../libmingw32.a(main.o)(.text+0x106):main.c: undefined reference to `WinMain at 16'

Looks like it's trying to build the library as an .EXE. Likely the 
autoconf/automake/libtool/whatever scripts need to be updated to support 
MSYS.

--ryan.