diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 8a664bc442..c37684cb3e 100644 --- a/configure.ac +++ b/configure.ac @@ -68,7 +68,7 @@ int zend_sprintf(char *buffer, const char *format, ...); #include <math.h> #ifndef zend_isnan -#if HAVE_DECL_ISNAN +#if HAVE_DECL_ISNAN && (!defined(__cplusplus) || __cplusplus < 201103L) #define zend_isnan(a) isnan(a) #elif defined(HAVE_FPCLASS) #define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN)) @@ -77,7 +77,7 @@ int zend_sprintf(char *buffer, const char *format, ...); #endif #endif -#if HAVE_DECL_ISINF +#if HAVE_DECL_ISINF && (!defined(__cplusplus) || __cplusplus < 201103L) #define zend_isinf(a) isinf(a) #elif defined(INFINITY) /* Might not work, but is required by ISO C99 */ @@ -88,7 +88,7 @@ int zend_sprintf(char *buffer, const char *format, ...); #define zend_isinf(a) 0 #endif -#if HAVE_DECL_ISFINITE +#if HAVE_DECL_ISFINITE && (!defined(__cplusplus) || __cplusplus < 201103L) #define zend_finite(a) isfinite(a) #elif defined(HAVE_FINITE) #define zend_finite(a) finite(a) |