allow changing of device directory path

Add configuration options to change the default device path from the
default /dev/snd.  This is useful for embedded systems that do not want
subdirectories in /dev.

1 files changed, 24 insertions, 0 deletions

diff --git a/configure.in b/configure.in
index bf11e899..c4a2b3f4 100644
--- a/configure.in
+++ b/configure.in
@@ -196,6 +196,30 @@ if test "$aload" = "yes"; then
   AC_DEFINE(SUPPORT_ALOAD, "1", [Support /dev/aload* access for auto-loading])
 fi
 
+dnl Check for non-standard /dev directory
+AC_MSG_CHECKING([for ALSA device file directory])
+AC_ARG_WITH(alsa-devdir,
+  [  --with-alsa-devdir=dir  directory with ALSA device files (default /dev/snd)],
+  [alsa_dev_dir="$withval"],
+  [alsa_dev_dir="/dev/snd"])
+dnl make sure it has a trailing slash
+if echo "$alsa_dev_dir" | grep -v '/$' > /dev/null; then
+  alsa_dev_dir="$alsa_dev_dir/"
+fi
+AC_DEFINE_UNQUOTED(ALSA_DEVICE_DIRECTORY, "$alsa_dev_dir", [Directory with ALSA device files])
+AC_MSG_RESULT([$alsa_dev_dir])
+
+AC_MSG_CHECKING([for aload* device file directory])
+AC_ARG_WITH(aload-devdir,
+  [  --with-aload-devdir=dir directory with aload* device files (default /dev)],
+  [aload_dev_dir="$withval"],
+  [aload_dev_dir="/dev"])
+if echo "$aload_dev_dir" | grep -v '/$' > /dev/null; then
+  aload_dev_dir="$aload_dev_dir/"
+fi
+AC_DEFINE_UNQUOTED(ALOAD_DEVICE_DIRECTORY, "$aload_dev_dir", [Directory with aload* device files])
+AC_MSG_RESULT([$aload_dev_dir])
+
 dnl Build conditions
 AC_ARG_ENABLE(mixer,
   [  --disable-mixer     Disable the mixer component],