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-rw-r--r--arch/Config.in.mips1
-rw-r--r--toolchain/toolchain-common.in4
-rw-r--r--toolchain/toolchain-external/pkg-toolchain-external.mk2
3 files changed, 7 insertions, 0 deletions
diff --git a/arch/Config.in.mips b/arch/Config.in.mips
index de71110e08..3d2dfe3f49 100644
--- a/arch/Config.in.mips
+++ b/arch/Config.in.mips
@@ -169,6 +169,7 @@ config BR2_MIPS_NAN_2008
choice
prompt "Target NaN"
+ depends on BR2_TOOLCHAIN_HAS_MNAN_OPTION
depends on BR2_mips_32r5 || BR2_mips_64r5
default BR2_MIPS_ENABLE_NAN_2008
help
diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in
index 932eecac9a..0002682e12 100644
--- a/toolchain/toolchain-common.in
+++ b/toolchain/toolchain-common.in
@@ -342,6 +342,10 @@ config BR2_TOOLCHAIN_GCC_AT_LEAST
default "4.4" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_4
default "4.3" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_3
+config BR2_TOOLCHAIN_HAS_MNAN_OPTION
+ bool
+ default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+
config BR2_TOOLCHAIN_HAS_SYNC_1
bool
default y
diff --git a/toolchain/toolchain-external/pkg-toolchain-external.mk b/toolchain/toolchain-external/pkg-toolchain-external.mk
index 3263199642..23cdf30b9f 100644
--- a/toolchain/toolchain-external/pkg-toolchain-external.mk
+++ b/toolchain/toolchain-external/pkg-toolchain-external.mk
@@ -178,10 +178,12 @@ ifneq ($(CC_TARGET_ABI_),)
TOOLCHAIN_EXTERNAL_CFLAGS += -mabi=$(CC_TARGET_ABI_)
TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_ABI='"$(CC_TARGET_ABI_)"'
endif
+ifeq ($(BR2_TOOLCHAIN_HAS_MNAN_OPTION),y)
ifneq ($(CC_TARGET_NAN_),)
TOOLCHAIN_EXTERNAL_CFLAGS += -mnan=$(CC_TARGET_NAN_)
TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_NAN='"$(CC_TARGET_NAN_)"'
endif
+endif
ifneq ($(CC_TARGET_FP32_MODE_),)
TOOLCHAIN_EXTERNAL_CFLAGS += -mfp$(CC_TARGET_FP32_MODE_)
TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_FP32_MODE='"$(CC_TARGET_FP32_MODE_)"'
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