[Buildroot] [PATCH 7/8] arch/arm: some variants need different gcc versions
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Sep 3 09:44:33 UTC 2017
Take the conditions currently specified in the gcc version choice.
Also, the conditions explained in the commit log for 78c2a9f7 were not
all properly applied, especially the a57-a53 combo needs gcc-6, but
78c2a9f7 forgot to add the condition to gcc-4.9.
gcc-4.9 was excluded for cortex-a17 and a72, but the CodeSourcery
external toolchain, which uses 4.8, was not excluded for those two
cores. Now it is.
Remove the arch condition from gcc and the external toolchains.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
arch/Config.in.arm | 6 ++++++
package/gcc/Config.in.host | 5 -----
.../toolchain-external-codesourcery-arm/Config.in | 4 ----
3 files changed, 6 insertions(+), 9 deletions(-)
diff --git a/arch/Config.in.arm b/arch/Config.in.arm
index 09916df7ad..b58be6bce0 100644
--- a/arch/Config.in.arm
+++ b/arch/Config.in.arm
@@ -190,6 +190,7 @@ config BR2_cortex_a15_a7
select BR2_ARM_CPU_HAS_THUMB2
select BR2_ARM_CPU_ARMV7A
select BR2_ARCH_HAS_MMU_OPTIONAL
+ select BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9
depends on !BR2_ARCH_IS_64
config BR2_cortex_a17
bool "cortex-A17"
@@ -199,6 +200,7 @@ config BR2_cortex_a17
select BR2_ARM_CPU_HAS_THUMB2
select BR2_ARM_CPU_ARMV7A
select BR2_ARCH_HAS_MMU_OPTIONAL
+ select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
depends on !BR2_ARCH_IS_64
config BR2_cortex_a17_a7
bool "cortex-A17/A7 big.LITTLE"
@@ -208,6 +210,7 @@ config BR2_cortex_a17_a7
select BR2_ARM_CPU_HAS_THUMB2
select BR2_ARM_CPU_ARMV7A
select BR2_ARCH_HAS_MMU_OPTIONAL
+ select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
depends on !BR2_ARCH_IS_64
config BR2_cortex_a53
bool "cortex-A53"
@@ -233,6 +236,7 @@ config BR2_cortex_a57_a53
select BR2_ARM_CPU_HAS_FP_ARMV8
select BR2_ARM_CPU_ARMV8
select BR2_ARCH_HAS_MMU_OPTIONAL
+ select BR2_ARCH_NEEDS_GCC_AT_LEAST_6
config BR2_cortex_a72
bool "cortex-A72"
select BR2_ARM_CPU_HAS_ARM if !BR2_ARCH_IS_64
@@ -241,6 +245,7 @@ config BR2_cortex_a72
select BR2_ARM_CPU_HAS_FP_ARMV8
select BR2_ARM_CPU_ARMV8
select BR2_ARCH_HAS_MMU_OPTIONAL
+ select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
config BR2_cortex_a72_a53
bool "cortex-A72/A53 big.LITTLE"
select BR2_ARM_CPU_HAS_ARM if !BR2_ARCH_IS_64
@@ -249,6 +254,7 @@ config BR2_cortex_a72_a53
select BR2_ARM_CPU_HAS_FP_ARMV8
select BR2_ARM_CPU_ARMV8
select BR2_ARCH_HAS_MMU_OPTIONAL
+ select BR2_ARCH_NEEDS_GCC_AT_LEAST_6
config BR2_cortex_m3
bool "cortex-M3"
select BR2_ARM_CPU_HAS_THUMB2
diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
index 8c07c29c2d..d8479008d8 100644
--- a/package/gcc/Config.in.host
+++ b/package/gcc/Config.in.host
@@ -25,9 +25,6 @@ config BR2_GCC_VERSION_4_9_X
depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_5
# Broken or unsupported architectures
depends on !BR2_arc && !BR2_or1k
- # Broken or unsupported ARM cores
- depends on !BR2_cortex_a17 && !BR2_cortex_a17_a7
- depends on !BR2_cortex_a72 && !BR2_cortex_a72_a53
# musl microblaze unsupported
depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_microblazeel || BR2_microblazebe))
# musl ppc64 unsupported
@@ -41,8 +38,6 @@ config BR2_GCC_VERSION_5_X
depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_6
# Broken or unsupported architectures
depends on !BR2_arc && !BR2_or1k
- # Broken or unsupported ARM cores
- depends on !BR2_cortex_a57_a53 && !BR2_cortex_a72_a53
# musl ppc64 unsupported
depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
# musl mips64 unsupported
diff --git a/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in b/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in
index b91daa5c81..60d86c33d5 100644
--- a/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in
@@ -2,10 +2,6 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM
bool "Sourcery CodeBench ARM 2014.05"
depends on BR2_arm
depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9
- # a15/a7 appeared in gcc-4.9, a17/a7 in gcc-5, a57/a53 and a72/a53
- # in gcc-6, or they each were broken earlier than that.
- depends on !BR2_cortex_a15_a7 && !BR2_cortex_a17_a7
- depends on !BR2_cortex_a57_53 && !BR2_cortex_a72_53
depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
depends on BR2_ARM_EABI
# Unsupported ARM cores
--
2.11.0
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