Bug#1133521: libkml: ftbfs with GCC-16
Emanuele Rocca
ema at debian.org
Mon Apr 13 14:05:44 BST 2026
Package: src:libkml
Version: 1.3.0-13
Severity: important
Tags: sid forky ftbfs
User: debian-gcc at lists.debian.org
Usertags: ftbfs-gcc-16
Hi,
libkml fails to build in a test rebuild on at least amd64 and arm64 with
gcc-16/g++-16, but builds properly with gcc-15/g++-15. The severity of this
report will be raised before the forky release.
The full build log can be found at:
https://people.debian.org/~ema/gcc-16-rebuilds/output-1/libkml_arm64.build.xz
The last lines of the build log are at the end of this report.
To build with GCC 16, either set CC=gcc-16 CXX=g++-16 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.
apt-get -t=experimental install g++
Common build failures include unused (but set) variables, array subscripts
partly outside array bounds, and new/dropped symbols in Debian symbols files.
For other C/C++ related build failures see the porting guide at
http://gcc.gnu.org/gcc-16/porting_to.html
Please only close this issue after double-checking that the package can be
built correctly with GCC 16.
Please do not reassign this bug to another package. If a fix in another package
is required, then file a bug for the other package (or clone), and mark this
bug as blocked by the bug in the other package.
[...]
68 | set_gx_playlist(NULL);
| ^~~~
/usr/include/boost/smart_ptr/intrusive_ptr.hpp:59:55: error: ‘intrusive_ptr_add_ref’ was not declared in this scope; did you mean ‘kmlbase::intrusive_ptr_add_ref’?
59 | if( px != 0 && add_ref ) intrusive_ptr_add_ref( px );
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~
| kmlbase::intrusive_ptr_add_ref
/build/reproducible-path/libkml-1.3.0/src/kml/base/referent.h:70:6: note: ‘kmlbase::intrusive_ptr_add_ref’ declared here
70 | void intrusive_ptr_add_ref(kmlbase::Referent* r);
| ^~~~~~~~~~~~~~~~~~~~~
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:264: src/kml/dom/CMakeFiles/kmldom.dir/gx_tour.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:432: src/kml/dom/CMakeFiles/kmldom.dir/liststyle.cc.o] Error 1
/usr/include/boost/smart_ptr/intrusive_ptr.hpp: In instantiation of ‘constexpr boost::intrusive_ptr<T>::intrusive_ptr(T*, bool) [with T = kmldom::Model]’:
/build/reproducible-path/libkml-1.3.0/src/kml/dom/geometry.h:568:34: required from here
568 | void clear_model() { set_model(NULL); }
| ^~~~
/usr/include/boost/smart_ptr/intrusive_ptr.hpp:59:55: error: ‘intrusive_ptr_add_ref’ was not declared in this scope; did you mean ‘kmlbase::intrusive_ptr_add_ref’?
59 | if( px != 0 && add_ref ) intrusive_ptr_add_ref( px );
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~
| kmlbase::intrusive_ptr_add_ref
/build/reproducible-path/libkml-1.3.0/src/kml/base/referent.h:70:6: note: ‘kmlbase::intrusive_ptr_add_ref’ declared here
70 | void intrusive_ptr_add_ref(kmlbase::Referent* r);
| ^~~~~~~~~~~~~~~~~~~~~
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:166: src/kml/dom/CMakeFiles/kmldom.dir/document.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:236: src/kml/dom/CMakeFiles/kmldom.dir/geometry.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:572: src/kml/dom/CMakeFiles/kmldom.dir/schema.cc.o] Error 1
/usr/include/boost/smart_ptr/intrusive_ptr.hpp: In instantiation of ‘constexpr boost::intrusive_ptr<T>::intrusive_ptr(T*, bool) [with T = kmldom::GxPlaylist]’:
/build/reproducible-path/libkml-1.3.0/src/kml/dom/gx_tour.h:68:21: required from here
68 | set_gx_playlist(NULL);
| ^~~~
/usr/include/boost/smart_ptr/intrusive_ptr.hpp:59:55: error: ‘intrusive_ptr_add_ref’ was not declared in this scope; did you mean ‘kmlbase::intrusive_ptr_add_ref’?
59 | if( px != 0 && add_ref ) intrusive_ptr_add_ref( px );
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~
| kmlbase::intrusive_ptr_add_ref
/build/reproducible-path/libkml-1.3.0/src/kml/base/referent.h:70:6: note: ‘kmlbase::intrusive_ptr_add_ref’ declared here
70 | void intrusive_ptr_add_ref(kmlbase::Referent* r);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/include/boost/smart_ptr/intrusive_ptr.hpp: In instantiation of ‘constexpr boost::intrusive_ptr<T>::intrusive_ptr(T*, bool) [with T = kmldom::GxPlaylist]’:
/build/reproducible-path/libkml-1.3.0/src/kml/dom/gx_tour.h:68:21: required from here
68 | set_gx_playlist(NULL);
| ^~~~
/usr/include/boost/smart_ptr/intrusive_ptr.hpp:59:55: error: ‘intrusive_ptr_add_ref’ was not declared in this scope; did you mean ‘kmlbase::intrusive_ptr_add_ref’?
