1 dnl Handle the 2.4 module inside module/ 2 AC_DEFUN([AX_CONFIG_MODULE], 3 [ 4 if test ! -f $KINC/linux/autoconf.h; then 5 AC_MSG_ERROR([no suitably configured kernel include tree found]) 6 fi 7 8 dnl --- Get Linux kernel version and compile parameters --- 9 10 AC_SUBST(KVERS) 11 AC_MSG_CHECKING([for kernel version]) 12 dnl it's like this to handle mandrake's fubar version.h - bug #471448 13 eval KVERS=`gcc -I$KINC -E -dM $KINC/linux/version.h | grep -w UTS_RELEASE | awk '{print $[]3}'` 14 AC_MSG_RESULT([$KVERS]) 15 case "$KVERS" in 16 2.2.*|2.4.*) ;; 17 *) AC_MSG_ERROR([Unsupported kernel version]) 18 esac 19 20 dnl Check for the minimal kernel version supported 21 AC_MSG_CHECKING([kernel version]) 22 AX_KERNEL_VERSION(2, 2, 10, <=, AC_MSG_RESULT([ok]), AC_MSG_ERROR([check html documentation install section])) 23 24 dnl linux/spinlock.h added at some point in past 25 AC_MSG_CHECKING([for $KINC/linux/spinlock.h]) 26 if test -f $KINC/linux/spinlock.h; then 27 EXTRA_CFLAGS_MODULE="$EXTRA_CFLAGS_MODULE -DHAVE_LINUX_SPINLOCK_HEADER" 28 AC_MSG_RESULT([yes]) 29 else 30 AC_MSG_RESULT([no]) 31 fi 32 33 AC_MSG_CHECKING([for rtc_lock]) 34 gcc -I$KINC -E $KINC/linux/mc146818rtc.h | grep rtc_lock >/dev/null 35 if test "$?" -eq 0; then 36 EXTRA_CFLAGS_MODULE="$EXTRA_CFLAGS_MODULE -DRTC_LOCK" 37 AC_MSG_RESULT([yes]) 38 else 39 AC_MSG_RESULT([no]) 40 fi 41 42 arch="unknown" 43 AC_MSG_CHECKING(for x86 architecture) 44 AX_KERNEL_OPTION(CONFIG_X86, x86=1, x86=0) 45 AX_KERNEL_OPTION(CONFIG_X86_WP_WORKS_OK, x86=1, x86=$x86) 46 AX_MSG_RESULT_YN($x86) 47 test "$x86" = 1 && arch="x86" 48 49 if test "$arch" = "unknown"; then 50 AC_MSG_CHECKING(for ia64 architecture) 51 AX_KERNEL_OPTION(CONFIG_IA64, ia64=1, ia64=0) 52 AX_MSG_RESULT_YN($ia64) 53 test "$ia64" = 1 && arch="ia64" 54 fi 55 56 test "$arch" = "unknown" && AC_MSG_ERROR(Unsupported architecture) 57 58 dnl check to see if kernel verion appropriate for arch 59 AC_MSG_CHECKING(arch/kernel version combination) 60 case "$arch" in 61 ia64) 62 AX_KERNEL_VERSION(2, 4, 18, <, AC_MSG_RESULT([ok]), 63 AC_MSG_ERROR([unsupported arch/kernel])) ;; 64 *) AC_MSG_RESULT([ok]) 65 esac 66 67 dnl for now we do not support PREEMPT patch 68 AC_MSG_CHECKING([for preempt patch]) 69 AX_KERNEL_OPTION(CONFIG_PREEMPT,preempt=1,preempt=0) 70 AX_MSG_RESULT_YN([$preempt]) 71 test "$preempt" = 0 || AC_MSG_ERROR([unsupported kernel configuration : CONFIG_PREEMPT]) 72 73 AC_SUBST(KINC) 74 75 MODINSTALLDIR=/lib/modules/$KVERS 76 77 OPROFILE_MODULE_ARCH=$arch 78 AC_SUBST(OPROFILE_MODULE_ARCH) 79 ] 80 ) 81
