fix kernel build when using gcc > 4.9

This commit is contained in:
Lukas Rusak 2015-10-05 13:58:01 -07:00 committed by Stephan Raue
parent 32745c1f7f
commit 010e6251d4
3 changed files with 48 additions and 0 deletions

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@ -0,0 +1,16 @@
# see https://github.com/wongsyrone/openwrt-1/commit/93c0a5173414cfa7684547de3c3a1f3dc4240383
# and https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932
diff -Naur linux-4.1.10.orig/arch/arm/Makefile linux-4.1.10/arch/arm/Makefile
--- linux-4.1.10.orig/arch/arm/Makefile 2015-10-03 04:49:38.000000000 -0700
+++ linux-4.1.10/arch/arm/Makefile 2015-10-05 13:43:26.066966475 -0700
@@ -118,7 +118,8 @@
endif
# Need -Uarm for gcc < 3.x
-KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
+# Maybe we need -fno-ipa-sra for gcc > 4.9.x
+KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm -fno-ipa-sra
KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
CHECKFLAGS += -D__arm__

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@ -0,0 +1,16 @@
# see https://github.com/wongsyrone/openwrt-1/commit/93c0a5173414cfa7684547de3c3a1f3dc4240383
# and https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932
diff -Naur linux-amlogic-3.10-753dc30.orig/arch/arm/Makefile linux-amlogic-3.10-753dc30/arch/arm/Makefile
--- linux-amlogic-3.10-753dc30.orig/arch/arm/Makefile 2015-09-30 12:37:18.000000000 -0700
+++ linux-amlogic-3.10-753dc30/arch/arm/Makefile 2015-10-05 13:39:01.341686718 -0700
@@ -116,7 +116,8 @@
endif
# Need -Uarm for gcc < 3.x
-KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
+# Maybe we need -fno-ipa-sra for gcc > 4.9.x
+KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm -fno-ipa-sra
KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
CHECKFLAGS += -D__arm__

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@ -0,0 +1,16 @@
# see https://github.com/wongsyrone/openwrt-1/commit/93c0a5173414cfa7684547de3c3a1f3dc4240383
# and https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932
diff -Naur linux-cuboxi-3.14-ea83bda.orig/arch/arm/Makefile linux-cuboxi-3.14-ea83bda/arch/arm/Makefile
--- linux-cuboxi-3.14-ea83bda.orig/arch/arm/Makefile 2015-05-06 10:05:43.000000000 -0700
+++ linux-cuboxi-3.14-ea83bda/arch/arm/Makefile 2015-10-05 13:51:43.641612713 -0700
@@ -120,7 +120,8 @@
endif
# Need -Uarm for gcc < 3.x
-KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
+# Maybe we need -fno-ipa-sra for gcc > 4.9.x
+KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm -fno-ipa-sra
KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
CHECKFLAGS += -D__arm__