#12369: Add a gcc package
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Reporter: jdemeyer | Owner: tbd
Type: task | Status: new
Priority: major | Milestone: sage-5.0
Component: packages | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: Jeroen Demeyer
Merged: | Dependencies: #11073, #10492, #12366, #12367,
#12368, #12405, #12416, #12422, #12423, #12425
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Comment(by rohana):
I haven't looked at the spkg yet (which is probably old anyway), but
looking at the root patch that you wrote, I have a few of requests:
1. I agree with Karl. Do not install gcc if gcc is new enough (>=4.0.1),
this will cause every mac developer to have to build gcc upon building
sage (significantly increasing the build time). I'm not a mac user, but I
know that if I had to do this on my system, I would be annoyed.
2. Assume the user knows what they are doing it CC is set (like you do for
CXX and SAGE_FORTRAN). While not a very common use case, it would be
helpful to not have to go hack the installation file if you were trying to
port sage to another compiler (like I am right now).
3. (You might be doing this already) If fortran is the only language that
needs to be built (such as on macs), please do not build gcc and g++.
And a couple comments:
1. You assume that CC supports -dumpversion when determining if you should
upgrade gcc. I'm fairly certain this is not an option supported by all
compilers. Also, the value you would get would be meaningless anyway,
since it wouldn't be a gcc version anyway (well, unless it is clang).
2. For OBJC and OBJCXX, I would point to /usr/bin/cc and /usr/bin/cpp
instead. If/when apple stops distributing gcc/g++, then these will
continue to point to valid compilers.
In response to Karl about a replacement for Xcode (or tools on any
platform). This does not provide one, even in binary distributions of sage
since we need binutils and make, neither of which this would provide (and
neither of which are on OSX without Xcode).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12369#comment:17>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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