Restore divisor for memory size reported by Windows. Also, implements warning

[nagiosplug.git] / configure.in

diff --git a/configure.in b/configure.in
index 28d159e7a50132396a0304e16b4791c4cff82611..8e971dde2dc90a023f9d3f5bfc04290697be905c 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@ AC_PREREQ(2.50)
 AC_INIT(nagios-plugins,1.4.0alpha2)
 AC_CONFIG_SRCDIR(Helper.pm)
 AM_INIT_AUTOMAKE
-AC_CONFIG_HEADER(config.h)
+AM_CONFIG_HEADER(config.h)
 AC_CANONICAL_HOST
 
 RELEASE=1
@@ -1303,18 +1303,16 @@ then
                ac_cv_swap_conv=2048
                AC_MSG_RESULT([using IRIX format swap])
 
-       elif [$PATH_TO_SWAP -l 2>/dev/null | egrep -i "^swapfile +dev +swaplo +blocks +free" >/dev/null]
-       then
-               ac_cv_swap_format=["%*s %*[0-9,-] %*d %d %d"]
-               ac_cv_swap_conv=2048
-               AC_MSG_RESULT([using Solaris format swap])
-
        elif [$PATH_TO_SWAP -l 2>/dev/null | egrep -i "^path +dev +swaplo +blocks +free" >/dev/null]
        then
                ac_cv_swap_format=["%*s %*[0-9,-] %*d %d %d"]
                ac_cv_swap_conv=2048
                AC_MSG_RESULT([using Unixware format swap])
-
+       else
+               dnl if we don't know what format swap's output is
+               dnl we might as well pretend we didn't see it
+               ac_cv_have_swap=""
+               ac_cv_swap_command=""
        fi
 fi
 dnl end if for PATH_TO_SWAP
@@ -1362,6 +1360,86 @@ fi
 dnl end if for PATH_TO_SWAPINFO
 fi
 
+dnl
+dnl test for swapctl system call, both the 2-arg and 3-arg variants
+dnl fwict, the 2-arg is an SVR4 standard, whereas the 3-arg is shared
+dnl in the various BSD's
+dnl
+
+AC_CHECK_HEADERS([sys/swap.h sys/stat.h sys/param.h])
+AC_CHECK_DECLS([swapctl],,,[
+               #include <unistd.h>
+               #include <sys/types.h>
+               #include <sys/stat.h>
+               #include <sys/swap.h>
+               ])
+AC_CHECK_TYPES([swaptbl_t, swapent_t],,,[
+               #include <sys/types.h>
+               #include <sys/stat.h>
+               #include <sys/swap.h>
+               ])
+AC_CHECK_MEMBERS([struct swapent.se_nblks],,,[
+               #include <unistd.h>
+               #include <sys/types.h>
+               #include <sys/stat.h>
+               #include <sys/swap.h>
+               ])
+
+if test "$ac_cv_have_decl_swapctl" = "yes"; 
+then
+       EXTRAS="$EXTRAS check_swap"
+       AC_MSG_CHECKING([for 2-arg (SVR4) swapctl])
+       if test "$ac_cv_type_swaptbl_t" = "yes" -a \
+               "$ac_cv_type_swapent_t" = "yes"; 
+       then
+               AC_MSG_RESULT([yes])
+               ac_cv_check_swap_swapctl_svr4="1";
+               AC_DEFINE([CHECK_SWAP_SWAPCTL_SVR4],1,
+                         [Define if 2-argument SVR4 swapctl exists])
+       else
+               AC_MSG_RESULT([no])
+               AC_MSG_CHECKING([for 3-arg (*BSD) swapctl])
+               if test "$ac_cv_member_struct_swapent_se_nblks" = "yes"; 
+               then
+                       AC_MSG_RESULT([yes])
+                       AC_DEFINE([CHECK_SWAP_SWAPCTL_BSD],1,
+                                 [Define if 3-argument BSD swapctl exists])
+               else
+                       AC_MSG_RESULT([no])
+               fi
+       fi
+       AC_MSG_CHECKING([for whether swapctl uses blocks or pages])
+       if test "$ac_cv_check_swap_swapctl_svr4" = "1";
+       then
+               dnl
+               dnl the SVR4 spec returns values in pages
+               dnl
+               AC_MSG_RESULT([page])
+               AC_CHECK_DECLS([sysconf])
+               AC_MSG_CHECKING([for system page size])
+               if test "$ac_cv_have_decl_sysconf" = "yes";
+               then
+                       AC_MSG_RESULT([determined by sysconf(3)])
+                       ac_cv_swap_conv="(1048576/sysconf(_SC_PAGESIZE))"
+               else
+                       AC_MSG_WARN([don't know. guessing 4096k])
+                       ac_cv_swap_conv=256
+               fi
+       else
+               dnl
+               dnl the BSD spec returns values in blocks
+               dnl
+               AC_MSG_RESULT([blocks (assuming 512b)])
+               ac_cv_swap_conv=2048
+       fi
+       AC_DEFINE_UNQUOTED(SWAP_CONVERSION,$ac_cv_swap_conv,
+               [Conversion factor to MB])
+fi
+dnl
+dnl end tests for the swapctl system calls
+dnl
+
+
 if test "x$ac_cv_have_swap" != "x" 
 then
        AC_DEFINE(HAVE_SWAP,1,[Define if swap/swapinfo command is found])