#12285: Update darwin_memory_usage.c for Lion header files
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Reporter: ncarter | Owner: GeorgSWeber
Type: defect | Status: new
Priority: major | Milestone: sage-4.8
Component: build | Keywords: sd35.5 osx lion
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Problem:
I got a pre-built 10.6 Sage from here:
[http://www.google.com/url?sa=D&q=http://wstein.org/home/wstein/tmp/sage-4.7.3.alpha1-x86_64-Darwin.dmg&usg
=AFQjCNGZr8xE-ECiC8ecV7TPI5nOamLiNQ]. Even though I'm on Lion, this
installs and runs correctly.
But when I tried {{{./sage -b}}}, it fails when compiling
{{{devel/sage/misc/darwin_memory_usage.c}}}.
Details:
The error is that that file contains the line {{{#include
<mach/task_info.h>}}}, which, on Lion, assumes that the symbol
{{{vm_extmod_statistics_data_t}}} has already been defined.
Fix:
To define that symbol, we need to first {{{#include
<mach/vm_statistics.h>}}}. It is simple to insert such a line at the
beginning of {{{darwin_memory_usage.c}}}, right before the first
{{{#include}}}. Doing so fixes the problem. Jason Grout was kind enough
to test the same change on his 10.6 machine, and verify that the change
doesn't screw up the build there.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12285>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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