From b7595f2c2ec14389170808dfb36b1d99c9d0e899 Mon Sep 17 00:00:00 2001 From: ngoto Date: Tue, 5 Jun 2018 14:16:50 +0000 Subject: 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 --- include/ruby/missing.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include') 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 # endif # define isinf(x) (!finite(x) && !isnan(x)) -# elif __cplusplus >= 201103L +# elif defined(__cplusplus) && __cplusplus >= 201103L # include // 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 // it must include constexpr bool isnan(double); # else RUBY_EXTERN int isnan(double); -- cgit v1.2.3