visit: configure build functions in YAML config file

Tools/visit/build

@@ -1,13 +1,5 @@
 #!/usr/bin/env modbuild
 
-pbuild::configure() {
-        :
-}
-
-pbuild::compile() {
-        :
-}
-
 pbuild::install() {
 	cd "${PMODULES_DISTFILESDIR}"
 	bash "./visit-install-${V_PKG}" ${V} linux-$(uname -p) ${PREFIX}

Tools/visit/files/config.yaml

@@ -5,8 +5,11 @@ visit:
     group: Tools
     overlay: base
     relstage: stable
-    systems: [sles15.5]
+    systems: [sles.*, rhel.*]
     docfiles: [Copyright, NEWS, README]
+    build_functions:
+      configure: []
+      compile: []
   versions:
     3.4.2:
       config:
@@ -18,5 +21,4 @@ visit:
             name: visit3_4_2.linux-x86_64.tar.gz
             unpacker: none
         relstage: unstable
-        systems: [sles*]