Got version 1.2.1 building, but 1.3 and onwards are different.

var/spack/packages/otf2/package.py

@@ -4,7 +4,7 @@
 import os
 
 class Otf2(Package):
-    """The Open Trace Format 2 is a highly scalable, memory efficient event 
+    """The Open Trace Format 2 is a highly scalable, memory efficient event
        trace data format plus support library."""
 
     homepage = "http://www.vi-hps.org/score-p"
@@ -17,20 +17,26 @@ class Otf2(Package):
     version('1.2.1', '8fb3e11fb7489896596ae2c7c83d7fc8',
             url="http://www.vi-hps.org/upload/packages/otf2/otf2-1.2.1.tar.gz")
 
+
+    @when('@:1.2')
+    def version_specific_args(self, args):
+        return ["--with-platform=disabled"]
+
+    @when('@1.3:')
+    def version_specific_args(self, args):
+        # TODO: figure out what scorep's build does as of otf2 1.3
+        return []
+
+
     def install(self, spec, prefix):
         # FIXME: Modify the configure line to suit your build system here.
         cc = os.environ["SPACK_CC"]
 
         configure_args=["--prefix=%s" % prefix,
-                        "--enable-shared"]
+                        "--enable-shared"])
+
+        configure_args.extend(self.version_specific_args())
 
-        if spec.satisfies('%gcc'):
-            configure_args.append('--with-nocross-compiler-suite=gcc')
-        if spec.satisfies('%intel'):
-            configure_args.append('--with-nocross-compiler-suite=intel')
-        if spec.satisfies('%pgi'):
-            configure_args.append('--with-nocross-compiler-suite=pgi')
-            
         configure(*configure_args)
 
         # FIXME: Add logic to build and install here