#10260: module_list.py: quaternion_algebra_element.pyx wrongly uses -std=c99
option
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Reporter: jdemeyer | Owner: GeorgSWeber
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.6.1
Component: build | Keywords:
Author: Jeroen Demeyer | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by fbissey):
Replying to [comment:3 robertwb]:
> Could you explain what "D_XPG6" is and why it's needed? (I've seen this
elsewhere, and yet to have anyone justify it.)
After a quick googling it looks like something ugly. First hit says:
XPG was the X/Open Portability Guide, a pre-POSIX consortium to promote
interoperability between different UNIX vendors. XPG6 is "X/Open
Portability Guide, Issue 6".
But that one is a little bit more verbose about what that flag is supposed
to do:
[http://unix.derkeiler.com/Newsgroups/comp.unix.solaris/2007-01/msg00360.html]
In short make C99 code work inside c++ code... Which may explain why
someone
bothered to put it together with -std=c99. Also the post ask how to enable
it
on solaris which explains why there is a uname_specific command with it.
It seem to be regarded as a bad idea by a number of people.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10260#comment:4>
Sage <http://www.sagemath.org>
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