# Required for the toolchain
define Require/working-make
- echo 'all: test' > $(TMP_DIR)/check.mk
- echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
- echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
- echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
- $(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
+ $(MAKE) -v | awk '($$$$1 == "GNU") && ($$$$2 = "Make") && ($$$$3 >= "3.81") { print "ok" }' | grep ok > /dev/null
endef
$(eval $(call Require,working-make, \
define Require/working-g++
echo 'int main(int argc, char **argv) { return 0; }' | \
- g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ -
+ g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ - && \
+ $(TMP_DIR)/a.out
endef
$(eval $(call Require,working-g++, \
Please install perl. \
))
+$(eval $(call RequireCommand,python, \
+ Please install python. \
+))
+
$(eval $(call RequireCommand,wget, \
Please install wget. \
))
Please install GNU tar. \
))
+$(eval $(call RequireCommand,svn, \
+ Please install the subversion client. \
+))
+
$(eval $(call RequireCommand,autoconf, \
Please install GNU autoconf. \
))
+define Require/gnu-find
+ $(FIND) $(TMP_DIR) -lname foo
+endef
+
+$(eval $(call Require,gnu-find, \
+ Please install GNU find \
+))
+
+define Require/getopt-extended
+ getopt --long - - >/dev/null
+endef
+
+$(eval $(call Require,getopt-extended, \
+ Please install an extended getopt version that supports --long \
+))