Bug#1097289: libwebm: ftbfs with GCC-15
Package: src:libwebm
Version: 1.0.0.31-1
Severity: important
Tags: sid forky
User: debian-gcc@lists.debian.org
Usertags: ftbfs-gcc-15
[This bug is NOT targeted to the upcoming trixie release]
Please keep this issue open in the bug tracker for the package it
was filed for. If a fix in another package is required, please
file a bug for the other package (or clone), and add a block in this
package. Please keep the issue open until the package can be built in
a follow-up test rebuild.
The package fails to build in a test rebuild on at least amd64 with
gcc-15/g++-15, but succeeds to build with gcc-14/g++-14. The
severity of this report will be raised before the forky release.
The full build log can be found at:
http://qa-logs.debian.net/2025/02/16/amd64exp/libwebm_1.0.0.31-1_unstable_gccexp.log.gz
The last lines of the build log are at the end of this report.
To build with GCC 15, either set CC=gcc-15 CXX=g++-15 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.
apt-get -t=experimental install g++
GCC 15 now defaults to the C23/C++23 standards, exposing many FTBFS.
Other Common build failures are new warnings resulting in build failures
with -Werror turned on, or new/dropped symbols in Debian symbols files.
For other C/C++ related build failures see the porting guide at
http://gcc.gnu.org/gcc-15/porting_to.html
[...]
/build/reproducible-path/libwebm-1.0.0.31/mkvparser/mkvparser.cc:269:46: note: ‘uint64_t’ is defined in header ‘<cstdint>’; this is probably fixable by adding ‘#include <cstdint>’
/build/reproducible-path/libwebm-1.0.0.31/mkvparser/mkvparser.cc:272:5: error: ‘dd’ was not declared in this scope
272 | dd = 0;
| ^~
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/usr/bin/c++ -I/build/reproducible-path/libwebm-1.0.0.31 -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser/include -I/googlemock/include -std=c++14 -g -ffile-prefix-map=/build/reproducible-path/libwebm-1.0.0.31=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -O3 -fPIC -pie -Wdate-time -D_FORTIFY_SOURCE=2 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Wall -Wc++14-compat -Wc++17-compat -Wc++20-compat -Wextra -Wnarrowing -Wno-deprecated -fPIC -MD -MT CMakeFiles/webm_parser.dir/webm_parser/src/unknown_parser.cc.o -MF CMakeFiles/webm_parser.dir/webm_parser/src/unknown_parser.cc.o.d -o CMakeFiles/webm_parser.dir/webm_parser/src/unknown_parser.cc.o -c /build/reproducible-path/libwebm-1.0.0.31/webm_parser/src/unknown_parser.cc
[ 20%] Building CXX object CMakeFiles/webm_parser.dir/webm_parser/src/var_int_parser.cc.o
/usr/bin/c++ -I/build/reproducible-path/libwebm-1.0.0.31 -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser/include -I/googlemock/include -std=c++14 -g -ffile-prefix-map=/build/reproducible-path/libwebm-1.0.0.31=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -O3 -fPIC -pie -Wdate-time -D_FORTIFY_SOURCE=2 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Wall -Wc++14-compat -Wc++17-compat -Wc++20-compat -Wextra -Wnarrowing -Wno-deprecated -fPIC -MD -MT CMakeFiles/webm_parser.dir/webm_parser/src/var_int_parser.cc.o -MF CMakeFiles/webm_parser.dir/webm_parser/src/var_int_parser.cc.o.d -o CMakeFiles/webm_parser.dir/webm_parser/src/var_int_parser.cc.o -c /build/reproducible-path/libwebm-1.0.0.31/webm_parser/src/var_int_parser.cc
[ 21%] Building CXX object CMakeFiles/webm_parser.dir/webm_parser/src/virtual_block_parser.cc.o
/usr/bin/c++ -I/build/reproducible-path/libwebm-1.0.0.31 -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser/include -I/googlemock/include -std=c++14 -g -ffile-prefix-map=/build/reproducible-path/libwebm-1.0.0.31=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -O3 -fPIC -pie -Wdate-time -D_FORTIFY_SOURCE=2 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Wall -Wc++14-compat -Wc++17-compat -Wc++20-compat -Wextra -Wnarrowing -Wno-deprecated -fPIC -MD -MT CMakeFiles/webm_parser.dir/webm_parser/src/virtual_block_parser.cc.o -MF CMakeFiles/webm_parser.dir/webm_parser/src/virtual_block_parser.cc.o.d -o CMakeFiles/webm_parser.dir/webm_parser/src/virtual_block_parser.cc.o -c /build/reproducible-path/libwebm-1.0.0.31/webm_parser/src/virtual_block_parser.cc
