[MacPorts] #68659: mips-elf-gcc @3.4.6_0: fails to build due to implicit declaration of abort()

[MacPorts]

#68659: mips-elf-gcc @3.4.6_0: fails to build due to implicit declaration of
abort()
----------------------+--------------------
 Reporter:  nneonneo  |      Owner:  (none)
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.8.1
 Keywords:            |       Port:
----------------------+--------------------
 mips-elf-gcc fails to build on macOS 13.6.1 (Xcode 15.0.1), x86-64. The
 problem is an implicit declaration of abort:

 {{{
 In file included from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_cross_mips-elf-gcc/mips-elf-
 gcc/work/gcc-3.4.6/libiberty/regex.c:649:
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_cross_mips-elf-gcc/mips-elf-
 gcc/work/gcc-3.4.6/libiberty/regex.c:4898:11: error: call to undeclared
 library function 'abort' with type 'void (void)
 __attribute__((noreturn))'; ISO C99 and later do not support implicit
 function declarations [-Wimplicit-function-declaration]
           abort (); /* We have listed all the cases.  */
           ^
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_cross_mips-elf-gcc/mips-elf-
 gcc/work/gcc-3.4.6/libiberty/regex.c:4898:11: note: include the header
 <stdlib.h> or explicitly provide a declaration for 'abort'
 }}}

 The header stdlib.h is not being included because STDC_HEADERS is not
 defined, and abort is not prototyped for some reason.

 Easy fix is probably to just add a prototype for abort(), or to define
 STDC_HEADERS in config.h.

 Full build log attached.

-- 
Ticket URL: <https://trac.macports.org/ticket/68659>
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