manual page formatting tests

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5662 ec53bebd-3082-4978-b11e-865c3cabbd6b

cf/check-man.m4

@@ -0,0 +1,59 @@
+dnl $Id$
+dnl check how to format manual pages
+dnl
+
+AC_DEFUN(AC_CHECK_MAN,
+[AC_PATH_PROG(NROFF, nroff)
+AC_PATH_PROG(GROFF, groff)
+AC_CACHE_CHECK(how to format man pages,ac_cv_sys_man_format,
+[cat > conftest.1 << END
+.Dd January 1, 1970
+.Dt CONFTEST 1
+.Sh NAME
+.Nm conftest
+.Nd
+foobar
+END
+
+if test "$NROFF" ; then
+	for i in "-mdoc" "-mandoc"; do
+		if "$NROFF" $i conftest.1 2> /dev/null | \
+			grep Jan > /dev/null 2>&1 ; then
+			ac_cv_sys_man_format="$NROFF $i"
+			break
+		fi
+	done
+fi
+if test "$ac_cv_sys_man_format" = "" -a "$GROFF" ; then
+	for i in "-mdoc" "-mandoc"; do
+		if "$GROFF" -Tascii $i conftest.1 2> /dev/null | \
+			grep Jan > /dev/null 2>&1 ; then
+			ac_cv_sys_man_format="$GROFF -Tascii $i"
+			break
+		fi
+	done
+fi
+if test "$ac_cv_sys_man_format"; then
+	ac_cv_sys_man_format="$ac_cv_sys_man_format \$< > \$@"
+fi
+])
+if test "$ac_cv_sys_man_format"; then
+	CATMAN="$ac_cv_sys_man_format"
+	AC_SUBST(CATMAN)
+fi
+AM_CONDITIONAL(CATMAN, test "$CATMAN")
+AC_CACHE_CHECK(extension of pre-formatted manual pages,ac_cv_sys_catman_ext,
+if grep _suffix /etc/man.conf > /dev/null 2>&1; then
+	ac_cv_sys_catman_ext=0
+else
+	ac_cv_sys_catman_ext=number
+fi
+)
+if test "$ac_cv_sys_catman_ext" = number; then
+	CATMANEXT='$$ext'
+else
+	CATMANEXT=0
+fi
+AC_SUBST(CATMANEXT)
+
+])