Configuration.mk: check TOCK_ARCH_FAMILIES before running the riscv compiler.

Author: ratmice

Configuration.mk

@@ -249,8 +249,10 @@ CC_rv32imac := $(CC_rv32)
 
 # Determine the version of the RISC-V compiler. This is used to select the
 # version of the libgcc library that is compatible.
-CC_rv32_version := $(shell $(TOOLCHAIN_rv32)$(CC_rv32) -dumpfullversion)
-CC_rv32_version_major := $(shell echo $(CC_rv32_version) | cut -f1 -d.)
+ifneq ($(findstring rv32i,$(TOCK_ARCH_FAMILIES)),)
+  CC_rv32_version := $(shell $(TOOLCHAIN_rv32)$(CC_rv32) -dumpfullversion)
+  CC_rv32_version_major := $(shell echo $(CC_rv32_version) | cut -f1 -d.)
+endif
 
 # Match compiler version to support libtock-newlib versions.
 ifeq ($(CC_rv32_version_major),10)
@@ -686,6 +688,7 @@ ifneq ($(V),)
   $(info MAKEFLAGS=$(MAKEFLAGS))
   $(info PACKAGE_NAME=$(PACKAGE_NAME))
   $(info TOCK_ARCHS=$(TOCK_ARCHS))
+  $(info TOCK_ARCH_FAMILIES=$(TOCK_ARCH_FAMILIES))
   $(info TOCK_TARGETS=$(TOCK_TARGETS))
   $(info TOCK_USERLAND_BASE_DIR=$(TOCK_USERLAND_BASE_DIR))
   $(info TOOLCHAIN=$(TOOLCHAIN))