[Buildroot] [PATCH 2/5] arch/mips: add option for toolchains supporting -mfpxx
Vicente Olivert Riera
Vincent.Riera at imgtec.com
Fri Jul 21 17:06:32 UTC 2017
-mfpxx option was added in gcc-5.1.0 so make sure that users cannot
select the "xx" fp32 mode when using toolchains that have a gcc older
than 5.1.0.
-mfp32 and -mfp64 were added in gcc-4.1.0, so given the older gcc
version we support in Buildroot (in the GCC_AT_LEAST options) is 4.3 we
don't need to do anything else for them.
Signed-off-by: Vicente Olivert Riera <Vincent.Riera at imgtec.com>
---
arch/Config.in.mips | 3 ++-
toolchain/toolchain-common.in | 4 ++++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/Config.in.mips b/arch/Config.in.mips
index 3d2dfe3f49..de37f0eb82 100644
--- a/arch/Config.in.mips
+++ b/arch/Config.in.mips
@@ -137,7 +137,7 @@ config BR2_MIPS_SOFT_FLOAT
choice
prompt "FP mode"
depends on !BR2_ARCH_IS_64 && !BR2_MIPS_SOFT_FLOAT
- default BR2_MIPS_FP32_MODE_XX
+ default BR2_MIPS_FP32_MODE_XX if BR2_TOOLCHAIN_HAS_MFPXX_OPTION
help
MIPS32 supports different FP modes (32,xx,64). Information about FP
modes can be found here:
@@ -149,6 +149,7 @@ config BR2_MIPS_FP32_MODE_32
depends on !BR2_MIPS_CPU_MIPS32R6
config BR2_MIPS_FP32_MODE_XX
+ depends on BR2_TOOLCHAIN_HAS_MFPXX_OPTION
bool "xx"
config BR2_MIPS_FP32_MODE_64
diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in
index 0002682e12..dd192b9ba4 100644
--- a/toolchain/toolchain-common.in
+++ b/toolchain/toolchain-common.in
@@ -346,6 +346,10 @@ config BR2_TOOLCHAIN_HAS_MNAN_OPTION
bool
default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+config BR2_TOOLCHAIN_HAS_MFPXX_OPTION
+ bool
+ default y if BR2_TOOLCHAIN_GCC_AT_LEAST_5
+
config BR2_TOOLCHAIN_HAS_SYNC_1
bool
default y
--
2.13.0
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