From ca57057f598bfc7119f79f71bf38ec88244ab396 Mon Sep 17 00:00:00 2001
From: Cy Schubert <cy@FreeBSD.org>
Date: Wed, 31 Aug 2016 00:08:49 +0000
Subject: Import am-utils 6.2,

Suggested by:	pfg@
Obtained from:	ftp://ftp.am-utils.org/pub/am-utils/
---
 m4/macros/check_amu_fs.m4 | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 m4/macros/check_amu_fs.m4

(limited to 'm4/macros/check_amu_fs.m4')

diff --git a/m4/macros/check_amu_fs.m4 b/m4/macros/check_amu_fs.m4
new file mode 100644
index 000000000000..fc31f9e29639
--- /dev/null
+++ b/m4/macros/check_amu_fs.m4
@@ -0,0 +1,40 @@
+dnl ######################################################################
+dnl check if an automounter filesystem exists (it almost always does).
+dnl Usage: AC_CHECK_AMU_FS(<fs>, <msg>, [<depfs>])
+dnl Print the message in <msg>, and declare HAVE_AMU_FS_<fs> true.
+dnl If <depfs> is defined, then define this filesystem as tru only of the
+dnl filesystem for <depfs> is true.
+AC_DEFUN([AMU_CHECK_AMU_FS],
+[
+# store variable name of fs
+ac_upcase_am_fs_name=`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ac_safe=HAVE_AMU_FS_$ac_upcase_am_fs_name
+# check for cache and set it if needed
+AMU_CACHE_CHECK_DYNAMIC(for $2 filesystem ($1),
+ac_cv_am_fs_$1,
+[
+# true by default
+eval "ac_cv_am_fs_$1=yes"
+# if <depfs> exists but is defined to "no", set this filesystem to no.
+if test -n "$3"
+then
+  # flse by default if arg 3 was supplied
+  eval "ac_cv_am_fs_$1=no"
+  if test "`eval echo '$''{ac_cv_fs_'$3'}'`" = yes
+  then
+    eval "ac_cv_am_fs_$1=yes"
+  fi
+  # some filesystems do not have a mnttab entry, but exist based on headers
+  if test "`eval echo '$''{ac_cv_fs_header_'$3'}'`" = yes
+  then
+    eval "ac_cv_am_fs_$1=yes"
+  fi
+fi
+])
+# check if need to define variable
+if test "`eval echo '$''{ac_cv_am_fs_'$1'}'`" = yes
+then
+  AC_DEFINE_UNQUOTED($ac_safe)
+fi
+])
+dnl ======================================================================
-- 
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