59 | if( px != 0 && add_ref ) intrusive_ptr_add_ref( px );
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~
| kmlbase::intrusive_ptr_add_ref
/build/reproducible-path/libkml-1.3.0/src/kml/base/referent.h:70:6: note: ‘kmlbase::intrusive_ptr_add_ref’ declared here
70 | void intrusive_ptr_add_ref(kmlbase::Referent* r);
| ^~~~~~~~~~~~~~~~~~~~~
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:180: src/kml/dom/CMakeFiles/kmldom.dir/element.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:110: src/kml/dom/CMakeFiles/kmldom.dir/atom.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:194: src/kml/dom/CMakeFiles/kmldom.dir/extendeddata.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:712: src/kml/dom/CMakeFiles/kmldom.dir/visitor_driver.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:698: src/kml/dom/CMakeFiles/kmldom.dir/visitor.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:558: src/kml/dom/CMakeFiles/kmldom.dir/region.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:362: src/kml/dom/CMakeFiles/kmldom.dir/kml_handler.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:530: src/kml/dom/CMakeFiles/kmldom.dir/placemark.cc.o] Error 1
make[3]: *** [src/kml/dom/CMakeFiles/kmldom.dir/build.make:334: src/kml/dom/CMakeFiles/kmldom.dir/kml_cast.cc.o] Error 1
make[3]: Leaving directory '/build/reproducible-path/libkml-1.3.0/obj-aarch64-linux-gnu'
make[2]: *** [CMakeFiles/Makefile2:294: src/kml/dom/CMakeFiles/kmldom.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....
[ 63%] Linking CXX shared library ../../../lib/libkmlxsd.so
cd /build/reproducible-path/libkml-1.3.0/obj-aarch64-linux-gnu/src/kml/xsd && /usr/bin/cmake -E cmake_link_script CMakeFiles/kmlxsd.dir/link.txt --verbose=1
/usr/bin/c++ -fPIC -g -O2 -ffile-prefix-map=/build/reproducible-path/libkml-1.3.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -Wno-unused-parameter -pedantic -fno-rtti -shared -Wl,-z,relro -Wl,-z,now -Wl,--dependency-file=CMakeFiles/kmlxsd.dir/link.d -Wl,-soname,libkmlxsd.so.1 -o ../../../lib/libkmlxsd.so.1.3.0 CMakeFiles/kmlxsd.dir/xsd_complex_type.cc.o CMakeFiles/kmlxsd.dir/xsd_element.cc.o CMakeFiles/kmlxsd.dir/xsd_file.cc.o CMakeFiles/kmlxsd.dir/xsd_handler.cc.o CMakeFiles/kmlxsd.dir/xsd_primitive_type.cc.o CMakeFiles/kmlxsd.dir/xsd_util.cc.o CMakeFiles/kmlxsd.dir/xst_parser.cc.o -Wl,-rpath,/build/reproducible-path/libkml-1.3.0/obj-aarch64-linux-gnu/lib: ../../../lib/libkmlbase.so.1.3.0 /usr/lib/aarch64-linux-gnu/libexpat.so /usr/lib/aarch64-linux-gnu/libz.so /usr/lib/aarch64-linux-gnu/libminizip.so /usr/lib/aarch64-linux-gnu/liburiparser.so /usr/lib/aarch64-linux-gnu/libexpat.so /usr/lib/aarch64-linux-gnu/libz.so /usr/lib/aarch64-linux-gnu/libminizip.so /usr/lib/aarch64-linux-gnu/liburiparser.so
cd /build/reproducible-path/libkml-1.3.0/obj-aarch64-linux-gnu/src/kml/xsd && /usr/bin/cmake -E cmake_symlink_library ../../../lib/libkmlxsd.so.1.3.0 ../../../lib/libkmlxsd.so.1 ../../../lib/libkmlxsd.so
make[3]: Leaving directory '/build/reproducible-path/libkml-1.3.0/obj-aarch64-linux-gnu'
[ 63%] Built target kmlxsd
make[2]: Leaving directory '/build/reproducible-path/libkml-1.3.0/obj-aarch64-linux-gnu'
make[1]: *** [Makefile:139: all] Error 2
make[1]: Leaving directory '/build/reproducible-path/libkml-1.3.0/obj-aarch64-linux-gnu'
dh_auto_build: error: cd obj-aarch64-linux-gnu && make -j128 INSTALL="install --strip-program=true" VERBOSE=1 returned exit code 2
make: *** [debian/rules:13: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit status 2
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