projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 589f59b5 W |
1 | dnl # |
| 2 | dnl # cpu_has_feature() may referencing GPL-only cpu_feature_keys on powerpc | |
| 3 | dnl # | |
| 4 | ||
| 5 | dnl # | |
| 6 | dnl # Checking if cpu_has_feature is exported GPL-only | |
| 7 | dnl # | |
| 8 | AC_DEFUN([ZFS_AC_KERNEL_SRC_CPU_HAS_FEATURE], [ | |
| 9 | ZFS_LINUX_TEST_SRC([cpu_has_feature], [ | |
| 10 | #include <linux/version.h> | |
| 11 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) | |
| 12 | #include <asm/cpu_has_feature.h> | |
| 13 | #else | |
| 14 | #include <asm/cputable.h> | |
| 15 | #endif | |
| 16 | ], [ | |
| 17 | return cpu_has_feature(CPU_FTR_ALTIVEC) ? 0 : 1; | |
| 18 | ], [], [ZFS_META_LICENSE]) | |
| 19 | ]) | |
| 20 | AC_DEFUN([ZFS_AC_KERNEL_CPU_HAS_FEATURE], [ | |
| 21 | AC_MSG_CHECKING([whether cpu_has_feature() is GPL-only]) | |
| 22 | ZFS_LINUX_TEST_RESULT([cpu_has_feature_license], [ | |
| 23 | AC_MSG_RESULT(no) | |
| 24 | ], [ | |
| 25 | AC_MSG_RESULT(yes) | |
| 26 | AC_DEFINE(HAVE_CPU_HAS_FEATURE_GPL_ONLY, 1, | |
| 27 | [cpu_has_feature() is GPL-only]) | |
| 28 | ]) | |
| 29 | ]) |