22 lines
549 B
Text
22 lines
549 B
Text
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dnl #
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dnl # 2.6.39 API change
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dnl #
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dnl # 33ee3b2e2eb9 kstrto*: converting strings to integers done (hopefully) right
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dnl #
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dnl # If kstrtoul() doesn't exist, fallback to use strict_strtoul() which has
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dnl # existed since 2.6.25.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_KSTRTOUL], [
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AC_MSG_CHECKING([whether kstrtoul() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/kernel.h>
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],[
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int ret __attribute__ ((unused)) = kstrtoul(NULL, 10, NULL);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_KSTRTOUL, 1, [kstrtoul() exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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