Initial gradle build.

Author: dweiss

.gitignore

@@ -20,4 +20,8 @@ target
 
 # IntelliJ
 .idea/
-*.iml
+*.iml
+
+# Gradle
+build/
+.gradle/

TODO.txt

@@ -0,0 +1,14 @@
+
+Porting to gradle
+
+- port hppc-examples
+- port benchmarks (?)
+- remove maven artifacts (pom.xml, update readmes).
+- packaging and sonatype/maven publishing
+
+Improvements
+
+- Target Java 11 as minimum.
+- Try to upgrade template parser; use closures where appropriate to reduce output file size.
+- Add scaffolding so that streams api can be used?
+

build.gradle

@@ -0,0 +1,31 @@
+plugins {
+  id 'base'
+
+  id "com.palantir.consistent-versions" version '1.24.0'
+
+  id 'com.diffplug.gradle.spotless' version "4.5.1" apply false
+  id "com.github.ben-manes.versions" version "0.28.0"
+
+  id 'de.thetaphi.forbiddenapis' version '3.0.1' apply false
+}
+
+rootProject.version = '0.8.3-SNAPSHOT'
+ext {
+  fullName = "High Performance Primitive Collections"
+  legal = files('LICENSE.txt')
+  forbiddenApiRulesDir = file("gradle/forbidden-apis")
+}
+
+apply from: file('gradle/misc/propertyOrDefault.gradle')
+apply from: file('gradle/validation/check-environment.gradle')
+apply from: file('gradle/git/gitinfo.gradle')
+apply from: file('gradle/java/compiler.gradle')
+apply from: file('gradle/java/tests.gradle')
+
+apply from: file('gradle/ide/idea.gradle')
+
+allprojects {
+  repositories {
+    mavenCentral()
+  }
+}