From 7cb33b0941363d3fb4e44297ca69d2e7e47a2b1c Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 20 Feb 2002 09:47:48 +0000
Subject: [PATCH] Added --with-kernel and --with-soundbase options to specify
 ALSA kernel headers.

---
 sb16_csp/configure.in    | 42 ++++++++++++++++++++++++++++++++++++++++
 seq/sbiload/configure.in | 42 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)

diff --git a/sb16_csp/configure.in b/sb16_csp/configure.in
index d3bf7f2..b4cdb7b 100644
--- a/sb16_csp/configure.in
+++ b/sb16_csp/configure.in
@@ -4,6 +4,48 @@ AC_PROG_CC
 AC_PROG_INSTALL
 AC_HEADER_STDC
 AM_PATH_ALSA(0.9.0)
+
+dnl kernel header files
+AC_MSG_CHECKING(for kernel header files)
+AC_ARG_WITH(kernel,
+  [  --with-kernel=ver       specify kernel version (for example 2.5.5-pre1)],
+  [kerneldir="$withval"], [kerneldir=""])
+if test "$kerneldir" != "" -a -r "/lib/modules/$kerneldir/build/include/sound"; then
+  kerneldir="/lib/modules/$kerneldir/build/include"
+  AC_MSG_RESULT($kerneldir)
+else
+  if test -z "$kerneldir"; then
+    AC_MSG_RESULT("not specified")
+  else
+    AC_MSG_RESULT("directory /lib/modules/$kerneldir/build/include/sound not found")
+  fi
+  kerneldir=""
+fi
+
+dnl path for sound/asound.h
+AC_MSG_CHECKING(for directory with ALSA kernel headers)
+AC_ARG_WITH(soundbase,
+  [  --with-soundbase=dir    specify base directory with kernel sound headers (optional)],
+  [soundbasedir="$withval"], [soundbasedir="$kerneldir"])
+if test "$soundbasedir" != "" -a -r "$soundbasedir/sound" ; then
+  ALSA_CFLAGS="$ALSA_CFLAGS -I$soundbasedir"
+  CFLAGS="$CFLAGS -I$soundbasedir"
+  AC_MSG_RESULT($ALSA_CFLAGS)
+else
+  if test "x$prefix" != xNONE; then
+    aprefix=$prefix
+  else
+    aprefix=$ac_default_prefix
+  fi
+  if test -z "$soundbasedir" -a -r "$aprefix/include/sound"; then
+    ALSA_CFLAGS="$ALSA_CFLAGS -I$aprefix/include"
+    CFLAGS="$CFLAGS -I$aprefix/include"
+    AC_MSG_RESULT($ALSA_CFLAGS)
+  else
+    AC_MSG_RESULT("not specified - using C compilator defaults")
+  fi
+fi
+
 CFLAGS="$CFLAGS $ALSA_FLAGS"
 LDFLAGS="$LDFLAGS $ALSA_LIBS"
 
diff --git a/seq/sbiload/configure.in b/seq/sbiload/configure.in
index f0dc206..25b755f 100644
--- a/seq/sbiload/configure.in
+++ b/seq/sbiload/configure.in
@@ -4,6 +4,48 @@ AC_PROG_CC
 AC_PROG_INSTALL
 AC_HEADER_STDC
 AM_PATH_ALSA(0.9.0)
+
+dnl kernel header files
+AC_MSG_CHECKING(for kernel header files)
+AC_ARG_WITH(kernel,
+  [  --with-kernel=ver       specify kernel version (for example 2.5.5-pre1)],
+  [kerneldir="$withval"], [kerneldir=""])
+if test "$kerneldir" != "" -a -r "/lib/modules/$kerneldir/build/include/sound"; then
+  kerneldir="/lib/modules/$kerneldir/build/include"
+  AC_MSG_RESULT($kerneldir)
+else
+  if test -z "$kerneldir"; then
+    AC_MSG_RESULT("not specified")
+  else
+    AC_MSG_RESULT("directory /lib/modules/$kerneldir/build/include/sound not found")
+  fi
+  kerneldir=""
+fi
+
+dnl path for sound/asound.h
+AC_MSG_CHECKING(for directory with ALSA kernel headers)
+AC_ARG_WITH(soundbase,
+  [  --with-soundbase=dir    specify base directory with kernel sound headers (optional)],
+  [soundbasedir="$withval"], [soundbasedir="$kerneldir"])
+if test "$soundbasedir" != "" -a -r "$soundbasedir/sound" ; then
+  ALSA_CFLAGS="$ALSA_CFLAGS -I$soundbasedir"
+  CFLAGS="$CFLAGS -I$soundbasedir"
+  AC_MSG_RESULT($ALSA_CFLAGS)
+else
+  if test "x$prefix" != xNONE; then
+    aprefix=$prefix
+  else
+    aprefix=$ac_default_prefix
+  fi
+  if test -z "$soundbasedir" -a -r "$aprefix/include/sound"; then
+    ALSA_CFLAGS="$ALSA_CFLAGS -I$aprefix/include"
+    CFLAGS="$CFLAGS -I$aprefix/include"
+    AC_MSG_RESULT($ALSA_CFLAGS)
+  else
+    AC_MSG_RESULT("not specified - using C compilator defaults")
+  fi
+fi
+
 CFLAGS="$CFLAGS $ALSA_FLAGS"
 LDFLAGS="$LDFLAGS $ALSA_LIBS"
 
-- 
2.47.1