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85391ee931
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #18077
31 lines
828 B
Plaintext
31 lines
828 B
Plaintext
dnl # SPDX-License-Identifier: CDDL-1.0
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dnl #
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dnl # cpu_has_feature() may referencing GPL-only cpu_feature_keys on powerpc
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dnl #
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dnl #
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dnl # Checking if cpu_has_feature is exported GPL-only
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_CPU_HAS_FEATURE], [
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ZFS_LINUX_TEST_SRC([cpu_has_feature], [
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#include <linux/version.h>
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0)
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#include <asm/cpu_has_feature.h>
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#else
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#include <asm/cputable.h>
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#endif
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], [
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return cpu_has_feature(CPU_FTR_ALTIVEC) ? 0 : 1;
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], [], [ZFS_META_LICENSE])
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])
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AC_DEFUN([ZFS_AC_KERNEL_CPU_HAS_FEATURE], [
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AC_MSG_CHECKING([whether cpu_has_feature() is GPL-only])
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ZFS_LINUX_TEST_RESULT([cpu_has_feature_license], [
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AC_MSG_RESULT(no)
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], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_CPU_HAS_FEATURE_GPL_ONLY, 1,
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[cpu_has_feature() is GPL-only])
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])
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])
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