FTBFS with GCC 13

[marxin]

Fails with:

[   22s] cd /home/abuild/rpmbuild/BUILD/openexr-3.1.5/build/src/lib/OpenEXR && /usr/bin/c++ -DOPENEXR_EXPORTS -DOpenEXR_EXPORTS -I/home/abuild/rpmbuild/BUILD/openexr-3.1.5/build/src/lib/OpenEXR -I/home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/OpenEXR -I/home/abuild/rpmbuild/BUILD/openexr-3.1.5/build/cmake -I/home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/Iex -I/home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/IlmThread -isystem /usr/include/Imath -O2 -Wall -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -flto=auto -O2 -g -DNDEBUG -fPIC -fvisibility=hidden -fvisibility-inlines-hidden -MD -MT src/lib/OpenEXR/CMakeFiles/OpenEXR.dir/ImfDeepTiledInputPart.cpp.o -MF CMakeFiles/OpenEXR.dir/ImfDeepTiledInputPart.cpp.o.d -o CMakeFiles/OpenEXR.dir/ImfDeepTiledInputPart.cpp.o -c /home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/OpenEXR/ImfDeepTiledInputPart.cpp
[   22s] In file included from /home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/OpenEXR/ImfDeepTiledInputPart.cpp:6:
[   22s] /home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/OpenEXR/ImfDeepTiledInputPart.h:314:36: error: 'uint64_t' has not been declared
[   22s]   314 |                                    uint64_t &dataSize
[   22s]       |                                    ^~~~~~~~
[   22s] In file included from /home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/OpenEXR/ImfDeepTiledInputPart.cpp:9:
[   22s] /home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/OpenEXR/ImfDeepTiledInputFile.h:358:38: error: 'uint64_t' has not been declared
[   22s]   358 |                                      uint64_t &dataSize) const;
[   22s]       |                                      ^~~~~~~~
[   22s] /home/abuild/rpmbuild/BUILD/openexr-3.1.5/src/lib/OpenEXR/ImfDeepTiledInputPart.cpp:207:34: error: 'uint64_t' has not been declared
[   22s]   207 |                                  uint64_t & dataSize) const
[   22s]       |                                  ^~~~~~~~
[   22s] make[2]: *** [src/lib/OpenEXR/CMakeFiles/OpenEXR.dir/build.make:373: src/lib/OpenEXR/CMakeFiles/OpenEXR.dir/ImfDeepTiledInputPart.cpp.o] Error 1
[   22s] make[2]: Leaving directory '/home/abuild/rpmbuild/BUILD/openexr-3.1.5/build'
[   22s] make[2]: *** Waiting for unfinished jobs....

due to:
https://gcc.gnu.org/gcc-13/porting_to.html#header-dep-changes

[kmilos]

I think already adressed by #1264

[marxin]

Thanks for the fix.