diff options
| -rw-r--r-- | common/scummsys.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/common/scummsys.h b/common/scummsys.h index aeffbbfcf3..099b12b291 100644 --- a/common/scummsys.h +++ b/common/scummsys.h @@ -144,6 +144,11 @@ #endif #endif +// The following math constants are usually defined by the system math.h header, but +// they are not part of the ANSI C++ standards and so can NOT be relied upon to be +// present i.e. when -std=c++11 is passed to GCC, enabling strict ANSI compliance. +// As we rely on these being present, we define them if they are not set. + #ifndef M_SQRT1_2 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ #endif |