diff options
| author | Brian Behlendorf <[email protected]> | 2013-01-09 15:26:46 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-01-09 16:40:25 -0800 |
| commit | 42b3ce622f53001d819e6c8eabe4576e6dd38913 (patch) | |
| tree | 0def87eb440cff29e56b830ccebce22d93e30b89 | |
| parent | 050cd84e628e5d827a0b345cda12b97253fccd37 (diff) | |
Check for ZLIB_INFLATE and ZLIB_DEFLATE
Check at ./configure time that the kernel was built with zlib
support enabled. This support may either be configured as a
module or builtin to the kernel. But if it's missing the build
will fail so it's best to catch this early.
Signed-off-by: Brian Behlendorf <[email protected]>
Closes zfsonlinux/zfs#582
| -rw-r--r-- | config/spl-build.m4 | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/config/spl-build.m4 b/config/spl-build.m4 index 6e4afedba..caca05889 100644 --- a/config/spl-build.m4 +++ b/config/spl-build.m4 @@ -84,6 +84,8 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [ SPL_AC_KERN_PATH_PARENT_HEADER SPL_AC_KERN_PATH_PARENT_SYMBOL SPL_AC_KERN_PATH_LOCKED + SPL_AC_CONFIG_ZLIB_INFLATE + SPL_AC_CONFIG_ZLIB_DEFLATE SPL_AC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE SPL_AC_SHRINK_CONTROL_STRUCT SPL_AC_RWSEM_SPINLOCK_IS_RAW @@ -2202,6 +2204,48 @@ AC_DEFUN([SPL_AC_KERN_PATH_LOCKED], [ ]) dnl # +dnl # zlib inflate compat, +dnl # Verify the kernel has CONFIG_ZLIB_INFLATE support enabled. +dnl # +AC_DEFUN([SPL_AC_CONFIG_ZLIB_INFLATE], [ + AC_MSG_CHECKING([whether CONFIG_ZLIB_INFLATE is defined]) + SPL_LINUX_TRY_COMPILE([ + #if !defined(CONFIG_ZLIB_INFLATE) && \ + !defined(CONFIG_ZLIB_INFLATE_MODULE) + #error CONFIG_ZLIB_INFLATE not defined + #endif + ],[ ],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([ + *** This kernel does not include the required zlib inflate support. + *** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set.]) + ]) +]) + +dnl # +dnl # zlib deflate compat, +dnl # Verify the kernel has CONFIG_ZLIB_DEFLATE support enabled. +dnl # +AC_DEFUN([SPL_AC_CONFIG_ZLIB_DEFLATE], [ + AC_MSG_CHECKING([whether CONFIG_ZLIB_DEFLATE is defined]) + SPL_LINUX_TRY_COMPILE([ + #if !defined(CONFIG_ZLIB_DEFLATE) && \ + !defined(CONFIG_ZLIB_DEFLATE_MODULE) + #error CONFIG_ZLIB_DEFLATE not defined + #endif + ],[ ],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([ + *** This kernel does not include the required zlib deflate support. + *** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set.]) + ]) +]) + +dnl # dnl # 2.6.39 API compat, dnl # The function zlib_deflate_workspacesize() now take 2 arguments. dnl # This was done to avoid always having to allocate the maximum size |