1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
# man-gnu-nroff.m4 serial 4
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 `$1 <<EOF | tr -d '\n'
\\n(.g
EOF
` = 1
then
man_cv_prog_gnu_nroff=yes
else
man_cv_prog_gnu_nroff=no
fi])
if test "$man_cv_prog_gnu_nroff" = "yes"
then
AC_CHECK_PROGS([preconv], [gpreconv preconv])
if test -z "$preconv"
then
AC_MSG_ERROR([nroff is GNU nroff but preconv is missing; groff < 1.20 is not supported])
fi
AC_DEFINE([GNU_NROFF], [1], [Define if nroff is GNU nroff.])
fi
AC_MSG_RESULT([$man_cv_prog_gnu_nroff])
])
|
