kbuild: explicit turn off gcc stack-protector

Ubuntu has enabled -fstack-protector per default in gcc breaking kernel build. Explicit turn it off for now. Later we may decide to make it configurable if the kernel starts to support it. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

kbuild: explicit turn off gcc stack-protector
Ubuntu has enabled -fstack-protector per default in gcc breaking kernel build. Explicit turn it off for now. Later we may decide to make it configurable if the kernel starts to support it. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Sam Ravnborg
1 parent 701842e3bd
Showing 1 changed file with 3 additions and 0 deletions Side-by-side Diff
Makefile
@@ -309,6 +309,9 @@
  
 CFLAGS          := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
                    -fno-strict-aliasing -fno-common
+# Force gcc to behave correct even for buggy distributions
+CFLAGS          += $(call cc-option, -fno-stack-protector-all \
+                                     -fno-stack-protector)
 AFLAGS          := -D__ASSEMBLY__
  
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
...	...	@@ -309,6 +309,9 @@
309	309
310	310	CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
311	311	-fno-strict-aliasing -fno-common
	312	+# Force gcc to behave correct even for buggy distributions
	313	+CFLAGS += $(call cc-option, -fno-stack-protector-all \
	314	+ -fno-stack-protector)
312	315	AFLAGS := -D__ASSEMBLY__
313	316
314	317	# Read KERNELRELEASE from include/config/kernel.release (if it exists)