Again for 1.4 Cygwin result was a 0 bytes Makefile
./ configure ends
...
configure: creating ./config.status
config.status: creating Makedefs
sed: -e expression #1, char 590: invalid reference \1 on `s' command's
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config.status: creating test/Makefile
sed: -e expression #1, char 607: invalid reference \1 on `s' command's
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config.status: creating apps/ivib/plugins/Makefile
sed: -e expression #1, char 658: invalid reference \1 on `s' command's
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config.status: creating apps/ivib/Makefile
sed: -e expression #1, char 628: invalid reference \1 on `s' command's
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config.status: creating apps/oidoc/Makefile
sed: -e expression #1, char 631: invalid reference \1 on `s' command's
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config.status: creating apps/Makefile
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config.status: creating lib/xml/Makefile
sed: -e expression #1, char 622: invalid reference \1 on `s' command's
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config.status: creating lib/gui/Makefile
sed: -e expression #1, char 622: invalid reference \1 on `s' command's
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config.status: creating lib/main/Makefile
sed: -e expression #1, char 625: invalid reference \1 on `s' command's
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config.status: creating lib/ipl/Makefile
sed: -e expression #1, char 622: invalid reference \1 on `s' command's
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config.status: creating lib/native/Makefile
sed: -e expression #1, char 631: invalid reference \1 on `s' command's
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config.status: creating lib/iyacc/test/Makefile
sed: -e expression #1, char 649: invalid reference \1 on `s' command's
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config.status: creating lib/iyacc/Makefile
sed: -e expression #1, char 628: invalid reference \1 on `s' command's
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config.status: creating lib/incl/Makefile
sed: -e expression #1, char 625: invalid reference \1 on `s' command's
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config.status: creating lib/parser/Makefile
sed: -e expression #1, char 631: invalid reference \1 on `s' command's
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config.status: creating lib/Makefile
sed: -e expression #1, char 604: invalid reference \1 on `s' command's
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config.status: creating base/common/Makefile
sed: -e expression #1, char 634: invalid reference \1 on `s' command's
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config.status: creating base/rtt/Makefile
sed: -e expression #1, char 625: invalid reference \1 on `s' command's
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config.status: creating base/oit/Makefile
sed: -e expression #1, char 625: invalid reference \1 on `s' command's
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config.status: creating base/oix/Makefile
sed: -e expression #1, char 625: invalid reference \1 on `s' command's
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config.status: creating base/Makefile
sed: -e expression #1, char 607: invalid reference \1 on `s' command's
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config.status: creating Makefile
sed: -e expression #1, char 590: invalid reference \1 on `s' command's
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config.status: creating paths.sh
sed: -e expression #1, char 590: invalid reference \1 on `s' command's
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config.status: creating base/h/version.h
sed: -e expression #1, char 621: invalid reference \1 on `s' command's
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config.status: creating base/h/define.h
sed: -e expression #1, char 619: invalid reference \1 on `s' command's
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config.status: creating base/h/auto.h
config.status: executing system commands
Summary:-
Installation prefix : /usr/local
X11 graphics : yes
jpeg library : yes
Xft anti-aliased fonts : no
Xpm : yes
zlib compression : yes
dynamic loading : yes
mysql lib : no
context switch : config/system/cygwin_x86/rswitch.s