diff options
| -rw-r--r-- | Makefile.toolchain | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/Makefile.toolchain b/Makefile.toolchain index c4531ded3f..5956c7ad26 100644 --- a/Makefile.toolchain +++ b/Makefile.toolchain @@ -7,18 +7,23 @@ # # Toolchain configuration -HOST_CROSS_COMPILE ?= x86_64-pc-linux-gnu- -CC=ccache $(CROSS_COMPILE)gcc -CPP=ccache $(CROSS_COMPILE)cpp +# Try not to assume too much about optional tools and prefixes +CCACHE:=$(shell which ccache 2>/dev/null) +ifeq ($(origin HOST_CROSS_COMPILE),undefined) +HOST_CROSS_COMPILE:=$(if $(shell which x86_64-pc-linux-gnu-gcc 2>/dev/null),x86_64-pc-linux-gnu-,) +endif + +CC=$(CCACHE) $(CROSS_COMPILE)gcc +CPP=$(CCACHE) $(CROSS_COMPILE)cpp LD=$(CROSS_COMPILE)ld NM=$(CROSS_COMPILE)nm OBJCOPY=$(CROSS_COMPILE)objcopy OBJDUMP=$(CROSS_COMPILE)objdump PKG_CONFIG?=pkg-config -BUILDCC?=ccache gcc -HOSTCC?=ccache $(HOST_CROSS_COMPILE)gcc -HOSTCXX?=ccache $(HOST_CROSS_COMPILE)g++ +BUILDCC?=$(CCACHE) gcc +HOSTCC?=$(CCACHE) $(HOST_CROSS_COMPILE)gcc +HOSTCXX?=$(CCACHE) $(HOST_CROSS_COMPILE)g++ C_WARN = -Wstrict-prototypes -Wdeclaration-after-statement -Wno-pointer-sign COMMON_WARN = -Wall -Werror -Wundef -Wno-trigraphs -fno-strict-aliasing \ |