The libquadmath/quadmath.h file cannot be used with C++. The following patch allows inclusion and use of the quadmath.h header file.
2013-03-06 Shakthi Kannan <shakthim...@gmail.com> PR libquadmath/55473 * quadmath.h: Add ifdef __cplusplus macros. --- libquadmath/quadmath.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libquadmath/quadmath.h b/libquadmath/quadmath.h index 863fe44..aa9ef51 100644 --- a/libquadmath/quadmath.h +++ b/libquadmath/quadmath.h @@ -23,6 +23,10 @@ Boston, MA 02110-1301, USA. */ #include <stdlib.h> +#ifdef __cplusplus +extern "C" { +#endif + /* Define the complex type corresponding to __float128 ("_Complex __float128" is not allowed) */ typedef _Complex float __attribute__((mode(TC))) __complex128; @@ -189,4 +193,8 @@ __quadmath_nth (conjq (__complex128 __z)) return __extension__ ~__z; } +#ifdef __cplusplus +} +#endif + #endif -- 1.7.11.7