I have downloaded a gcc zip file, then unzip it under the same directory of the cygwin files.Restart the configure command again but still failed,the error information is as follow:
$ ./configure
loading cache ./config.cache
checking for a BSD compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... no
checking for working aclocal... missing
checking for working autoconf... missing
checking for working automake... missing
checking for working autoheader... missing
checking for working makeinfo... found
checking for mawk... no
checking for gawk... gawk
checking for gcc... no
checking for cc... no
configure: error: no acceptable cc found in $PATH