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authorPalmer Dabbelt <palmer@dabbelt.com>2018-12-13 17:15:31 -0800
committerGitHub <noreply@github.com>2018-12-13 17:15:31 -0800
commit5c87a8a19e089ac761d8fb253dc34d8b71199247 (patch)
tree185117932170bb94b91223c7dac7d77396d40047
parent74421448754bc20404c4e13c43a3fb6cd0ee0849 (diff)
parent917b2ee5cc51471550bbe56ba1ab6afe3161fd13 (diff)
Merge pull request #110 from sifive/cross-compile
Allow users to set a CROSS_COMPLIE argument
-rw-r--r--Makefile13
1 files changed, 8 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index e5e5216..5b1b186 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,9 @@
# Configuration
#############################################################
+# Allow users to select a different cross compiler.
+CROSS_COMPILE ?= riscv64-unknown-elf
+
# Allows users to create Makefile.local or ../Makefile.project with
# configuration variables, so they don't have to be set on the command-line
# every time.
@@ -96,11 +99,11 @@ toolchain_prefix := $(toolchain_builddir)/prefix
RISCV_PATH ?= $(toolchain_prefix)
-RISCV_GCC := $(abspath $(RISCV_PATH)/bin/riscv64-unknown-elf-gcc)
-RISCV_GXX := $(abspath $(RISCV_PATH)/bin/riscv64-unknown-elf-g++)
-RISCV_OBJDUMP := $(abspath $(RISCV_PATH)/bin/riscv64-unknown-elf-objdump)
-RISCV_GDB := $(abspath $(RISCV_PATH)/bin/riscv64-unknown-elf-gdb)
-RISCV_AR := $(abspath $(RISCV_PATH)/bin/riscv64-unknown-elf-ar)
+RISCV_GCC := $(abspath $(RISCV_PATH)/bin/$(CROSS_COMPILE)-gcc)
+RISCV_GXX := $(abspath $(RISCV_PATH)/bin/$(CROSS_COMPILE)-g++)
+RISCV_OBJDUMP := $(abspath $(RISCV_PATH)/bin/$(CROSS_COMPILE)-objdump)
+RISCV_GDB := $(abspath $(RISCV_PATH)/bin/$(CROSS_COMPILE)-gdb)
+RISCV_AR := $(abspath $(RISCV_PATH)/bin/$(CROSS_COMPILE)-ar)
PATH := $(abspath $(RISCV_PATH)/bin):$(PATH)