[PATCH] alsactl: Add a --with-udev-rules-dir configure option.

[Colin Guthrie]

After the previous patch to install udev rules it is impossible to do a
non-root, custom-prefix make install. This is generally not a problem
when building official packages but it can be a pain for developers
and debuggers etc.

This is essentially the same patch as was already made in PulseAudio
in commit e8a5746f2fcae59bfd18d39b621509b3ef130453.
---
 alsactl/Makefile.am |    2 --
 configure.in        |    6 ++++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/alsactl/Makefile.am b/alsactl/Makefile.am
index 721b619..5cfc415 100644
--- a/alsactl/Makefile.am
+++ b/alsactl/Makefile.am
@@ -11,8 +11,6 @@ alsactl_SOURCES=alsactl.c state.c utils.c init_parse.c
 alsactl_CFLAGS=$(AM_CFLAGS) -DSYS_ASOUNDRC=\"$(ASOUND_STATE_DIR)/asound.state\"
 noinst_HEADERS=alsactl.h list.h init_sysdeps.c init_utils_string.c init_utils_run.c init_sysfs.c
 
-udevrulesdir=/lib/udev/rules.d
-
 dist_udevrules_DATA = \
 	90-alsa-restore.rules
 
diff --git a/configure.in b/configure.in
index 94a2b17..5b3491d 100644
--- a/configure.in
+++ b/configure.in
@@ -112,6 +112,12 @@ if test x"$alsaconf" = xtrue; then
 fi
 AM_CONDITIONAL(USE_XMLTO, test x"$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=$withval], [udevrulesdir="/lib/udev/rules.d"])
+AC_SUBST(udevrulesdir)
+
 dnl Checks for header files.
 AC_HEADER_STDC
 if test x$alsamixer = xtrue; then
-- 
1.7.3.2


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