Change name to Source Builder from Tool Builder.

sb/linux.py

@@ -0,0 +1,63 @@
+#
+# RTEMS Tools Project (http://www.rtems.org/)
+# Copyright 2010-2012 Chris Johns (chrisj@rtems.org)
+# All rights reserved.
+#
+# This file is part of the RTEMS Tools package in 'rtems-tools'.
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+#
+# This code is based on what ever doco about spec files I could find and
+# RTEMS project's spec files.
+#
+
+import pprint
+import os
+
+import execute
+
+def load():
+    uname = os.uname()
+    smp_mflags = ''
+    processors = '/bin/grep processor /proc/cpuinfo'
+    e = execute.capture_execution()
+    exit_code, proc, output = e.shell(processors)
+    if exit_code == 0:
+        cpus = 0
+        for l in output.split('\n'):
+            count = l.split(':')[1].strip()
+            if count > cpus:
+                cpus = int(count)
+        if cpus > 0:
+            smp_mflags = '-j%d' % (cpus)
+    defines = {
+        '_os':                     'linux',
+        '_host':                   uname[4] + '-linux-gnu',
+        '_host_vendor':            'gnu',
+        '_host_os':                'linux',
+        '_host_cpu':               uname[4],
+        '_host_alias':             '%{nil}',
+        '_host_arch':              uname[4],
+        '_usr':                    '/usr',
+        '_var':                    '/usr/var',
+        'optflags':                '-O2 -fasynchronous-unwind-tables',
+        '_smp_mflags':             smp_mflags,
+        '__bzip2':                 '/usr/bin/bzip2',
+        '__gzip':                  '/bin/gzip',
+        '__tar':                   '/bin/tar'
+        }
+    return defines
+
+if __name__ == '__main__':
+    pprint.pprint(load())