projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 48ef8ba0 BB |
1 | dnl # |
| 2 | dnl # zlib inflate compat, | |
| 3 | dnl # Verify the kernel has CONFIG_ZLIB_INFLATE support enabled. | |
| 4 | dnl # | |
| 93ce2b4c | 5 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG_ZLIB_INFLATE], [ |
| 48ef8ba0 | 6 | AC_MSG_CHECKING([whether CONFIG_ZLIB_INFLATE is defined]) |
| 93ce2b4c | 7 | ZFS_LINUX_TRY_COMPILE([ |
| 48ef8ba0 BB |
8 | #if !defined(CONFIG_ZLIB_INFLATE) && \ |
| 9 | !defined(CONFIG_ZLIB_INFLATE_MODULE) | |
| 10 | #error CONFIG_ZLIB_INFLATE not defined | |
| 11 | #endif | |
| 12 | ],[ ],[ | |
| 13 | AC_MSG_RESULT([yes]) | |
| 14 | ],[ | |
| 15 | AC_MSG_RESULT([no]) | |
| 16 | AC_MSG_ERROR([ | |
| 17 | *** This kernel does not include the required zlib inflate support. | |
| 18 | *** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set.]) | |
| 19 | ]) | |
| 20 | ]) | |
| 21 | ||
| 22 | dnl # | |
| 23 | dnl # zlib deflate compat, | |
| 24 | dnl # Verify the kernel has CONFIG_ZLIB_DEFLATE support enabled. | |
| 25 | dnl # | |
| 93ce2b4c | 26 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG_ZLIB_DEFLATE], [ |
| 48ef8ba0 | 27 | AC_MSG_CHECKING([whether CONFIG_ZLIB_DEFLATE is defined]) |
| 93ce2b4c | 28 | ZFS_LINUX_TRY_COMPILE([ |
| 48ef8ba0 BB |
29 | #if !defined(CONFIG_ZLIB_DEFLATE) && \ |
| 30 | !defined(CONFIG_ZLIB_DEFLATE_MODULE) | |
| 31 | #error CONFIG_ZLIB_DEFLATE not defined | |
| 32 | #endif | |
| 33 | ],[ ],[ | |
| 34 | AC_MSG_RESULT([yes]) | |
| 35 | ],[ | |
| 36 | AC_MSG_RESULT([no]) | |
| 37 | AC_MSG_ERROR([ | |
| 38 | *** This kernel does not include the required zlib deflate support. | |
| 39 | *** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set.]) | |
| 40 | ]) | |
| 41 | ]) | |
| 42 | ||
| 43 | dnl # | |
| 44 | dnl # 2.6.39 API compat, | |
| 45 | dnl # The function zlib_deflate_workspacesize() now take 2 arguments. | |
| 46 | dnl # This was done to avoid always having to allocate the maximum size | |
| 47 | dnl # workspace (268K). The caller can now specific the windowBits and | |
| 48 | dnl # memLevel compression parameters to get a smaller workspace. | |
| 49 | dnl # | |
| 93ce2b4c | 50 | AC_DEFUN([ZFS_AC_KERNEL_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE], |
| 48ef8ba0 | 51 | [AC_MSG_CHECKING([whether zlib_deflate_workspacesize() wants 2 args]) |
| 93ce2b4c | 52 | ZFS_LINUX_TRY_COMPILE([ |
| 48ef8ba0 BB |
53 | #include <linux/zlib.h> |
| 54 | ],[ | |
| 55 | return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL); | |
| 56 | ],[ | |
| 57 | AC_MSG_RESULT(yes) | |
| 58 | AC_DEFINE(HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE, 1, | |
| 59 | [zlib_deflate_workspacesize() wants 2 args]) | |
| 60 | ],[ | |
| 61 | AC_MSG_RESULT(no) | |
| 62 | ]) | |
| 63 | ]) |