Source: gcc-16
Version: 16.2.0-1
Severity: normal
Tags: ftbfs
X-Debbugs-Cc: [email protected]
User: [email protected]
Usertags: x32

Hi,

subversion currently FTBFS with gcc-16 on x32 because the compiler can't find 
<iostream>:

libtool: compile:  x86_64-linux-gnux32-gcc -fPIC 
-DSVN_SQLITE_MIN_VERSION_NUMBER=3008007 -DSVN_SQLITE_MIN_VERSION=\"3.8.7\" \
-g -O2 -Werror=implicit-function-declaration 
-ffile-prefix-map=/build/reproducible-path/subversion-1.14.5=. \
-fstack-protector-strong -Wformat -Werror=format-security -fcf-protection 
-std=gnu17 -D_LARGEFILE_SOURCE \
-D_FILE_OFFSET_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DLINUX -D_REENTRANT 
-D_GNU_SOURCE -DQT_DBUS_LIB -DQT_GUI_LIB \
-DQT_CORE_LIB -I/build/reproducible-path/subversion-1.14.5/BUILD/subversion \
-I/build/reproducible-path/subversion-1.14.5/BUILD/../subversion/include \
-I/build/reproducible-path/subversion-1.14.5/BUILD/../subversion/bindings/swig \
-I/build/reproducible-path/subversion-1.14.5/BUILD/../subversion/bindings/swig/include
 \
-I/build/reproducible-path/subversion-1.14.5/BUILD/../subversion/bindings/swig/proxy
 \
-I/build/reproducible-path/subversion-1.14.5/BUILD/subversion/bindings/swig/proxy
 \
-I/usr/include/apr-1.0 -I/usr/include/apr-1.0 -I/usr/include 
-I/usr/include/python3.13 -I/usr/include/python3.13 \
-I/build/reproducible-path/subversion-1.14.5/BUILD/../subversion/bindings/swig/python/libsvn_swig_py
 \
-c subversion/bindings/swig/python/svn_client.c  -fPIC -DPIC -o 
subversion/bindings/swig/python/.libs/svn_client.o
subversion/bindings/swig/python/svn_client.c:3445:10: fatal error: iostream: No 
such file or directory
 3445 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.

Switching the default compiler back to gcc-15 fixes the problem, so it's a 
regression with gcc-16.

Adrian

> [1] 
> https://buildd.debian.org/status/fetch.php?pkg=subversion&arch=x32&ver=1.14.5-6%2Bb1&stamp=1786692259&raw=0

--
 .''`.  John Paul Adrian Glaubitz
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