diff options
| -rw-r--r-- | config/spl-build.m4 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/config/spl-build.m4 b/config/spl-build.m4 index e9eb77861..3ed0e8fd0 100644 --- a/config/spl-build.m4 +++ b/config/spl-build.m4 @@ -24,6 +24,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [ SPL_AC_ATOMIC_SPINLOCK SPL_AC_SHRINKER_CALLBACK SPL_AC_CTL_NAME + SPL_AC_CONFIG_TRIM_UNUSED_KSYMS SPL_AC_PDE_DATA SPL_AC_SET_FS_PWD_WITH_CONST SPL_AC_2ARGS_VFS_UNLINK @@ -1249,6 +1250,26 @@ AC_DEFUN([SPL_AC_CONFIG_ZLIB_DEFLATE], [ ]) dnl # +dnl # config trim unused symbols, +dnl # Verify the kernel has CONFIG_TRIM_UNUSED_KSYMS DISABLED. +dnl # +AC_DEFUN([SPL_AC_CONFIG_TRIM_UNUSED_KSYMS], [ + AC_MSG_CHECKING([whether CONFIG_TRIM_UNUSED_KSYM is disabled]) + SPL_LINUX_TRY_COMPILE([ + #if defined(CONFIG_TRIM_UNUSED_KSYMS) + #error CONFIG_TRIM_UNUSED_KSYMS not defined + #endif + ],[ ],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([ + *** This kernel has unused symbols trimming enabled, please disable. + *** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n 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 |