Add Makefile for a simpler mechanism of building FOAM/nanos

Makefile

@@ -0,0 +1,48 @@
+FOAM2_HOME ?= .
+
+foam2_SRC_DIR = src
+foam2_CLASSES = tools/classes.js
+
+# Format for dependencies from maven is
+# <groupId>:<artifactId>:<version>
+foam2_MAVEN_DEPS = \
+	javax.json:javax.json-api:1.0 \
+	javax.mail:mail:1.4.7 \
+	javax.mail:javax.mail-api:1.5.5 \
+	javax.servlet:javax.servlet-api:3.1.0 \
+	javax.websocket:javax.websocket-api:1.1 \
+	jstl:jstl:1.2 \
+	org.apache.commons:commons-text:1.1 \
+	org.apache.commons:commons-dbcp2:2.0.1 \
+	org.apache.commons:commons-lang3:3.6 \
+	commons-io:commons-io:2.6 \
+	org.apache-extras.beanshell:bsh:2.0b6 \
+	com.google.api-client:google-api-client:1.22.0 \
+	org.jtwig:jtwig-core:5.86.1.RELEASE \
+	org.mongodb:mongodb-driver:3.4.2 \
+	org.mongodb:mongodb-driver-core:3.4.2 \
+	org.mongodb:bson:3.4.2 \
+	org.postgresql:postgresql:42.0.0 \
+	org.java-websocket:Java-WebSocket:1.3.4 \
+	com.authy:authy-java:1.1.0 \
+	org.bouncycastle:bcpkix-jdk15on:1.57 \
+	org.bouncycastle:bcprov-jdk15on:1.57 \
+	org.java-websocket:Java-WebSocket:1.3.7 \
+	com.google.guava:guava:23.6-jre \
+	com.google.appengine:appengine-api-1.0-sdk:1.9.24
+
+java_JARS = foam2
+
+include build-aux/tools.mk
+include build-aux/java.mk
+
+nanos: nanos.in
+	sed -e 's,@CLASSPATH[@],$(foam2_CLASSPATH):$(abspath $(foam2_JAR)),g' $< > $@
+	chmod +x $@
+
+all: nanos
+
+.PHONY: run
+
+run: nanos $(foam2_JAR)
+	./$< --datadir src

