Building Error: 'float.h': No such file

[Gelsonrei]

Hi!

After starting compilation with make, it ends up with this:

$ make
-------------------------------------------------------------------------------
              Building crutil.dll for WIN_NT (RELEASE)
-------------------------------------------------------------------------------
Compiling bbox.c
bbox.c(7) : fatal error C1083: Cannot open include file: 'float.h': No such file
or directory
make[2]: *** [../built/crutil/WIN_NT/bbox.obj] Error 2
make[1]: *** [dep] Error 2
make: *** [util.subdir] Error 2

I dont know what hapening, I found this file in C:\cygwin\lib\gcc\i686-pc-cygwin\3.4.4\include

Any body can help!

My configuration:
WinXP
MS Visual C++ version 6
CYGWIN_NT-5.1 1.5.24(0.156/4/2) 2007-01-31 10:57 i686 Cygwin
Chromium-1.9