1*2a58b312SMartin Matuskadnl # 2*2a58b312SMartin Matuskadnl # cpu_has_feature() may referencing GPL-only cpu_feature_keys on powerpc 3*2a58b312SMartin Matuskadnl # 4*2a58b312SMartin Matuska 5*2a58b312SMartin Matuskadnl # 6*2a58b312SMartin Matuskadnl # Checking if cpu_has_feature is exported GPL-only 7*2a58b312SMartin Matuskadnl # 8*2a58b312SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_SRC_CPU_HAS_FEATURE], [ 9*2a58b312SMartin Matuska ZFS_LINUX_TEST_SRC([cpu_has_feature], [ 10*2a58b312SMartin Matuska #include <linux/version.h> 11*2a58b312SMartin Matuska #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) 12*2a58b312SMartin Matuska #include <asm/cpu_has_feature.h> 13*2a58b312SMartin Matuska #else 14*2a58b312SMartin Matuska #include <asm/cputable.h> 15*2a58b312SMartin Matuska #endif 16*2a58b312SMartin Matuska ], [ 17*2a58b312SMartin Matuska return cpu_has_feature(CPU_FTR_ALTIVEC) ? 0 : 1; 18*2a58b312SMartin Matuska ], [], [ZFS_META_LICENSE]) 19*2a58b312SMartin Matuska]) 20*2a58b312SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_CPU_HAS_FEATURE], [ 21*2a58b312SMartin Matuska AC_MSG_CHECKING([whether cpu_has_feature() is GPL-only]) 22*2a58b312SMartin Matuska ZFS_LINUX_TEST_RESULT([cpu_has_feature_license], [ 23*2a58b312SMartin Matuska AC_MSG_RESULT(no) 24*2a58b312SMartin Matuska ], [ 25*2a58b312SMartin Matuska AC_MSG_RESULT(yes) 26*2a58b312SMartin Matuska AC_DEFINE(HAVE_CPU_HAS_FEATURE_GPL_ONLY, 1, 27*2a58b312SMartin Matuska [cpu_has_feature() is GPL-only]) 28*2a58b312SMartin Matuska ]) 29*2a58b312SMartin Matuska]) 30