X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fls-mntd-fs.m4;h=40a2fb17cff23343c072aede92734b6f02ebeb3e;hb=2c33d34e2a0d9cb0fa744c08c660c145979615bf;hp=79bcb069e16f35c7e9be72bfc16c1d7713b9e588;hpb=ba30b8161c853e9e4a316b536d23c7f5a563e347;p=gnulib.git

diff --git a/m4/ls-mntd-fs.m4 b/m4/ls-mntd-fs.m4
index 79bcb069e..40a2fb17c 100644
--- a/m4/ls-mntd-fs.m4
+++ b/m4/ls-mntd-fs.m4
@@ -1,4 +1,4 @@
-#serial 1
+#serial 3
 
 dnl From Jim Meyering.
 dnl
@@ -11,10 +11,13 @@ dnl FIXME: add AC_REQUIRE uses to pull in all definitions required
 dnl for all uses of $ac_cv_func_* and $ac_cv_header_* variables below.
 dnl
 
+AC_PREREQ(2.14a)
+
+# jm_LIST_MOUNTED_FILESYSTEMS([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
 AC_DEFUN(jm_LIST_MOUNTED_FILESYSTEMS,
   [
 # Determine how to get the list of mounted filesystems.
-list_mounted_fs=
+ac_list_mounted_fs=
 
 # If the getmntent function is available but not in the standard library,
 # make sure LIBS contains -lsun (on Irix4) or -lseq (on PTX).
@@ -29,7 +32,7 @@ AC_FUNC_GETMNTENT
 # I think there is too great a chance that some non-Cray system has a
 # function named listmntent to risk the false positive.
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   # Cray UNICOS 9
   AC_MSG_CHECKING([for listmntent of Cray/Unicos-9])
   AC_CACHE_VAL(fu_cv_sys_mounted_cray_listmntent,
@@ -45,8 +48,10 @@ yes
   )
   AC_MSG_RESULT($fu_cv_sys_mounted_cray_listmntent)
   if test $fu_cv_sys_mounted_cray_listmntent = yes; then
-    list_mounted_fs=found
-    AC_DEFINE(MOUNTED_LISTMNTENT)
+    ac_list_mounted_fs=found
+    AC_DEFINE(MOUNTED_LISTMNTENT, 1,
+      [Define if there is a function named listmntent that can be used to
+   list all mounted filesystems. (UNICOS)])
   fi
 fi
 
@@ -55,7 +60,7 @@ if test $ac_cv_func_getmntent = yes; then
   # This system has the getmntent function.
   # Determine whether it's the one-argument variant or the two-argument one.
 
-  if test -z "$list_mounted_fs"; then
+  if test -z "$ac_list_mounted_fs"; then
     # 4.3BSD, SunOS, HP-UX, Dynix, Irix
     AC_MSG_CHECKING([for one-argument getmntent function])
     AC_CACHE_VAL(fu_cv_sys_mounted_getmntent1,
@@ -64,12 +69,15 @@ if test $ac_cv_func_getmntent = yes; then
 		   || fu_cv_sys_mounted_getmntent1=no])
     AC_MSG_RESULT($fu_cv_sys_mounted_getmntent1)
     if test $fu_cv_sys_mounted_getmntent1 = yes; then
-      list_mounted_fs=found
-      AC_DEFINE(MOUNTED_GETMNTENT1)
+      ac_list_mounted_fs=found
+      AC_DEFINE(MOUNTED_GETMNTENT1, 1,
+  [Define if there is a function named getmntent for reading the list
+   of mounted filesystems, and that function takes a single argument.
+   (4.3BSD, SunOS, HP-UX, Dynix, Irix)])
     fi
   fi
 
-  if test -z "$list_mounted_fs"; then
+  if test -z "$ac_list_mounted_fs"; then
     # SVR4
     AC_MSG_CHECKING([for two-argument getmntent function])
     AC_CACHE_VAL(fu_cv_sys_mounted_getmntent2,
@@ -78,18 +86,20 @@ if test $ac_cv_func_getmntent = yes; then
       fu_cv_sys_mounted_getmntent2=no)])
     AC_MSG_RESULT($fu_cv_sys_mounted_getmntent2)
     if test $fu_cv_sys_mounted_getmntent2 = yes; then
-      list_mounted_fs=found
-      AC_DEFINE(MOUNTED_GETMNTENT2)
+      ac_list_mounted_fs=found
+      AC_DEFINE(MOUNTED_GETMNTENT2, 1,
+  [Define if there is a function named getmntent for reading the list of
+   mounted filesystems, and that function takes two arguments.  (SVR4)])
     fi
   fi
 
