From: Roy Marples <roy@marples.name>
Date: Thu, 12 Sep 2013 21:43:17 +0000 (+0000)
Subject: It seems that some older udev versions support filtering but not
X-Git-Tag: v6.1.0~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=077eb0643c8ebd33de846745a54a3969e5077af2;p=thirdparty%2Fdhcpcd.git

It seems that some older udev versions support filtering but not
per device initialization checks.
Add a test for this.
---

diff --git a/configure b/configure
index dbd4c6f7..c54028ad 100755
--- a/configure
+++ b/configure
@@ -634,6 +634,24 @@ EOF
 		echo "no"
 	fi
 	rm -f _udev.c _udev
+
+	printf "Checking udev_device_get_is_initialized ... "
+	cat <<EOF >_udev.c
+#include <libudev.h>
+#include <stdlib.h>
+int main(void) {
+	udev_device_get_is_initialized(NULL);
+	return 0;
+}
+EOF
+	if $XCC $LIBUDEV_CFLAGS _udev.c -o _udev $LIBUDEV_LIBS 2>/dev/null
+	then
+		echo "yes"
+	else
+		echo "LIBUDEV_CPPFLAGS+=	-DLIBUDEV_NOINIT" >>$CONFIG_MK
+		echo "no"
+	fi
+	rm -f _udev.c _udev
 elif [ "$DEV" != no -a "$UDEV" != no ]; then
 	echo "no"
 fi
diff --git a/dev/udev.c b/dev/udev.c
index 52562c06..4f9450e8 100644
--- a/dev/udev.c
+++ b/dev/udev.c
@@ -62,7 +62,7 @@ udev_initialized(const char *ifname)
 
 	device = udev_device_new_from_subsystem_sysname(udev, "net", ifname);
 	if (device) {
-#ifndef LIBUDEV_NOFILTER
+#ifndef LIBUDEV_NOINIT
 		r = udev_device_get_is_initialized(device);
 #else
 		r = 1;