"M R Swami Reddy" <MR.Swami.Reddy@xxxxxxx> writes: > i ran the configure from an empty directory with below configure options. > === > ../../trunk/configure --prefix=/cygdrive/g/user/swami/crx/CR_R_gcc-4.3-branch/w > in-build/rel --target=crx-elf --disable-nls --enable-languages=c,c++ > --disable-libssp > --with-mpfr=/cygdrive/g/user/swami/crx/CR_R_gcc-4.3-branch/win-build/rel > --with-gmp=/cygdrive/g/user/swami/crx/CR_R_gcc-4.3-branch/win-build/rel > ==== > > $ make all > == > checking dependency style of gcc... none > configure: error: no usable dependency style found > make[1]: *** [configure-libcpp] Error 1 > === I don't know what could cause this myself. It may help to ask on a cygwin mailing list. Ian