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Help wanted debugging build failure



Hi,

yesterday I uploaded linux-gpib-user to unstable and it builds fine, however on sh4 it fails like this when linking the ibtest binary:

/bin/bash ../libtool --tag=CC --mode=link gcc -I../include -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -specs=/usr/share/dpkg/pie-compile.specs -fstack-protector-strong -Wformat -Werror=format-security -Wall -pedantic -specs=/usr/share/dpkg/pie-link.specs -Wl,-z,relro -Wl,-z,now -o slave_write_from_file slave_write_from_file-slave_write_from_file.o ../lib/libgpib.la -lpthread libtool: link: gcc -I../include -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -specs=/usr/share/dpkg/pie-compile.specs -fstack-protector-strong -Wformat -Werror=format-security -Wall -pedantic -specs=/usr/share/dpkg/pie-link.specs -Wl,-z -Wl,relro -Wl,-z -Wl,now -o .libs/slave_write_from_file slave_write_from_file-slave_write_from_file.o ../lib/.libs/libgpib.so -lpthread
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
gcc: internal compiler error: Segmentation fault signal termi

nated program cc1
Please submit a full bug report, with preprocessed source (by using -freport-bug).

See <file:///usr/share/doc/gcc-15/README.Bugs> for instructions.

make[3]: *** [Makefile:605: ibtest-ibtest.o] Error 4


To me this looks like qemu segfaulting because of a gcc bug. How would I go about debugging this?


best,

werdahias

PS: not subscribed so please CC me

PPS: Full log at https://buildd.debian.org/status/fetch.php?pkg=linux-gpib-user&arch=sh4&ver=4.3.6-2&stamp=1759502080&raw=0

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