[issue7652] Merge C version of decimal into py3k.

[Stefan Krah]

Stefan Krah <stefan-usenet at bytereef.org> added the comment:

Benjamin Peterson <report at bugs.python.org> wrote:
> Speaking of inline, the "inline" keyword will have to go because it's not C89.

Actually the trickier instances of "inline" in the .c files are already
suppressed when LEGACY_COMPILER (i.e. C89) is defined. I've now listed the
machine options here:

http://hg.python.org/features/cdecimal/file/0f032cda94aa/Modules/_decimal/README.txt

As I now remember, that was in fact necessary for CompCert. The "static inline"
instances in header files might not be a problem even for embedded compilers,
see e.g.:

http://embeddedgurus.com/barr-code/2011/03/do-inline-function-bodies-belong-in-c-header-files/

IIRC also the Linux kernel uses "static inline" in header files.

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