Admin@HP-Pavilion-PC /mnt/clfs/sources/isl-0.12.2
$ make -j4
make  all-recursive
make[1]: Entering directory '/mnt/clfs/sources/isl-0.12.2'
Making all in .
make[2]: Entering directory '/mnt/clfs/sources/isl-0.12.2'
  CCLD   libisl.la
libtool:   error: can't build x86_64-unknown-cygwin shared library unless -no-undefined is specified
Makefile:884: recipe for target 'libisl.la' failed
make[2]: *** [libisl.la] Error 1
make[2]: Leaving directory '/mnt/clfs/sources/isl-0.12.2'
Makefile:1766: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/mnt/clfs/sources/isl-0.12.2'
Makefile:784: recipe for target 'all' failed
make: *** [all] Error 2

Admin@HP-Pavilion-PC /mnt/clfs/sources/isl-0.12.2
$ make -j4
make  all-recursive
make[1]: Entering directory '/mnt/clfs/sources/isl-0.12.2'
Making all in .
make[2]: Entering directory '/mnt/clfs/sources/isl-0.12.2'
  CCLD   libisl.la
Usage: /mnt/clfs/sources/isl-0.12.2/libtool [OPTION]... [MODE-ARG]...
Try 'libtool --help' for more information.
libtool:   error: unrecognised option: '-no-undefined'
Makefile:884: recipe for target 'libisl.la' failed
make[2]: *** [libisl.la] Error 1
make[2]: Leaving directory '/mnt/clfs/sources/isl-0.12.2'
Makefile:1766: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/mnt/clfs/sources/isl-0.12.2'
Makefile:784: recipe for target 'all' failed
make: *** [all] Error 2

Admin@HP-Pavilion-PC /mnt/clfs/sources/isl-0.12.2
$