| Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame] | 1 | dnl Find the kernel and handle 2.6 settings |
| 2 | AC_DEFUN([AX_FIND_KERNEL], |
| 3 | [ |
| 4 | AC_MSG_CHECKING([for kernel OProfile support]) |
| 5 | AC_ARG_WITH(kernel-support, [ --with-kernel-support Use 2.6 kernel (no kernel source tree required)], |
| 6 | if test "$withval" = "yes"; then |
| 7 | OPROFILE_26=yes |
| 8 | fi |
| 9 | ) |
| 10 | |
| 11 | if test "$OPROFILE_26" != "yes"; then |
| 12 | dnl --- Find the Linux kernel, at least the headers --- |
| 13 | |
| 14 | AC_SUBST(KSRC) |
| 15 | KSRC=/lib/modules/`uname -r`/build |
| 16 | AC_ARG_WITH(linux, [ --with-linux=dir Path to Linux source tree], KSRC=$withval) |
| 17 | KINC=$KSRC/include |
| 18 | AC_SUBST(KINC) |
| 19 | |
| 20 | AX_KERNEL_OPTION(CONFIG_OPROFILE, OPROFILE_26=yes, OPROFILE_26=no) |
| 21 | AX_KERNEL_OPTION(CONFIG_OPROFILE_MODULE, OPROFILE_26=yes, OPROFILE_26=$OPROFILE_26) |
| 22 | fi |
| 23 | AC_MSG_RESULT($OPROFILE_26) |
| 24 | |
| 25 | AM_CONDITIONAL(kernel_support, test "$OPROFILE_26" = yes) |
| 26 | ] |
| 27 | ) |