dweiss commented on a change in pull request #2068:
URL: https://github.com/apache/lucene-solr/pull/2068#discussion_r523722104



##########
File path: gradle/native/disable-native.gradle
##########
@@ -17,20 +17,65 @@
 
 // This is the master switch to disable all tasks that compile
 // native (cpp) code.
-def buildNative = propertyOrDefault("build.native", true).toBoolean()
+rootProject.ext {
+  buildNative = propertyOrDefault("build.native", true).toBoolean()
+}
+
+// Explicitly list all projects that should be configured for native 
extensions.
+// We could scan for projects with a the cpp-library plugin but this is faster.
+def nativeProjects = allprojects.findAll {it.path in [
+    ":lucene:misc:native"
+]}
+
+def javaProjectsWithNativeDeps = allprojects.findAll {it.path in [
+    ":lucene:misc"
+]}
+
+// Set up defaults for projects with native dependencies.
+configure(javaProjectsWithNativeDeps, {
+  configurations {

Review comment:
       This is something I considered but eventually left out. Technically, 
it's trivial to do but my concern is that then the content of the "lucene 
distribution" depends on the machine you build it on - native libraries will 
vary and you can't (?) easily compile all libraries for the most common 
platforms to include all of them in the distribution... I don't know how to 
solve it. 
   
   Unless those native extensions offer super performance boosts I'd rather 
treat them as "sandbox", expert-level stuff and not include them in the 
distribution by default? You can bring this issue up on the dev list, perhaps 
other people have an opinion here - I have never used those extensions myself.




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