kbuild: Disable LD_DEAD_CODE_DATA_ELIMINATION with ftrace & GCC <= 4.7

[linux-2.6-microblaze.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index 3e6be16..513fa54 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -23,6 +23,9 @@ config CLANG_VERSION
        int
        default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
 
+config CC_HAS_ASM_GOTO
+       def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC))
+
 config CONSTRUCTORS
        bool
        depends on !UML
@@ -1121,6 +1124,7 @@ config LD_DEAD_CODE_DATA_ELIMINATION
        bool "Dead code and data elimination (EXPERIMENTAL)"
        depends on HAVE_LD_DEAD_CODE_DATA_ELIMINATION
        depends on EXPERT
+       depends on !(FUNCTION_TRACER && CC_IS_GCC && GCC_VERSION < 40800)
        depends on $(cc-option,-ffunction-sections -fdata-sections)
        depends on $(ld-option,--gc-sections)
        help