Bug#1065757: openssh-sha1: FTBFS on arm{el,hf}: conftest.c:88:2: error: implicit declaration of function 'exit' [-Werror=implicit-function-declaration]

Source: openssh-ssh1
Version: 1:7.5p1-15
Severity: serious
Tags: ftbfs
Justification: fails to build from source (but built successfully in the past)
X-Debbugs-Cc: [email protected]

https://buildd.debian.org/status/fetch.php?pkg=openssh-ssh1&arch=armhf&ver=1%3A7.5p1-15%2Bb1&stamp=1709993180&raw=0

configure:9290: gcc -o conftest -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -Wall -Wpointer-arith -Wuninitialized -Wsign-compare -Wformat-security -Wsizeof-pointer-memaccess -Wno-pointer-sign -Wno-unused-result -fno-strict-aliasing -D_FORTIFY_SOURCE=2 -ftrapv -fno-builtin-memset -fstack-protector-strong -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DSSH_EXTRAVERSION=\"Debian-15+b1\" -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE -D_DEFAULT_SOURCE -Wl,-z,relro -Wl,-z,now -Wl,-z,relro -Wl,-z,now -Wl,-z,noexecstack -fstack-protector-strong -Wl,--as-needed -Wl,-z,relro -Wl,-z,now conftest.c  >&5
<command-line>: warning: missing terminating " character
conftest.c: In function 'main':
conftest.c:88:2: error: implicit declaration of function 'exit' [-Werror=implicit-function-declaration]
   88 |  exit(0);
      |  ^~~~
conftest.c:85:1: note: include '<stdlib.h>' or provide a declaration of 'exit'
   84 |  #include <stdio.h>
  +++ |+#include <stdlib.h>
   85 | int
conftest.c:88:2: warning: incompatible implicit declaration of built-in function 'exit' [-Wbuiltin-declaration-mismatch]
   88 |  exit(0);
      |  ^~~~
conftest.c:88:2: note: include '<stdlib.h>' or provide a declaration of 'exit'
cc1: some warnings being treated as errors
configure:9290: $? = 1
configure: program exited with status 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "OpenSSH"
| #define PACKAGE_TARNAME "openssh"
| #define PACKAGE_VERSION "Portable"
| #define PACKAGE_STRING "OpenSSH Portable"
| #define PACKAGE_BUGREPORT "[email protected]"
| #define PACKAGE_URL ""
| #define HAVE_STDIO_H 1
| #define HAVE_STDLIB_H 1
| #define HAVE_STRING_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_STRINGS_H 1
| #define HAVE_SYS_STAT_H 1
| #define HAVE_SYS_TYPES_H 1
| #define HAVE_UNISTD_H 1
| #define STDC_HEADERS 1
| #define _PATH_PASSWD_PROG "/usr/bin/passwd"
| #define HAVE_RLIMIT_NPROC /**/
| #define WITH_OPENSSL 1
| #define WITH_SSH1 1
| #define HAVE_ATTRIBUTE__NONNULL__ 1
| #define HAVE_CRYPT_H 1
| #define HAVE_DIRENT_H 1
| #define HAVE_ENDIAN_H 1
| #define HAVE_ELF_H 1
| #define HAVE_ERR_H 1
| #define HAVE_FEATURES_H 1
| #define HAVE_FCNTL_H 1
| #define HAVE_GETOPT_H 1
| #define HAVE_GLOB_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_LANGINFO_H 1
| #define HAVE_LIMITS_H 1
| #define HAVE_LOCALE_H 1
| #define HAVE_NETDB_H 1
| #define HAVE_PATHS_H 1
| #define HAVE_POLL_H 1
| #define HAVE_PTY_H 1
| #define HAVE_SECURITY_PAM_APPL_H 1
| #define HAVE_SHADOW_H 1
| #define HAVE_STDDEF_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_STRING_H 1
| #define HAVE_STRINGS_H 1
| #define HAVE_SYS_BITYPES_H 1
| #define HAVE_SYS_CDEFS_H 1
| #define HAVE_SYS_DIR_H 1
| #define HAVE_SYS_MMAN_H 1
| #define HAVE_SYS_POLL_H 1
| #define HAVE_SYS_PRCTL_H 1
| #define HAVE_SYS_PTRACE_H 1
| #define HAVE_SYS_SELECT_H 1
| #define HAVE_SYS_STAT_H 1
| #define HAVE_SYS_STATVFS_H 1
| #define HAVE_SYS_SYSMACROS_H 1
| #define HAVE_SYS_TIME_H 1
| #define HAVE_TIME_H 1
| #define HAVE_TTYENT_H 1
| #define HAVE_UNISTD_H 1
| #define HAVE_UTIME_H 1
| #define HAVE_UTMP_H 1
| #define HAVE_UTMPX_H 1
| #define HAVE_WCHAR_H 1
| #define HAVE_LASTLOG_H 1
| #define HAVE_SYS_MOUNT_H 1
| #define HAVE_SYS_UN_H 1
| #define PAM_TTY_KLUDGE 1
| #define LOCKED_PASSWD_PREFIX "!"
| #define SPT_TYPE SPT_REUSEARGV
| #define LINK_OPNOTSUPP_ERRNO EPERM
| #define _PATH_BTMP "/var/log/btmp"
| #define USE_BTMP 1
| #define LINUX_OOM_ADJUST 1
| #define HAVE_LINUX_IF_TUN_H 1
| #define SSH_TUN_LINUX 1
| #define SSH_TUN_COMPAT_AF 1
| #define SSH_TUN_PREPEND_AF 1
| #define HAVE_LINUX_SECCOMP_H 1
| #define HAVE_LINUX_FILTER_H 1
| #define HAVE_LINUX_AUDIT_H 1
| #define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARM
| /* end confdefs.h.  */
|  #include <stdio.h>
| int
| main (void)
| {
|  exit(0);
|   ;
|   return 0;
| }
configure:9296: result: no
configure:9298: error: *** compiler cannot create working executables, check config.log ***


Cheers
-- 
Sebastian Ramacher