# See /LICENSE for more information.
#
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/verbose.mk
-
-$(TMP_DIR):
- mkdir -p $@
-
prereq:
- @echo
- @if [ -f $(TMP_DIR)/.prereq-error ]; then \
+ 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: prereq
define Require
+ export PREREQ_CHECK=1
ifeq ($$(CHECK_$(1)),)
prereq: prereq-$(1)
- prereq-$(1): $(TMP_DIR) FORCE
- @echo -n "Checking '$(1)'... "
- @if $(NO_TRACE_MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
+ prereq-$(1): FORCE
+ echo -n "Checking '$(1)'... "
+ if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
echo 'ok.'; \
else \
echo 'failed.'; \
- echo -e "$(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
+ echo -e "$(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \
fi
check-$(1): FORCE
$(call Require/$(1))
CHECK_$(1):=1
+
+ .SILENT: prereq-$(1) check-$(1)
endif
endef
$$(eval $$(call Require,$(1),$(2)))
endef
-# Required for the toolchain
-define Require/working-make
- echo 'all: test' > $(TMP_DIR)/check.mk
- echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
- echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
- echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
- $(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
-endef
-
-$(eval $(call Require,working-make, \
- Your make version is buggy. Please install GNU make v3.81 or later. \
-))
-
-define Require/working-gcc
- echo 'int main(int argc, char **argv) { return 0; }' | \
- gcc -x c -o $(TMP_DIR)/a.out -
-endef
-
-$(eval $(call Require,working-gcc, \
- No working GNU C Compiler was found on your system. \
-))
-
-define Require/working-g++
- echo 'int main(int argc, char **argv) { return 0; }' | \
- g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ -
-endef
-
-$(eval $(call Require,working-g++, \
- No working GNU C++ Compiler was found on your system. \
-))
-
-define Require/zlib
- echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
- gcc -x c -o $(TMP_DIR)/a.out -lz -
-endef
-
-$(eval $(call Require,zlib, \
- The development version of zlib was not found on your system. \
-))
-
-
-$(eval $(call RequireCommand,bison, \
- Please install GNU bison. \
-))
-
-$(eval $(call RequireCommand,flex, \
- Please install flex. \
-))
-
-$(eval $(call RequireCommand,python, \
- Please install python. \
-))
-
-$(eval $(call RequireCommand,unzip, \
- Please install unzip. \
-))
-
-$(eval $(call RequireCommand,bzip2, \
- Please install bzip2. \
-))
-
-$(eval $(call RequireCommand,patch, \
- Please install patch. \
-))
-
-