[371/416] Compiling C object tools/vipsheader.p/vipsheader.c.o
../tools/vipsheader.c:229:8: warning: variable 'image' is used uninitialized whenever '||' condition is true [-Wsometimes-uninitialized]
  229 |                         if (!(source = vips_source_new_from_descriptor(0)) ||
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../tools/vipsheader.c:241:7: note: uninitialized use occurs here
  241 |                 if (image &&
      |                     ^~~~~
../tools/vipsheader.c:229:8: note: remove the '||' if its condition is always false
  229 |                         if (!(source = vips_source_new_from_descriptor(0)) ||
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../tools/vipsheader.c:221:19: note: initialize the variable 'image' to silence this warning
  221 |                 VipsImage *image;
      |                                 ^
      |                                  = NULL
1 warning generated.