build-aux/java.mk

@@ -0,0 +1,103 @@
+MAVEN_BASE_URL=http://central.maven.org/maven2
+
+JAVA_DEP_DIR ?= lib
+
+.DELETE_ON_ERROR:
+
+empty :=
+space := $(empty) $(empty)
+#split <string> <separator>
+split = $(subst $(2),$(space),$(1))
+
+java_dep_version = $(word 3,$(call split,$(1),:))
+java_dep_artifact = $(word 2,$(call split,$(1),:))
+java_dep_group = $(word 1,$(call split,$(1),:))
+java_dep_jar = $(call java_dep_artifact,$(1))-$(call java_dep_version,$(1)).jar
+java_dep_sha1 = $(call java_dep_jar,$(1)).sha1
+java_dep_jar_url = $(MAVEN_BASE_URL)/$(subst .,/,$(call java_dep_group,$(1)))/$(call java_dep_artifact,$(1))/$(call java_dep_version,$(1))/$(call java_dep_jar,$(1))
+java_dep_sha1_url = $(MAVEN_BASE_URL)/$(subst .,/,$(call java_dep_group,$(1)))/$(call java_dep_artifact,$(1))/$(call java_dep_version,$(1))/$(call java_dep_sha1,$(1))
+
+foam_genjava = $(NODE) $(FOAM2_HOME)/tools/genjava2.js
+
+define JAVA_MAVEN_LIB_template =
+$(2)_JAVA_LIBS += $(JAVA_DEP_DIR)/$(call java_dep_jar,$(1))
+$(JAVA_DEP_DIR)/$(call java_dep_jar,$(1)):
+	@echo Downloading $(call java_dep_jar,$(1))
+	$$(WGET) -O $(JAVA_DEP_DIR)/$(call java_dep_sha1,$(1)) $(call java_dep_sha1_url,$(1))
+	$$(WGET) -O $$@ $(call java_dep_jar_url,$(1))
+	@echo Verifying
+	@if test "$$$$(sha1sum $(JAVA_DEP_DIR)/$(call java_dep_jar,$(1)) | cut -d' ' -f1)" != "$$$$(cat $(JAVA_DEP_DIR)/$(call java_dep_sha1,$(1)))" ; then \
+	  echo "ERROR: Download did not match sha1 checksum." ; \
+	  exit 1 ; \
+	fi
+
+
+endef
+
+
+define JAVA_JAR_template =
+$(1)_CLASSPATH = $$(subst $$(space),:,$$(foreach lib,$$($(1)_JAVA_LIBS),$$(abspath $$(lib))))
+$(1)_JAVA_SRCS ?= $$(shell find $$($(1)_SRC_DIR) -type f -iname '*.java')
+$(1)_JS_SRCS ?= $$(shell find $$($(1)_SRC_DIR) -type f -iname '*.js')
+$(1)_ALL_SRCS = $$($(1)_JAVA_SRCS) $$($(1)_JS_SRCS)
+$(1)_GEN_SRC_DIR = .$(1)-gensrcs
+$(1)_BUILD_DIR = .$(1)-build
+$(1)_GEN_SRCS = $$(shell find $$($(1)_GEN_SRC_DIR) -type f -iname '*.java')
+$(1)_JAR = $$($(1)_BUILD_DIR)/$(1).jar
+
+.PHONY: $(1)-gensrcs $(1)-java-deps $(1)-list-deps
+
+all: $(1)
+
+$(1)-list-deps:
+	$$(foreach dep,$$($(1)_JAVA_LIBS),$$(info $$(dep)))
+
+$$($(1)_GEN_SRC_DIR):
+	$$(MKDIR_P) $$@
+
+$$($(1)_BUILD_DIR):
+	$$(MKDIR_P) $$@
+
+$(1)_SRC_HASH:=$$($(1)_GEN_SRC_DIR)/.$$(shell cat $$($(1)_JS_SRCS) $$($(1)_CLASSES) | sha256sum | cut -d" " -f1)
+
+$$($(1)_JAR): $$($(1)_SRC_HASH)
+
+$$($(1)_SRC_HASH): | $$($(1)_GEN_SRC_DIR)
+	find $$($(1)_GEN_SRC_DIR) -type f -iname '*.java' -delete
+	$$(foam_genjava) $$($(1)_CLASSES) $$($(1)_GEN_SRC_DIR) $$($(1)_SRC_DIR)
+	touch $$@
+
+clean-$(1)-gensrcs:
+	-rm -rf $$($(1)_GEN_SRC_DIR)
+
+clean-$(1):
+	-rm -f $$($(1)_BUILD_DIR)/$(1).jar
+
+clean: clean-$(1) clean-$(1)-gensrcs
+
+.PHONY: $(1)
+
+$(1): $$($(1)_BUILD_DIR)/$(1).jar $(1).classpath.txt
+
+$(1).classpath.txt: $$($(1)_JAR)
+	echo $$($(1)_CLASSPATH):$$(abspath $$($(1)_JAR)) > $$@
+
+$(foreach dep,$($(1)_MAVEN_DEPS),$(call JAVA_MAVEN_LIB_template,$(dep),$(1)))
+
+$(1)-java-deps: $$($(1)_JAVA_LIBS)
+
+clean-$(1)-java-deps:
+	-rm -f $$($(1)_JAVA_LIBS)
+
+$$($(1)_JAR): $$($(1)_JAVA_SRCS) $$($(1)_JAVA_LIBS) | $$($(1)_BUILD_DIR)
+	find $$($(1)_BUILD_DIR) -type f -iname '*.class' -delete
+	@echo "Compiling..."
+	@$$(JAVAC) -d $$($(1)_BUILD_DIR) -cp $$($(1)_CLASSPATH) $$($(1)_JAVA_SRCS) $$($(1)_GEN_SRCS)
+	@echo "Packaging..."
+	$$(JAR) cvf $$@ -C $$($(1)_BUILD_DIR) .
+
+.PHONY: run-$(1)
+
+endef
+
+$(foreach prog,$(java_JARS),$(eval $(call JAVA_JAR_template,$(prog))))

build-aux/tools.mk

@@ -0,0 +1,6 @@
+JAVAC ?= javac
+JAVA ?= java
+JAR ?= jar
+NODE ?= node
+WGET ?= wget
+MKDIR_P ?= mkdir -p

lib/README.txt

@@ -0,0 +1 @@
+The Makefile will download dependencies from maven and put them here.

nanos.in

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+java -cp @CLASSPATH@ foam.nanos.boot.Boot $@