[Rd] --disable-long-double or --enable-long-double=no?
tom@@@k@||ber@ @end|ng |rom gm@||@com
Wed Aug 21 14:54:08 CEST 2019
"--disable-long-double" is documented to work and works.
"--enable-long-double=no" works as well.
Please refer to Autoconf documentation (section 15.3),
"--disable-feature is equivalent to --enable-feature=no"
On 8/21/19 2:40 PM, Michael Chirico wrote:
> There's a bit of confusion about how to disable long double support in an R
> I see --disable-long-double scattered about, e.g.
> - R-exts:
> - R-admin:
> - CRAN noLD check description:
> - ?capabilities:
> However, it's *missing* from ./config (cd r-source && grep
> "disable-long-double" configure). Instead there appears to be some code
> built around enable-long-double:
> ./configure:1808: --enable-long-double use long double type [yes]
> ./configure:24723:# Check whether --enable-long-double was given.
> I see the option apparently introduced here in 2012 & the ambiguity is
> immediate -- the commit mentions disable-long-double but builds
> Could someone please help to clear the confusion?
> Michael Chirico
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