Suppress a pybind11 warning on recent compilers

See pybind/pybind11#5224.
dials · Aug 16, 2024 · e644290 · e644290
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diff --git a/newsfragments/XXX.misc b/newsfragments/XXX.misc
@@ -0,0 +1 @@
+Suppress a flumpy warning coming from pybind11. See https://github.com/pybind/pybind11/issues/5224.
diff --git a/src/dxtbx/CMakeLists.txt b/src/dxtbx/CMakeLists.txt
@@ -75,6 +75,13 @@ if(HAS_VISIBILITY)
     target_compile_options(dxtbx_flumpy PRIVATE -fvisibility=hidden)
 endif()
 
+# pybind11 causes a bounds checking warning on recent compilers
+check_cxx_compiler_flag("-Wno-array-bounds" HAS_BOUNDS_WARNING)
+check_cxx_compiler_flag("-Wno-stringop-overread" HAS_OVERREAD_WARNING)
+if(HAS_BOUNDS_WARNING AND HAS_OVERREAD_WARNING)
+    target_compile_options(dxtbx_flumpy PRIVATE -Wno-array-bounds -Wno-stringop-overread)
+endif()
+
 install(
     TARGETS
         dxtbx_ext