From: Ivailo Monev <xakepa10@gmail.com>
Date: Sat, 16 Nov 2013 14:00:19 +0000 (+0000)
Subject: configure: detect udevdir via pkg-config, fallback to /lib/udev/rules.d
X-Git-Tag: v1.0.28~23
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=7d0c2801b3395d8dd4d46e9a1eb2491dde8a053c;p=alsa-utils.git

configure: detect udevdir via pkg-config, fallback to /lib/udev/rules.d

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/configure.in b/configure.in
index 3ae3209..60da1fa 100644
--- a/configure.in
+++ b/configure.in
@@ -120,8 +120,14 @@ AM_CONDITIONAL(USE_XMLTO, test x"$xmlto" = xyes)
 
 AC_ARG_WITH(
         [udev-rules-dir],
-        AS_HELP_STRING([--with-udev-rules-dir],[Directory where to install udev rules to (defaults to /lib/udev/rules.d)]),
-        [udevrulesdir=$withval], [udevrulesdir="/lib/udev/rules.d"])
+        AS_HELP_STRING([--with-udev-rules-dir=DIR],[Directory where to install udev rules to (default=auto)]),
+        [udevrulesdir="$withval"],
+        [udevdir=$($PKG_CONFIG udev --variable=udevdir)
+        if test "x$udevdir" = "x"; then
+            udevrulesdir="/lib/udev/rules.d"
+        else
+            udevrulesdir="$udevdir/rules.d"
+        fi])
 AC_SUBST(udevrulesdir)
 
 dnl Checks for header files.