New package: ibm-java (#10777)

* Add binary package of the IBM Java SDK for big and little-endian
  powerpc (power7, 8 and 9).  The jdk and openjdk packages only install
  on x86_64.
* Add ibm-java as a java provider
* The jdk and openjdk packages only install on x86_64. Add conflicts
  for ppc64 and ppc64le to jdk and openjdk.

etc/spack/defaults/packages.yaml

@@ -27,7 +27,7 @@ packages:
       glu: [mesa-glu, openglu]
       golang: [gcc]
       ipp: [intel-ipp]
-      java: [jdk]
+      java: [jdk, openjdk, ibm-java]
       jpeg: [libjpeg-turbo, libjpeg]
       lapack: [openblas]
       mkl: [intel-mkl]

var/spack/repos/builtin/packages/ibm-java/package.py

@@ -0,0 +1,68 @@
+# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+import platform
+import os
+
+
+class IbmJava(Package):
+    """Binary distribution of the IBM Java Software Development Kit
+    for big and little-endian powerpc (power7, 8 and 9)."""
+
+    homepage = "https://developer.ibm.com/javasdk/"
+
+    # There are separate tar files for big and little-endian machine
+    # types.  When we add more versions, then turn this into a mapping
+    # from version and machine type to sha256sum.
+    mach = platform.machine()
+    if mach == 'ppc64le':
+        sha = 'dec6434d926861366c135aac6234fc28b3e7685917015aa3a3089c06c3b3d8f0'
+    else:
+        sha = 'd39ce321bdadd2b2b829637cacf9c1c0d90235a83ff6e7dcfa7078faca2f212f'
+
+    version('8.0.5.30', sha256=sha, expand=False)
+
+    provides('java@8')
+
+    conflicts('target=x86_64', msg='ibm-java is only available for ppc64 and ppc64le')
+
+    # This assumes version numbers are 4-tuples: 8.0.5.30
+    def url_for_version(self, version):
+        # Convert 8.0.5.30 to 8.0-5.30 for the file name.
+        dash = '{0}.{1}-{2}.{3}'.format(*(str(version).split('.')))
+
+        url = ('http://public.dhe.ibm.com/ibmdl/export/pub/systems/cloud'
+               '/runtimes/java/{0}/linux/{1}/ibm-java-sdk-{2}-{1}'
+               '-archive.bin').format(version, self.mach, dash)
+
+        return url
+
+    def setup_environment(self, spack_env, run_env):
+        run_env.set('JAVA_HOME', self.prefix)
+
+    def install(self, spec, prefix):
+        archive = os.path.basename(self.stage.archive_file)
+
+        # The archive.bin file is quite fussy and doesn't work as a
+        # symlink.
+        if os.path.islink(archive):
+            targ = os.readlink(archive)
+            os.unlink(archive)
+            copy(targ, archive)
+
+        # The properties file is how we avoid an interactive install.
+        prop = 'properties'
+        with open(prop, 'w') as file:
+            file.write('INSTALLER_UI=silent\n')
+            file.write('USER_INSTALL_DIR=%s\n' % prefix)
+            file.write('LICENSE_ACCEPTED=TRUE\n')
+
+        # Running the archive file installs everything.
+        set_executable(archive)
+        inst = Executable(join_path('.', archive))
+        inst('-f', prop)
+
+        return

var/spack/repos/builtin/packages/jdk/package.py

@@ -66,6 +66,9 @@ class Jdk(Package):
     provides('java@8',  when='@1.8.0:1.8.999')
     provides('java@7',  when='@1.7.0:1.7.999')
 
+    conflicts('target=ppc64', msg='jdk is only available for x86_64')
+    conflicts('target=ppc64le', msg='jdk is only available for x86_64')
+
     # FIXME:
     # 1. `extends('java')` doesn't work, you need to use `extends('jdk')`
     # 2. Packages cannot extend multiple packages, see #987

var/spack/repos/builtin/packages/openjdk/package.py

@@ -18,6 +18,9 @@ class Openjdk(Package):
     provides('java')
     provides('java@11', when='@11.0:11.99')
 
+    conflicts('target=ppc64', msg='openjdk is only available for x86_64')
+    conflicts('target=ppc64le', msg='openjdk is only available for x86_64')
+
     # FIXME:
     # 1. `extends('java')` doesn't work, you need to use `extends('openjdk')`
     # 2. Packages cannot extend multiple packages, see #987