diff options
| author | ngoto <ngoto@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-05 14:16:50 +0000 |
|---|---|---|
| committer | ngoto <ngoto@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-05 14:16:50 +0000 |
| commit | b7595f2c2ec14389170808dfb36b1d99c9d0e899 (patch) | |
| tree | 2d7e5c57fdbfb47ed615c7273925010b4be411a6 /include/ruby/missing.h | |
| parent | b5d6db65b49528c45cdfa75200dc8013d332b0db (diff) | |
include/ruby/missing.h: defined(__cplusplus) before using __cplusplus
* include/ruby/missing.h (isinf, isnan): For non-C++ programs,
defined(__cplusplus) may be needed before using __cplusplus.
[Bug #14816]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63572 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'include/ruby/missing.h')
| -rw-r--r-- | include/ruby/missing.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h index 2d3852c131..03657042ce 100644 --- a/include/ruby/missing.h +++ b/include/ruby/missing.h @@ -168,7 +168,7 @@ RUBY_EXTERN const union bytesequence4_or_float rb_nan; # include <ieeefp.h> # endif # define isinf(x) (!finite(x) && !isnan(x)) -# elif __cplusplus >= 201103L +# elif defined(__cplusplus) && __cplusplus >= 201103L # include <cmath> // it must include constexpr bool isinf(double); # else RUBY_EXTERN int isinf(double); @@ -178,7 +178,7 @@ RUBY_EXTERN int isinf(double); #ifndef isnan # ifndef HAVE_ISNAN -# if __cplusplus >= 201103L +# if defined(__cplusplus) && __cplusplus >= 201103L # include <cmath> // it must include constexpr bool isnan(double); # else RUBY_EXTERN int isnan(double); |