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| author | Aaron Crane <arc@cpan.org> | 2017-10-13 13:54:42 +0200 |
|---|---|---|
| committer | Aaron Crane <arc@cpan.org> | 2017-10-21 16:53:02 +0100 |
| commit | edb450b123b6d0746d07c89cc1fe31426753497c (patch) | |
| tree | e82aa53119af1f4483574facf863b3d5f31e2b19 /plan9 | |
| parent | b905af4c1158d6ce72032009e9f8387d5a5f5285 (diff) | |
| download | perl-edb450b123b6d0746d07c89cc1fe31426753497c.tar.gz | |
Rely on C89 <float.h> defining DBL_DIG
I would like to be able to assume that we have long doubles, and therefore
that LDBL_DIG and friends are all defined too. But it seems that we may
still support some platforms which are otherwise C89, but don't have even
trivial long-double support; in particular, HP/UX 10 apparently uses a
struct of four uint32_t values as long double, but doesn't support other
bits, and confuses the Configure probe that looks for quadmath.
Diffstat (limited to 'plan9')
| -rw-r--r-- | plan9/config.plan9 | 8 | ||||
| -rw-r--r-- | plan9/config_h.sample | 8 |
2 files changed, 0 insertions, 16 deletions
diff --git a/plan9/config.plan9 b/plan9/config.plan9 index 5e9a9a926b..0d42aae460 100644 --- a/plan9/config.plan9 +++ b/plan9/config.plan9 @@ -127,14 +127,6 @@ */ #define HAS_CUSERID /**/ -/* HAS_DBL_DIG: - * This symbol, if defined, indicates that this system's <float.h> - * or <limits.h> defines the symbol DBL_DIG, which is the number - * of significant digits in a double precision number. If this - * symbol is not defined, a guess of 15 is usually pretty good. - */ -#define HAS_DBL_DIG /* */ - /* HAS_DIFFTIME: * This symbol, if defined, indicates that the difftime routine is * available. diff --git a/plan9/config_h.sample b/plan9/config_h.sample index bb63df7a02..77c877221a 100644 --- a/plan9/config_h.sample +++ b/plan9/config_h.sample @@ -85,14 +85,6 @@ */ #define HAS_CUSERID /**/ -/* HAS_DBL_DIG: - * This symbol, if defined, indicates that this system's <float.h> - * or <limits.h> defines the symbol DBL_DIG, which is the number - * of significant digits in a double precision number. If this - * symbol is not defined, a guess of 15 is usually pretty good. - */ -#define HAS_DBL_DIG /* */ - /* HAS_DIFFTIME: * This symbol, if defined, indicates that the difftime routine is * available. |