BUILD_ENV = \
export CCACHE_DIR=$(CCACHE_DIR) ; \
- export PATH=$(TOOL_INSTALL_DIR)/ccache-bin:$(TOOL_INSTALL_DIR)/bin:$${PATH} ; \
+ export PATH=$(wildcard /usr/lib*/ccache):$(TOOL_INSTALL_DIR)/bin:$${PATH} ; \
+ $(if $(call configure_var_fn,PATH), export PATH=$${PATH}:$(call configure_var_fn,PATH);,) \
export PATH="`echo $${PATH} | sed -e s/[.]://`" ; \
$(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,) \
set -eu$(BUILD_DEBUG) ; \