[ 21%] Building CXX object CMakeFiles/webm_parser.dir/webm_parser/src/void_parser.cc.o
/usr/bin/c++ -I/build/reproducible-path/libwebm-1.0.0.31 -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser/include -I/googlemock/include -std=c++14 -g -ffile-prefix-map=/build/reproducible-path/libwebm-1.0.0.31=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -O3 -fPIC -pie -Wdate-time -D_FORTIFY_SOURCE=2 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Wall -Wc++14-compat -Wc++17-compat -Wc++20-compat -Wextra -Wnarrowing -Wno-deprecated -fPIC -MD -MT CMakeFiles/webm_parser.dir/webm_parser/src/void_parser.cc.o -MF CMakeFiles/webm_parser.dir/webm_parser/src/void_parser.cc.o.d -o CMakeFiles/webm_parser.dir/webm_parser/src/void_parser.cc.o -c /build/reproducible-path/libwebm-1.0.0.31/webm_parser/src/void_parser.cc
[ 22%] Building CXX object CMakeFiles/webm_parser.dir/webm_parser/src/webm_parser.cc.o
/usr/bin/c++ -I/build/reproducible-path/libwebm-1.0.0.31 -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser/include -I/googlemock/include -std=c++14 -g -ffile-prefix-map=/build/reproducible-path/libwebm-1.0.0.31=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -O3 -fPIC -pie -Wdate-time -D_FORTIFY_SOURCE=2 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Wall -Wc++14-compat -Wc++17-compat -Wc++20-compat -Wextra -Wnarrowing -Wno-deprecated -fPIC -MD -MT CMakeFiles/webm_parser.dir/webm_parser/src/webm_parser.cc.o -MF CMakeFiles/webm_parser.dir/webm_parser/src/webm_parser.cc.o.d -o CMakeFiles/webm_parser.dir/webm_parser/src/webm_parser.cc.o -c /build/reproducible-path/libwebm-1.0.0.31/webm_parser/src/webm_parser.cc
[ 22%] Building CXX object CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvmuxerutil.cc.o
/usr/bin/c++ -I/build/reproducible-path/libwebm-1.0.0.31 -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser/include -I/googlemock/include -std=c++14 -g -ffile-prefix-map=/build/reproducible-path/libwebm-1.0.0.31=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -O3 -fPIC -pie -Wdate-time -D_FORTIFY_SOURCE=2 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Wall -Wc++14-compat -Wc++17-compat -Wc++20-compat -Wextra -Wnarrowing -Wno-deprecated -fPIC -MD -MT CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvmuxerutil.cc.o -MF CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvmuxerutil.cc.o.d -o CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvmuxerutil.cc.o -c /build/reproducible-path/libwebm-1.0.0.31/mkvmuxer/mkvmuxerutil.cc
[ 23%] Building CXX object CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvwriter.cc.o
/usr/bin/c++ -I/build/reproducible-path/libwebm-1.0.0.31 -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser -I/build/reproducible-path/libwebm-1.0.0.31/webm_parser/include -I/googlemock/include -std=c++14 -g -ffile-prefix-map=/build/reproducible-path/libwebm-1.0.0.31=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -O3 -fPIC -pie -Wdate-time -D_FORTIFY_SOURCE=2 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Wall -Wc++14-compat -Wc++17-compat -Wc++20-compat -Wextra -Wnarrowing -Wno-deprecated -fPIC -MD -MT CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvwriter.cc.o -MF CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvwriter.cc.o.d -o CMakeFiles/mkvmuxer.dir/mkvmuxer/mkvwriter.cc.o -c /build/reproducible-path/libwebm-1.0.0.31/mkvmuxer/mkvwriter.cc
make[3]: Leaving directory '/build/reproducible-path/libwebm-1.0.0.31/obj-x86_64-linux-gnu'
[ 23%] Built target mkvmuxer
make[3]: Leaving directory '/build/reproducible-path/libwebm-1.0.0.31/obj-x86_64-linux-gnu'
[ 23%] Built target webm_parser
make[2]: Leaving directory '/build/reproducible-path/libwebm-1.0.0.31/obj-x86_64-linux-gnu'
make[1]: *** [Makefile:139: all] Error 2
make[1]: Leaving directory '/build/reproducible-path/libwebm-1.0.0.31/obj-x86_64-linux-gnu'
dh_auto_build: error: cd obj-x86_64-linux-gnu && make -j8 "INSTALL=install --strip-program=true" VERBOSE=1 returned exit code 2
make: *** [debian/rules:22: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
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