The 2.6.30 kernel introduces several definitions (BTN_TOOL_QUADTAP, ABS_MT_POSITION_X, ABS_MT_POSITION_Y) which prevent the "2.6.30" driver from compiling on earlier kernels. Clean up the version checking code and error out when attempting to build against an earlier kernel.
Fixes https://sourceforge.net/p/linuxwacom/bugs/298/ Fixes https://github.com/linuxwacom/input-wacom/issues/10 Signed-off-by: Jason Gerecke <jason.gere...@wacom.com> --- configure.ac | 38 +++++++++++++------------------------- 1 file changed, 13 insertions(+), 25 deletions(-) diff --git a/configure.ac b/configure.ac index 2e3af9d..7e93906 100644 --- a/configure.ac +++ b/configure.ac @@ -108,32 +108,20 @@ WCM_ENV_KERNEL="yes" dnl Check which version of the driver we should compile -MINOR=`echo $MODUTS | sed 's/[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\).*/\1/'` -if echo $MODUTS | grep "^2.4" >/dev/null; then - AC_MSG_ERROR([kernel 2.4.x is not supported]) -elif echo $MODUTS | grep "^2.6" >/dev/null; then - if test $MINOR -ge 26; then - case $MINOR in - 26|27|28|29|30|31|32|33|34|35) WCM_KERNEL_VER="2.6.30";; - 36|37) WCM_KERNEL_VER="2.6.36";; - *) WCM_KERNEL_VER="2.6.38";; - esac - else - AC_MSG_ERROR([use the kernel driver included in the 'linuxwacom' package for kernels older than 2.6.26]) - fi -elif echo $MODUTS | grep "^3." >/dev/null; then - MINOR=`echo $MODUTS | sed 's/[[0-9]]*\.\([[0-9]]*\).*/\1/'` - if test $MINOR -ge 17; then - WCM_KERNEL_VER="3.17" - elif test $MINOR -ge 7; then - WCM_KERNEL_VER="3.7" - else - WCM_KERNEL_VER="2.6.38" - fi -elif echo $MODUTS | grep "^4." >/dev/null; then - WCM_KERNEL_VER="3.17" +AC_DEFUN([WCM_EXPLODE], [$(echo "$1" | awk '{split($[0],x,"[[^0-9]]"); printf("%03d%03d%03d\n",x[[1]],x[[2]],x[[3]]);}')]) +EXPLODED_VER="WCM_EXPLODE($MODUTS)" +if test "$EXPLODED_VER" -lt "WCM_EXPLODE(2.6.30)"; then + AC_MSG_ERROR([use the kernel driver included in the 'linuxwacom' package for kernels older than 2.6.30]) +elif test "$EXPLODED_VER" -lt "WCM_EXPLODE(2.6.36)"; then + WCM_KERNEL_VER="2.6.30" +elif test "$EXPLODED_VER" -lt "WCM_EXPLODE(2.6.38)"; then + WCM_KERNEL_VER="2.6.36" +elif test "$EXPLODED_VER" -lt "WCM_EXPLODE(3.7)"; then + WCM_KERNEL_VER="2.6.38" +elif test "$EXPLODED_VER" -lt "WCM_EXPLODE(3.17)"; then + WCM_KERNEL_VER="3.7" else - AC_MSG_ERROR(kernel version $MODUTS not supported) + WCM_KERNEL_VER="3.17" fi dnl Separate test output from file-generation output -- 2.6.2 ------------------------------------------------------------------------------ Go from Idea to Many App Stores Faster with Intel(R) XDK Give your users amazing mobile app experiences with Intel(R) XDK. Use one codebase in this all-in-one HTML5 development environment. Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs. http://pubads.g.doubleclick.net/gampad/clk?id=254741911&iu=/4140 _______________________________________________ Linuxwacom-devel mailing list Linuxwacom-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxwacom-devel