For MacOS wxWidgets build - comment out #define fdopen and allow it to use macOS/clang 17 default impl

Author: kvakvs

.github/scripts/build-macos-wxwidgets.sh

@@ -37,8 +37,10 @@ else
   tar -xf wxWidgets-$vsn.tar.bz2
   rm -rf wxWidgets-build && mv wxWidgets-$vsn/ wxWidgets-build
 
-  # Replace #include <fp.h> in pngpriv.h to #include <math.h> for macOS build.
+  # Replace #include <fp.h> in pngpriv.h to #include <math.h> for MacOS build.
   sed -i '' -E 's/^#[[:space:]]*include[[:space:]]*<fp\.h>/#include <math.h>/' "wxWidgets-build/src/png/pngpriv.h"
+  # Find and comment out #define fdopen NULL in zutil.h and let it use default MacOS impl
+  sed -i '' -E 's/^([[:space:]]*#[[:space:]]*define[[:space:]]+fdopen.*)$//' "wxWidgets-build/src/zlib/zutil.h"
 fi
 
 cd wxWidgets-build