diff options
| author | Brian Behlendorf <[email protected]> | 2018-02-07 11:50:24 -0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-02-07 11:50:24 -0800 |
| commit | 48ef8ba07094afcd67355940ca8db92d76f7c096 (patch) | |
| tree | c0f847b7ce7c93950d313ca7708bce4bc1f3621e /config/kernel-zlib.m4 | |
| parent | 5461eefe50427a8f8caf0b92f0195c754bed8ec6 (diff) | |
Split spl-build.m4
Split the kernel interface configure checks in to seperate m4
macro files. This is intended to facilitate moving the spl
source code in to the zfs repository.
Reviewed-by: Tony Hutter <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #682
Diffstat (limited to 'config/kernel-zlib.m4')
| -rw-r--r-- | config/kernel-zlib.m4 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/config/kernel-zlib.m4 b/config/kernel-zlib.m4 new file mode 100644 index 000000000..bb236466a --- /dev/null +++ b/config/kernel-zlib.m4 @@ -0,0 +1,63 @@ +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 +dnl # workspace (268K). The caller can now specific the windowBits and +dnl # memLevel compression parameters to get a smaller workspace. +dnl # +AC_DEFUN([SPL_AC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE], + [AC_MSG_CHECKING([whether zlib_deflate_workspacesize() wants 2 args]) + SPL_LINUX_TRY_COMPILE([ + #include <linux/zlib.h> + ],[ + return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE, 1, + [zlib_deflate_workspacesize() wants 2 args]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |