$ ./configure
checking for gcc... gcc
checking for C compiler default output... a.exe
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for executable suffix... .exe
checking for object suffix... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for ranlib... ranlib
checking whether make sets ${MAKE}... yes
checking for a BSD compatible install... /usr/local/bin/install -c
checking whether ln -s works... yes
checking build system type... i686-pc-cygwin
checking host system type... i686-pc-cygwin
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... no
checking for stdint.h... no
checking for unistd.h... yes
checking for long... yes
checking size of long... 4
checking for sys/ioctl_compat.h... no
checking for termios.h... yes
checking for malloc.h... yes
checking for stdlib.h... (cached) yes
checking for unistd.h... (cached) yes
checking for getpagesize... yes
checking for working mmap... no
checking for mallopt... no
checking for fgetc... yes
checking for gcc option to accept ANSI C... none needed
checking for inline... inline
use ebp and move -fomit-frame-pointer to CFLAGS_MACHINE
checking for socket... yes
checking for gethostbyname... yes
DIRECTORIES
--> Installation:       /usr/local/gprolog-1.2.14
--> Link to binaries:   /usr/local/bin
--> Documentation:      /usr/local/gprolog-1.2.14/doc
--> HTML documentation: /usr/local/gprolog-1.2.14/doc/Html
--> Examples:           /usr/local/gprolog-1.2.14
configure: creating ./config.status
config.status: creating Makefile
config.status: creating TopComp/Makefile
config.status: creating Pl2Wam/Makefile
config.status: creating Wam2Ma/Makefile
config.status: creating Ma2Asm/Makefile
config.status: creating Fd2C/Makefile
config.status: creating Linedit/Makefile
config.status: creating W32GUICons/Makefile
config.status: creating EnginePl/Makefile
config.status: creating BipsPl/Makefile
config.status: creating EngineFD/Makefile
config.status: creating BipsFD/Makefile
config.status: creating EnginePl/gp_config.h
$ make
(cd EnginePl; make config)
make[1]: Entering directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/EnginePl'
gcc -O3   -o pl_config.exe pl_config.c
./pl_config.exe

	-------------------------------
	--- GNU PROLOG INSTALLATION ---
	-------------------------------

GNU Prolog version: 1.2.14 (Jun 20 2002)
Operating system  : cygwin
Processor         : i686
Size of a word    : 32 bits
C compiler        : gcc
C flags           : -O3 
C flags machine   : -mcpu=pentiumpro -fomit-frame-pointer
Loader flags      : 
Loader libraries  : -lm
Use line editor   : Yes
Use piped consult : Yes
Use sockets       : Yes
Use FD solver     : Yes
Use fast call     : Yes
Use machine regs. : Yes
Used register(s)  : ebx ebp 

	------------------------------

(cd ../TopComp; make gplc.exe)
make[2]: Entering directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/TopComp'
gcc -O3  -o gplc.exe top_comp.c -lm
make[2]: Leaving directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/TopComp'
make[1]: Leaving directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/EnginePl'
. ./SETVARS;for i in TopComp EnginePl Wam2Ma Ma2Asm Linedit BipsPl Pl2Wam Fd2C EngineFD BipsFD;do (cd $i; make) || exit 1; done;\
(cd TopComp; make gprolog.exe)
make[1]: Entering directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/TopComp'
gcc -O3  -o hexgplc.exe hexfilter.c
make[1]: Leaving directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/TopComp'
make[1]: Entering directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/EnginePl'
gcc -O3     cpp_headers.c   -o cpp_headers
D=`(cd ..;for i in *;do test -d $i && X="$X c:\My Documents\Build\gprolog-1.2.14/src/$i";done;echo $X)`; ./cpp_headers headers.h gprolog.h $D
Cannot find the location of headers.h
make[1]: *** [gprolog.h] Error 1
make[1]: Leaving directory `/cygdrive/c/My Documents/Build/gprolog-1.2.14/src/EnginePl'
make: *** [all] Error 1