Configure error from Cygwin CVS HEAD

[David Rothenberger]

I'm getting an error from configure when trying to build Cygwin CVS
HEAD. The error is:

configure: configuring in cygwin
configure: running /bin/sh '/netrel/src/cygwin/winsup/cygwin/configure' --prefix=/usr  '--cache-file=./config.cache' '--with-newlib' '--enable-multilib' '--prefix=/usr' '--exec-prefix=/usr' '--sysconfdir=/etc' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--libdir=/usr/lib' '--includedir=/nonexistent/include' '--libexecdir=/usr/sbin' '--program-transform-name=s,y,y,' '--with-target-subdir=i686-pc-cygwin' '--build=i686-pc-cygwin' '--host=i686-pc-cygwin' '--target=i686-pc-cygwin' '--srcdir=/netrel/src/cygwin/winsup' 'CC=gcc -L/netrel/build/cygwin/i686-pc-cygwin/winsup -L/netrel/build/cygwin/i686-pc-cygwin/winsup/cygwin -L/netrel/build/cygwin/i686-pc-cygwin/winsup/w32api/lib -isystem /netrel/src/cygwin/winsup/include -isystem /netrel/src/cygwin/winsup/cygwin/include -isystem /netrel/src/cygwin/winsup/w32api/include -B/netrel/build/cygwin/i686-pc-cygwin/newlib/ -isystem /netrel/build/cygwin/i686-pc-cygwin/newlib/targ-include -isystem /netrel/src/cygwin/newlib/libc/inclu
de'
'CFLAGS=-O2 -O2 -gstabs+ ' 'CPPFLAGS=' 'CXXFLAGS=-O2 -gstabs+ ' 'CXX=g++ -L/netrel/build/cygwin/i686-pc-cygwin/winsup -L/netrel/build/cygwin/i686-pc-cygwin/winsup/cygwin -L/netrel/build/cygwin/i686-pc-cygwin/winsup/w32api/lib -isystem /netrel/src/cygwin/winsup/include -isystem /netrel/src/cygwin/winsup/cygwin/include -isystem /netrel/src/cygwin/winsup/w32api/include -B/netrel/build/cygwin/i686-pc-cygwin/newlib/ -isystem /netrel/build/cygwin/i686-pc-cygwin/newlib/targ-include -isystem /netrel/src/cygwin/newlib/libc/include' 'LDFLAGS=' 'build_alias=i686-pc-cygwin' 'host_alias=i686-pc-cygwin' 'target_alias=i686-pc-cygwin' --cache-file=.././config.cache --srcdir=/netrel/src/cygwin/winsup/cygwin
configure: loading cache .././config.cache
configure: error: `CFLAGS' has changed since the previous run:
configure:   former value:  -O2 -O2 -gstabs+
configure:   current value: -O2 -O2 -gstabs+
configure: error: `CXXFLAGS' has changed since the previous run:
configure:   former value:  -O2 -gstabs+
configure:   current value: -O2 -gstabs+
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 '/netrel/src/cygwin/winsup/cygwin/configure' failed for cygwin
make[1]: *** [configure-target-winsup] Error 1
make[1]: Leaving directory `/netrel/build/cygwin'
make: *** [all] Error 2

Although the former and current values look the same, the former
value actually has two trailing spaces while the current value has
only one. The attached patch solves the problem for me, but I doubt
it is the appropriate way to fix this. Is there a better way?

-- 
David Rothenberger  ----  daveroth@acm.org

First Law of Socio-Genetics:
        Celibacy is not hereditary.
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