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authorNathaniel Graff <nathaniel.graff@sifive.com>2019-04-11 21:40:18 +0000
committerGitHub <noreply@github.com>2019-04-11 21:40:18 +0000
commita4d97b7aec6eb939eb1f61883591ba5cc58be258 (patch)
tree2c2ec40b70c96ec4d166957e8b3a1878d027988c
parent931b6c5cba1bb2c18235e2e7cb7db586b086dda9 (diff)
parent878c52d332da287711aaf9055ac148a6f18e19bf (diff)
Merge pull request #231 from sifive/newlib-nano
Switch to newlib-nano and use CCASFLAGS
-rw-r--r--scripts/standalone.mk17
1 files changed, 11 insertions, 6 deletions
diff --git a/scripts/standalone.mk b/scripts/standalone.mk
index 78328c5..913b24b 100644
--- a/scripts/standalone.mk
+++ b/scripts/standalone.mk
@@ -86,16 +86,20 @@ SEGGER_JLINK_GDB_SERVER := JLinkGDBServer
#############################################################
# Set the arch, ABI, and code model
-RISCV_ASFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -mcmodel=$(RISCV_CMODEL)
-RISCV_CFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -mcmodel=$(RISCV_CMODEL)
-RISCV_CXXFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -mcmodel=$(RISCV_CMODEL)
+RISCV_CCASFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -mcmodel=$(RISCV_CMODEL)
+RISCV_CFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -mcmodel=$(RISCV_CMODEL)
+RISCV_CXXFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -mcmodel=$(RISCV_CMODEL)
# Prune unused functions and data
RISCV_CFLAGS += -ffunction-sections -fdata-sections
RISCV_CXXFLAGS += -ffunction-sections -fdata-sections
# Include the Metal headers
-RISCV_ASFLAGS += -I$(abspath $(BSP_DIR)/install/include/)
-RISCV_CFLAGS += -I$(abspath $(BSP_DIR)/install/include/)
-RISCV_CXXFLAGS += -I$(abspath $(BSP_DIR)/install/include/)
+RISCV_CCASFLAGS += -I$(abspath $(BSP_DIR)/install/include/)
+RISCV_CFLAGS += -I$(abspath $(BSP_DIR)/install/include/)
+RISCV_CXXFLAGS += -I$(abspath $(BSP_DIR)/install/include/)
+# Use newlib-nano
+RISCV_CCASFLAGS += --specs=nano.specs
+RISCV_CFLAGS += --specs=nano.specs
+RISCV_CXXFLAGS += --specs=nano.specs
# Turn on garbage collection for unused sections
RISCV_LDFLAGS += -Wl,--gc-sections
@@ -145,6 +149,7 @@ $(PROGRAM_ELF): \
CC=$(RISCV_GCC) \
CXX=$(RISCV_GXX) \
ASFLAGS="$(RISCV_ASFLAGS)" \
+ CCASFLAGS="$(RISCV_CCASFLAGS)" \
CFLAGS="$(RISCV_CFLAGS)" \
CXXFLAGS="$(RISCV_CXXFLAGS)" \
LDFLAGS="$(RISCV_LDFLAGS)" \