[Numpy-svn] r4208 - in branches/numpy.scons: . numpy/core

numpy-svn@scip... numpy-svn@scip...
Tue Oct 16 04:40:27 CDT 2007


Author: cdavid
Date: 2007-10-16 04:40:17 -0500 (Tue, 16 Oct 2007)
New Revision: 4208

Added:
   branches/numpy.scons/numpy/core/build_doc.txt
Modified:
   branches/numpy.scons/
   branches/numpy.scons/numpy/core/SConstruct
Log:
Add a build_doc to gather my current understanding on how the configuration and build of numpy.core is done.


Property changes on: branches/numpy.scons
___________________________________________________________________
Name: bzr:revision-info
   - timestamp: 2007-10-16 14:05:31.012000084 +0900
committer: David Cournapeau <david@ar.media.kyoto-u.ac.jp>
properties: 
	branch-nick: numpy.scons

   + timestamp: 2007-10-16 14:55:08.713000059 +0900
committer: David Cournapeau <david@ar.media.kyoto-u.ac.jp>
properties: 
	branch-nick: numpy.scons

Name: bzr:file-ids
   - setup.old.py	462@94b884b6-d6fd-0310-90d3-974f1d3f35e1:trunk:setup.py
setup.py	setupscons.py-20071012073152-5cjw0f21wjrronpp-1

   + numpy/core/build_doc.txt	build_doc.txt-20071016055442-x5ujdblb74i4ifyb-1

Name: bzr:revision-id:v3-trunk0
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Modified: branches/numpy.scons/numpy/core/SConstruct
===================================================================
--- branches/numpy.scons/numpy/core/SConstruct	2007-10-16 05:16:41 UTC (rev 4207)
+++ branches/numpy.scons/numpy/core/SConstruct	2007-10-16 09:40:17 UTC (rev 4208)
@@ -1,4 +1,4 @@
-# Last Change: Mon Oct 15 07:00 PM 2007 J
+# Last Change: Tue Oct 16 02:00 PM 2007 J
 # vim:syntax=python
 import os
 from os.path import join as pjoin, basename as pbasename, dirname as pdirname
@@ -274,7 +274,7 @@
     pjoin(env['src_dir'], 'code_generators', 'ufunc_api_order.txt'))
 
 # XXX
-env.Append(CCFLAGS = "-Wall -O2")
+#env.Append(CCFLAGS = "-Wall -O2")
 
 #-----------------
 # Build multiarray

Added: branches/numpy.scons/numpy/core/build_doc.txt
===================================================================
--- branches/numpy.scons/numpy/core/build_doc.txt	2007-10-16 05:16:41 UTC (rev 4207)
+++ branches/numpy.scons/numpy/core/build_doc.txt	2007-10-16 09:40:17 UTC (rev 4208)
@@ -0,0 +1,66 @@
+.. Last Change: Tue Oct 16 02:00 PM 2007 J
+.. vim:syntax=rest
+
+This is some info I (David Cournapeau) have gathered so far on the
+configuration and build of numpy.core
+
+Configuration header
+====================
+
+This is the most subtle issue: it is easy to mess things up here, and is
+difficult to detect. The problem here is that a config.h should normaly only
+contain #define, no #ifdef and so on. The ifdef should be handled somewhere
+else, really.
+
+Thread config
+-------------
+
+Python API defines a WITH_THREAD variable which says whether we should use
+thread or not ourselves. Should implements a test, and defines NPY_ALLOW_THREAD
+accordingly. Value depends on:
+        - WITH_THREAD (Python.h header)
+        - NPY_NOSMP (env variable)
+
+win32 specific
+--------------
+
+NPY_NO_SIGNAL: seems to depend only on platform (win32).
+DISTUTILS_USE_SDK: for AMD64 arch on windows only ?
+
+Mathlib
+-------
+
+List of libs sequence for math lib.
+        - is tested against denormal problems
+If no working found: setup fails
+If working: MATHLIB defines to the mathlib.
+
+PyOS_ascii_strtod
+-----------------
+
+?
+
+Multiarray and ufunc api generators:
+====================================
+
+multiarray api -> in generate_array_api.py. The function should be redefined
+such as it takes source files, and output a target. This can be done quite
+easily. 
+
+XXX: A better thing would be to merge the code for multiarray and ufunc
+generators, but this looks difficult without breaking anything in non obvious
+ways.
+
+umath generator:
+================
+
+XXX: How is this different than API generators above ?
+
+From template (*.src) builders
+==============================
+
+The generator code resides in distutils.
+
+!!!! FROM_TEMPLATE AND CONV_TEMPLATE ARE DIFFERENT (C vs Fortran) !!!!!
+
+Those should be easy to wrap in a builder function.



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