#12830: Improve handling of CFLAGS in GMP-ECM's spkg-install
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Reporter: leif | Owner: leif
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.0
Component: packages | Keywords: spkg -march=native assembler
error Darwin MacOS __GMP_CFLAGS __MPIR_CFLAGS gmp.h
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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Adding `-march=native` to `CFLAGS` may lead to assembler errors, e.g. on
MacOS X with newer GCCs on newer CPUs (e.g. such supporting AVX, which
Apple's assembler currently doesn't).
Newer versions of MPIR don't define `__GMP_CFLAGS` (in `gmp.h`) to a
''string literal'', but instead to a ''preprocessor macro''
(`__MPIR_CFLAGS`), which in turn is defined to the string we want.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12830>
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