#14168: Fix race condition rebuilding MPIR,... with GCC spkg
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Reporter: jdemeyer | Owner: GeorgSWeber
Type: defect | Status: closed
Priority: blocker | Milestone: sage-5.8
Component: build | Resolution: fixed
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Karl-Dieter Crisman, Leif
Leonhardy
Authors: Jeroen Demeyer | Merged in: sage-5.8.beta3
Dependencies: | Stopgaps:
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Comment (by leif):
Now probably for a follow-up:
`$(INST)/$(GCC)` should also depend on `toolchain-deps`, since otherwise
MPIR, MPFR, MPC and ZLIB may (still) get built in parallel as
prerequisites of the GCC spkg (i.e., when built the first time, and GCC
gets installed).
We could also be a bit smarter regarding whether `CC` is GCC, and whether
we're using a GCC version >= 4.5 (as older versions don't use
GMP/MPFR/MPC).
(Re)building PPL may also break a running GCC (if LTO is used);
fortunately our PPL spkg is pretty outdated... ;-)
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14168#comment:15>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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