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-rw-r--r--os/common/startup/ARMCMx/compilers/LLVM/mk/rules.mk1
1 files changed, 1 insertions, 0 deletions
diff --git a/os/common/startup/ARMCMx/compilers/LLVM/mk/rules.mk b/os/common/startup/ARMCMx/compilers/LLVM/mk/rules.mk
index 6c593f0a8..9c88dbe78 100644
--- a/os/common/startup/ARMCMx/compilers/LLVM/mk/rules.mk
+++ b/os/common/startup/ARMCMx/compilers/LLVM/mk/rules.mk
@@ -41,6 +41,7 @@ ifneq ($(USE_FPU),no)
DDEFS += -DCORTEX_USE_FPU=TRUE
DADEFS += -DCORTEX_USE_FPU=TRUE
else
+ OPT += -mfloat-abi=soft
DDEFS += -DCORTEX_USE_FPU=FALSE
DADEFS += -DCORTEX_USE_FPU=FALSE
endif