cross-build with 2.11 and 2.12

Author: lrytz

admin/build.sh

@@ -11,7 +11,7 @@ if [ "$TRAVIS_JDK_VERSION" == "$PUBLISH_JDK" ] && [[ "$TRAVIS_TAG" =~ ^v[0-9]+\.
   echo "Going to release from tag $TRAVIS_TAG!"
   myVer=$(echo $TRAVIS_TAG | sed -e s/^v//)
   publishVersion='set every version := "'$myVer'"'
-  extraTarget="publish-signed"
+  extraTarget="+publish-signed"
   cat admin/gpg.sbt >> project/plugins.sbt
   cp admin/publish-settings.sbt .
 
@@ -22,4 +22,4 @@ if [ "$TRAVIS_JDK_VERSION" == "$PUBLISH_JDK" ] && [[ "$TRAVIS_TAG" =~ ^v[0-9]+\.
   openssl aes-256-cbc -K $K -iv $IV -in admin/secring.asc.enc -out admin/secring.asc -d
 fi
 
-sbt "$publishVersion" clean update test publishLocal $extraTarget
+sbt "$publishVersion" clean update +test +publishLocal $extraTarget

build.sbt

@@ -6,7 +6,9 @@ name                       := "scala-parser-combinators"
 
 version                    := "1.0.5-SNAPSHOT"
 
-scalaVersion               := "2.11.6"
+scalaVersion               := crossScalaVersions.value.head
+
+crossScalaVersions         := Seq("2.11.6", "2.12.0-M1")
 
 // important!! must come here (why?)
 scalaModuleOsgiSettings