[target] derive system from hostcc to allow building inside a chroot

[openwrt.git] / target / toolchain / Makefile

diff --git a/target/toolchain/Makefile b/target/toolchain/Makefile
index 0db18d1..20f753a 100644 (file)
--- a/target/toolchain/Makefile
+++ b/target/toolchain/Makefile
@@ -13,8 +13,8 @@ include $(INCLUDE_DIR)/host.mk
 
 override MAKEFLAGS=
 
-PKG_OS:=$(shell uname -s)
-PKG_CPU:=$(shell uname -m)
+PKG_OS:=$(word 2,$(subst -, ,$(shell $(HOSTCC) -dumpmachine)))
+PKG_CPU:=$(word 1,$(subst -, ,$(shell $(HOSTCC) -dumpmachine)))
 
 TOOLCHAIN_NAME:=OpenWrt-Toolchain-$(BOARD)-for-$(ARCH)$(ARCH_SUFFIX)-gcc-$(GCCV)$(DIR_SUFFIX)
 TOOLCHAIN_BUILD_DIR:=$(BUILD_DIR)/$(TOOLCHAIN_NAME)