-  if test -z "$list_mounted_fs"; then
+  if test -z "$ac_list_mounted_fs"; then
     AC_MSG_ERROR([could not determine how to read list of mounted filesystems])
   fi
 
 fi
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   # DEC Alpha running OSF/1.
   AC_MSG_CHECKING([for getfsstat function])
   AC_CACHE_VAL(fu_cv_sys_mounted_getsstat,
@@ -103,12 +113,14 @@ if test -z "$list_mounted_fs"; then
     fu_cv_sys_mounted_getsstat=no)])
   AC_MSG_RESULT($fu_cv_sys_mounted_getsstat)
   if test $fu_cv_sys_mounted_getsstat = yes; then
-    list_mounted_fs=found
-    AC_DEFINE(MOUNTED_GETFSSTAT)
+    ac_list_mounted_fs=found
+    AC_DEFINE(MOUNTED_GETFSSTAT, 1,
+	      [Define if there is a function named getfsstat for reading the
+   list of mounted filesystems.  (DEC Alpha running OSF/1)])
   fi
 fi
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   # AIX.
   AC_MSG_CHECKING([for mntctl function and struct vmount])
   AC_CACHE_VAL(fu_cv_sys_mounted_vmount,
@@ -117,12 +129,15 @@ if test -z "$list_mounted_fs"; then
     fu_cv_sys_mounted_vmount=no)])
   AC_MSG_RESULT($fu_cv_sys_mounted_vmount)
   if test $fu_cv_sys_mounted_vmount = yes; then
-    list_mounted_fs=found
-    AC_DEFINE(MOUNTED_VMOUNT)
+    ac_list_mounted_fs=found
+    AC_DEFINE(MOUNTED_VMOUNT, 1,
+	[Define if there is a function named mntctl that can be used to read
+   the list of mounted filesystems, and there is a system header file
+   that declares `struct vmount.'  (AIX)])
   fi
 fi
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   # SVR3
   AC_MSG_CHECKING([for FIXME existence of three headers])
   AC_CACHE_VAL(fu_cv_sys_mounted_fread_fstyp,
@@ -134,12 +149,15 @@ if test -z "$list_mounted_fs"; then
 		fu_cv_sys_mounted_fread_fstyp=no)])
   AC_MSG_RESULT($fu_cv_sys_mounted_fread_fstyp)
   if test $fu_cv_sys_mounted_fread_fstyp = yes; then
-    list_mounted_fs=found
-    AC_DEFINE(MOUNTED_FREAD_FSTYP)
+    ac_list_mounted_fs=found
+    AC_DEFINE(MOUNTED_FREAD_FSTYP, 1,
+[Define if (like SVR2) there is no specific function for reading the
+   list of mounted filesystems, and your system has these header files:
+   <sys/fstyp.h> and <sys/statfs.h>.  (SVR3)])
   fi
 fi
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   # 4.4BSD and DEC OSF/1.
   AC_MSG_CHECKING([for getmntinfo function])
   AC_CACHE_VAL(fu_cv_sys_mounted_getmntinfo,
@@ -155,14 +173,16 @@ if test -z "$list_mounted_fs"; then
     ])
   AC_MSG_RESULT($fu_cv_sys_mounted_getmntinfo)
   if test $fu_cv_sys_mounted_getmntinfo = yes; then
-    list_mounted_fs=found
-    AC_DEFINE(MOUNTED_GETMNTINFO)
+    ac_list_mounted_fs=found
+    AC_DEFINE(MOUNTED_GETMNTINFO, 1,
+	      [Define if there is a function named getmntinfo for reading the
+   list of mounted filesystems.  (4.4BSD)])
   fi
 fi
 
 # FIXME: add a test for netbsd-1.1 here
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   # Ultrix
   AC_MSG_CHECKING([for getmnt function])
   AC_CACHE_VAL(fu_cv_sys_mounted_getmnt,
@@ -173,12 +193,14 @@ if test -z "$list_mounted_fs"; then
 		fu_cv_sys_mounted_getmnt=no)])
   AC_MSG_RESULT($fu_cv_sys_mounted_getmnt)
   if test $fu_cv_sys_mounted_getmnt = yes; then
-    list_mounted_fs=found
-    AC_DEFINE(MOUNTED_GETMNT)
+    ac_list_mounted_fs=found
+    AC_DEFINE(MOUNTED_GETMNT, 1,
+      [Define if there is a function named getmnt for reading the list of
+   mounted filesystems.  (Ultrix)])
   fi
 fi
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   # SVR2
   AC_MSG_CHECKING([whether it is possible to resort to fread on /etc/mnttab])
   AC_CACHE_VAL(fu_cv_sys_mounted_fread,
@@ -187,15 +209,19 @@ if test -z "$list_mounted_fs"; then
 		fu_cv_sys_mounted_fread=no)])
   AC_MSG_RESULT($fu_cv_sys_mounted_fread)
   if test $fu_cv_sys_mounted_fread = yes; then
-    list_mounted_fs=found
-    AC_DEFINE(MOUNTED_FREAD)
+    ac_list_mounted_fs=found
+    AC_DEFINE(MOUNTED_FREAD, 1,
+	      [Define if there is no specific function for reading the list of
+   mounted filesystems.  fread will be used to read /etc/mnttab.  (SVR2) ])
   fi
 fi
 
-if test -z "$list_mounted_fs"; then
+if test -z "$ac_list_mounted_fs"; then
   AC_MSG_ERROR([could not determine how to read list of mounted filesystems])
   # FIXME -- no need to abort building the whole package
   # Can't build mountlist.c or anything that needs its functions
 fi
 
+AC_SHELL_IFELSE([test $ac_list_mounted_fs = found], [$1], [$2])dnl
+
   ])