Bug#1119113: armci-mpi: fails to build with gcc-15: conflicting types for ‘finalize_arrays’

[Drew Parsons]

Source: armci-mpi
Version: 0.4-7
Severity: serious
Tags: ftbfs
Justification: FTBFS
Control: forwarded -1 https://github.com/pmodels/armci-mpi/issues/57

armci-mpi (0.4) is failing to build with gcc-15 (C23 standard):

mpicc.openmpi -DHAVE_CONFIG_H -I. -I./src  -I./src -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/armci-mpi-0.4=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection   -c -o tests/contrib/cg/cg.o tests/contrib/cg/cg.c
tests/contrib/cg/cg.c:146:6: error: conflicting types for ‘finalize_arrays’; have ‘void(int)’
  146 | void finalize_arrays(int dpc)
      |      ^~~~~~~~~~~~~~~
tests/contrib/cg/cg.c:25:6: note: previous declaration of ‘finalize_arrays’ with type ‘void(void)’
   25 | void finalize_arrays();
      |      ^~~~~~~~~~~~~~~
make[3]: *** [Makefile:1775: tests/contrib/cg/cg.o] Error 1

Full log at https://buildd.debian.org/status/fetch.php?pkg=armci-mpi&arch=amd64&ver=0.4-7&stamp=1761522189&raw=0


-- System Information:
Debian Release: forky/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.16.12+deb14+1-amd64 (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN, TAINT_OOT_MODULE
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE=en_AU:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled