diff --git a/gfx/cairo/cairo/src/cairo-compiler-private.h b/gfx/cairo/cairo/src/cairo-compiler-private.h index ffac9ce1823..9a05831534d 100644 --- a/gfx/cairo/cairo/src/cairo-compiler-private.h +++ b/gfx/cairo/cairo/src/cairo-compiler-private.h @@ -234,6 +234,10 @@ ffs (int x) } #endif +#elif defined(__WIN32__) && defined(__GNUC__) + +#define ffs(x) __builtin_ffs(x) + #endif #if defined(_MSC_VER) && defined(_M_IX86) diff --git a/gfx/cairo/win32-ffs-gcc.patch b/gfx/cairo/win32-ffs-gcc.patch new file mode 100644 index 00000000000..e7cc1d1f6b5 --- /dev/null +++ b/gfx/cairo/win32-ffs-gcc.patch @@ -0,0 +1,25 @@ +diff --git a/gfx/cairo/cairo/src/cairo-compiler-private.h b/gfx/cairo/cairo/src/cairo-compiler-private.h +index ffac9ce..9a05831 100644 +--- a/gfx/cairo/cairo/src/cairo-compiler-private.h ++++ b/gfx/cairo/cairo/src/cairo-compiler-private.h +@@ -229,16 +229,20 @@ ffs (int x) + + if (_BitScanForward(&i, x) != 0) + return i + 1; + + return 0; + } + #endif + ++#elif defined(__WIN32__) && defined(__GNUC__) ++ ++#define ffs(x) __builtin_ffs(x) ++ + #endif + + #if defined(_MSC_VER) && defined(_M_IX86) + /* When compiling with /Gy and /OPT:ICF identical functions will be folded in together. + The CAIRO_ENSURE_UNIQUE macro ensures that a function is always unique and + will never be folded into another one. Something like this might eventually + be needed for GCC but it seems fine for now. */ + #define CAIRO_ENSURE_UNIQUE \