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# man-gnu-nroff.m4 serial 2
dnl
dnl Check to see if nroff is GNU nroff, take nroff path as arg.
dnl
AC_DEFUN([MAN_PROG_GNU_NROFF],
[AC_MSG_CHECKING([whether nroff is GNU nroff])
AC_CACHE_VAL([man_cv_prog_gnu_nroff],
[if test `$1 <<EOF | tr -d '\n'
\\n(.g
EOF
` -eq 1
then
man_cv_prog_gnu_nroff=yes
else
man_cv_prog_gnu_nroff=no
fi])
if test "$man_cv_prog_gnu_nroff" = "yes"
then
AC_DEFINE([GNU_NROFF], [1], [Define if nroff is GNU nroff.])
fi
AC_MSG_RESULT([$man_cv_prog_gnu_nroff])
])
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