..., not just '#if defined(__CYGWIN__)'. (Exception: 'clog10l' which currently
indeed is for Cygwin only.)
This completes 2017-07-05 commit be3ca39474
"Fixed warnings for some long double complex methods" after Aditya Upadhyay's
work on importing "Long double complex methods" from NetBSD.
For example, this changes GCC/nvptx libgfortran 'configure' output as follows:
[...]
checking for ccosf... yes
checking for ccos... yes
checking for ccosl... [-no-]{+yes+}
[...]
..., and correspondingly GCC/nvptx 'nvptx-none/libgfortran/config.h' as
follows:
[...]
/* Define to 1 if you have the `ccosl' function. */
-/* #undef HAVE_CCOSL */
+#define HAVE_CCOSL 1
[...]
Similarly for 'ccoshl', 'cexpl', 'cpowl', 'csinl', 'csinhl', 'ctanl', 'ctanhl',
'cacoshl', 'cacosl', 'casinhl', 'catanhl'. ('conjl', 'cprojl' are not
currently being used in libgfortran.)
This in turn simplifies GCC/nvptx 'libgfortran/intrinsics/c99_functions.c'
compilation such that this files doesn't have to provide its own
"Implementation of various C99 functions" for those, when in fact they're
available in newlib libm.
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