# See /LICENSE for more information.
#
-$(TMP_DIR):
- mkdir -p $@
-
prereq:
if [ -f $(TMP_DIR)/.prereq-error ]; then \
echo; \
cat $(TMP_DIR)/.prereq-error; \
+ rm -f $(TMP_DIR)/.prereq-error; \
echo; \
- rm -rf $(TMP_DIR); \
false; \
fi
- rm -rf $(TMP_DIR)
- mkdir -p $(TMP_DIR)
-.SILENT: $(TMP_DIR) prereq
+.SILENT: prereq
define Require
export PREREQ_CHECK=1
ifeq ($$(CHECK_$(1)),)
prereq: prereq-$(1)
- prereq-$(1): $(TMP_DIR) FORCE
+ prereq-$(1): FORCE
echo -n "Checking '$(1)'... "
if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
echo 'ok.'; \
else \
echo 'failed.'; \
- echo -e "$(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
+ echo -e "$(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \
fi
check-$(1): FORCE