zfs/config/kernel-cpu_has_feature.m4

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dnl #
dnl # cpu_has_feature() may referencing GPL-only cpu_feature_keys on powerpc
dnl #
dnl #
dnl # Checking if cpu_has_feature is exported GPL-only
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_CPU_HAS_FEATURE], [
ZFS_LINUX_TEST_SRC([cpu_has_feature], [
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0)
#include <asm/cpu_has_feature.h>
#else
#include <asm/cputable.h>
#endif
], [
return cpu_has_feature(CPU_FTR_ALTIVEC) ? 0 : 1;
], [], [ZFS_META_LICENSE])
])
AC_DEFUN([ZFS_AC_KERNEL_CPU_HAS_FEATURE], [
AC_MSG_CHECKING([whether cpu_has_feature() is GPL-only])
ZFS_LINUX_TEST_RESULT([cpu_has_feature_license], [
AC_MSG_RESULT(no)
], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CPU_HAS_FEATURE_GPL_ONLY, 1,
[cpu_has_feature() is GPL-only])
])
])