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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.
Attachment:
config-cache-error.patch
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