Add jemalloc package

var/spack/packages/jemalloc/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class Jemalloc(Package):
+    """jemalloc is a general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support."""
+    homepage = "http://www.canonware.com/jemalloc/"
+    url      = "https://github.com/jemalloc/jemalloc/releases/download/4.0.4/jemalloc-4.0.4.tar.bz2"
+
+    version('4.0.4', '687c5cc53b9a7ab711ccd680351ff988')
+
+    def install(self, spec, prefix):
+        configure('--prefix=%s' % prefix)
+
+        make()
+        make("install")