libs/cairo/patches/001-musl-stacksize.patch

   1 Reduce the footprint of stack frame usage by turning
   2 some large(r) structures as `static __thread` instead.
   3
   4 --- a/src/cairo-rectangular-scan-converter.c
   5 +++ b/src/cairo-rectangular-scan-converter.c
   6 @@ -489,7 +489,7 @@ generate (cairo_rectangular_scan_convert
   7           cairo_span_renderer_t *renderer,
   8           rectangle_t **rectangles)
   9  {
  10 -    sweep_line_t sweep_line;
  11 +    static __thread sweep_line_t sweep_line;
  12      rectangle_t *start, *stop;
  13      cairo_status_t status;
  14
  15 @@ -656,7 +656,7 @@ _cairo_rectangular_scan_converter_genera
  16                                             cairo_span_renderer_t       *renderer)
  17  {
  18      cairo_rectangular_scan_converter_t *self = converter;
  19 -    rectangle_t *rectangles_stack[CAIRO_STACK_ARRAY_LENGTH (rectangle_t *)];
  20 +    static __thread rectangle_t *rectangles_stack[CAIRO_STACK_ARRAY_LENGTH (rectangle_t *)];
  21      rectangle_t **rectangles;
  22      struct _cairo_rectangular_scan_converter_chunk *chunk;
  23      cairo_status_t status;