This is a newlib problem. I've redirected this mail to the appropriate list newlib AT sourceware DOT org.
On Apr 27 15:14, Ernie Coskrey wrote: > I ran into the following problem building the latest cygwin snapshot: > > configure: loading cache .././config.cache > configure: error: `CFLAGS' has changed since the previous run: > configure: former value: -O2 -g -O2 > configure: current value: -O2 -g -O2 > configure: error: changes in the environment can compromise the build > configure: error: run `make distclean' and/or `rm .././config.cache' and > start over > configure: error: /bin/sh '../../../../src/newlib/libc/configure' failed for > libc > > By piping the output to a file, I saw that the former value of CFLAGS is "-O2 > -g -O2 " (two spaces), while the current value is "-O2 -g -O2 " (one space). > This causes the comparison in libc/configure to fail. > > The way I've resolved this is to replace the following line: > > if test "x$ac_old_val" != "x$ac_new_val"; then > > with > > if test "`echo $ac_old_val`" != "`echo $ac_new_val`"; then > > wherever it appears in any "configure" script (there are 75 configure scripts > that contain this test, BTW). There may be a more elegant way around this, > but I haven't found it. Running "make distclean" or removing config.cache > doesn't resolve the problem. > > ----- > Ernie Coskrey SteelEye Technology, Inc. 803-461-3875 Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/