apcups plugin: Include "collectd.h" *before" <stdlib.h>.
[collectd.git] / configure.in
index 41ee955..bc4d321 100644 (file)
@@ -50,6 +50,18 @@ case $host_os in
 esac
 AC_MSG_RESULT([$ac_system])
 
+if test "x$ac_system" = "xLinux"
+then
+       AC_ARG_VAR([KERNEL_DIR], [path to Linux kernel sources])
+       if test -z "$KERNEL_DIR"
+       then
+               KERNEL_DIR="/lib/modules/`uname -r`/source"
+       fi
+
+       KERNEL_CFLAGS="-I$KERNEL_DIR/include"
+       AC_SUBST(KERNEL_CFLAGS)
+fi
+
 #
 # Checks for header files.
 #
@@ -278,8 +290,13 @@ have_net_ip_vs_h="no"
 have_ip_vs_h="no"
 if test "x$ac_system" = "xLinux"
 then
+       SAVE_CFLAGS=$CFLAGS
+       CFLAGS="$CFLAGS $KERNEL_CFLAGS"
+
        AC_CHECK_HEADERS(net/ip_vs.h, [have_net_ip_vs_h="yes"])
        AC_CHECK_HEADERS(ip_vs.h, [have_ip_vs_h="yes"])
+
+       CFLAGS=$SAVE_CFLAGS
 fi
 
 # For quota module
@@ -1215,12 +1232,15 @@ then
   AC_SUBST(BUILD_WITH_LIBSTATGRAB_LDFLAGS)
 fi
 
-AC_CHECK_LIB(kvm, kvm_getswapinfo, [with_libkvm="yes"], [with_libkvm="no"])
-if test "x$with_libkvm" = "xyes"
+with_libkvm="no"
+AC_CHECK_LIB(kvm, kvm_getswapinfo, [with_kvm_getswapinfo="yes"], [with_kvm_getswapinfo="no"])
+if test "x$with_kvm_getswapinfo" = "xyes"
 then
-       AC_DEFINE(HAVE_LIBKVM, 1, [Define to 1 if you have the 'kvm' library (-lkvm)])
+       AC_DEFINE(HAVE_LIBKVM_GETSWAPINFO, 1,
+                 [Define to 1 if you have the 'kvm' library with the 'kvm_getswapinfo' symbol (-lkvm)])
+       with_libkvm="yes"
 fi
-AM_CONDITIONAL(BUILD_WITH_LIBKVM, test "x$with_libkvm" = "xyes")
+AM_CONDITIONAL(BUILD_WITH_LIBKVM_GETSWAPINFO, test "x$with_kvm_getswapinfo" = "xyes")
 
 with_sensors_cflags=""
 with_sensors_ldflags=""
@@ -1599,15 +1619,6 @@ then
        LDFLAGS=$SAVE_LDFLAGS
 fi
 
-if test "x$ac_system" = "xLinux"
-then
-       AC_ARG_VAR([KERNEL_DIR], [path to Linux kernel sources])
-       if test -z "$KERNEL_DIR"
-       then
-               KERNEL_DIR="/lib/modules/`uname -r`/source"
-       fi
-fi
-
 with_own_libiptc="no"
 AC_ARG_WITH(libiptc, [AS_HELP_STRING([--with-libiptc@<:@=PREFIX@:>@], [Path to libiptc.])],
 [
@@ -1653,7 +1664,7 @@ fi
 if test "x$with_libiptc" = "xyes"
 then
        SAVE_CFLAGS=$CFLAGS
-       CFLAGS="$CFLAGS -I$KERNEL_DIR/include"
+       CFLAGS="$CFLAGS $KERNEL_CFLAGS"
 
        AC_CHECK_HEADERS(linux/netfilter_ipv4/ip_tables.h linux/netfilter_ipv6/ip6_tables.h, [],
        [
@@ -2267,7 +2278,13 @@ AC_DEFUN(
     ])
     if test "x$enable_plugin" = "xyes"
     then
-           AC_DEFINE([HAVE_PLUGIN_]my_toupper([$1]), 1, [Define to 1 if the $1 plugin is enabled.])
+           if test "x$2" = "xyes"
+           then
+                   AC_DEFINE([HAVE_PLUGIN_]my_toupper([$1]), 1, [Define to 1 if the $1 plugin is enabled.])
+           else # User passed "yes" but dependency checking yielded "no" => Dependency problem.
+                   dependency_error="yes"
+                   enable_plugin="no (dependency error)"
+           fi
     fi
     AM_CONDITIONAL([BUILD_PLUGIN_]my_toupper([$1]), test "x$enable_plugin" = "xyes")
     enable_$1="$enable_plugin"
@@ -2281,6 +2298,7 @@ AC_COLLECTD([debug],     [enable],  [feature], [debugging])
 AC_COLLECTD([daemon],    [disable], [feature], [daemon mode])
 AC_COLLECTD([getifaddrs],[enable],  [feature], [getifaddrs under Linux])
 
+dependency_error="no"
 plugin_ascent="no"
 plugin_battery="no"
 plugin_cpu="no"
@@ -2431,7 +2449,7 @@ then
        plugin_processes="yes"
 fi
 
-if test "x$with_libkvm" = "xyes"
+if test "x$with_kvm_getswapinfo" = "xyes"
 then
        plugin_swap="yes"
 fi
@@ -2666,3 +2684,7 @@ Configuration:
     xmms  . . . . . . . $enable_xmms
 
 EOF
+
+if test "x$dependency_error" = "xyes"; then
+       AC_MSG_ERROR("Some plugins are missing dependencies - see above summary for details")
+fi