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Diffstat (limited to 'config/kernel-trim-unused-symbols.m4')
| -rw-r--r-- | config/kernel-trim-unused-symbols.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/config/kernel-trim-unused-symbols.m4 b/config/kernel-trim-unused-symbols.m4 new file mode 100644 index 000000000..d1ac2f3c8 --- /dev/null +++ b/config/kernel-trim-unused-symbols.m4 @@ -0,0 +1,19 @@ +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.]) + ]) +]) |