[PATCH 3/6] Change --with-kernel-support default

[Andi K. <an...@fi...>]

From: Andi Kleen <ak...@li...>

Most people should use 2.6 kernels by now. So make --with-kernel-support
default and allow a --without-kernel-support for 2.4 kernels instead.

Signed-off-by: Andi Kleen <ak...@li...>
---
 README           |    4 ++--
 m4/findkernel.m4 |    8 +++-----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/README b/README
index 74b0a12..806affc 100644
--- a/README
+++ b/README
@@ -39,8 +39,8 @@ ACLOCAL=aclocal-1.5 AUTOMAKE=automake-1.5 AUTOCONF=autoconf-2.13 AUTOHEADER=auto
 
 2.4 kernels
 
-	./configure --with-linux=/path/to/kernel/source
+	./configure --without-kernel-support --with-linux=/path/to/kernel/source
 
 2.6 kernels
 
-	./configure --with-kernel-support
+	./configure
diff --git a/m4/findkernel.m4 b/m4/findkernel.m4
index 4f66437..c084147 100644
--- a/m4/findkernel.m4
+++ b/m4/findkernel.m4
@@ -2,11 +2,9 @@ dnl Find the kernel and handle 2.6 settings
 AC_DEFUN([AX_FIND_KERNEL],
 [
 AC_MSG_CHECKING([for kernel OProfile support])
-AC_ARG_WITH(kernel-support, [  --with-kernel-support        Use 2.6 kernel (no kernel source tree required)],
-if test "$withval" = "yes"; then
-	OPROFILE_26=yes
-fi
-) 
+OPROFILE_26=yes
+AC_ARG_WITH(kernel-support, [  --without-kernel-support        Use 2.4 kernel. Kernel source tree needed. ],
+OPROFILE_26=no)
 
 if test "$OPROFILE_26" != "yes"; then
 	dnl  --- Find the Linux kernel, at least the headers ---
-- 
1.7.4