GitLab

* configure.in (LIBS_SYSTEM): New output variable, replacing cpp.

* lib-src/Makefile.in (LIBS_SYSTEM) [!MSDOS]: Set with configure, not cpp.
(LIBS_SYSTEM) [MSDOS]: Use MSDOS_LIBS_SYSTEM.
(NOT_C_CODE): Remove, no longer used.
(config.h) [!MSDOS]: No longer include.
(LOADLIBES): Use LIBS_SYSTEM as a variable.

* src/Makefile.in (LIBS_SYSTEM): Set using configure, not cpp.
(LIBS_SYSTEM) [MSDOS]: Reset with MSDOS_LIBS_SYSTEM.
(LIBES): Use LIBS_SYSTEM as a variable.
* src/s/msdos.h (LIBS_SYSTEM): Rename to MSDOS_LIBS_SYSTEM.  Always define.
* src/s/aix4-2.h (LIBS_SYSTEM):
* src/s/freebsd.h (LIBS_SYSTEM):
* src/s/hpux10-20.h (LIBS_SYSTEM):
* src/s/sol2-6.h (LIBS_SYSTEM):
* src/s/unixware.h (LIBS_SYSTEM):
Move to configure.

* msdos/sed1v2.inp, msdos/sed3v2.inp (LIBS_SYSTEM): Edit to empty.

* s/usg5-4.h (POSIX_SIGNALS):
* s/netbsd.h (POSIX_SIGNALS):
* s/msdos.h (POSIX_SIGNALS):
* s/ms-w32.h (POSIX_SIGNALS):
* s/hpux11.h (POSIX_SIGNALS):
* s/gnu.h (POSIX_SIGNALS):
* s/gnu-linux.h (POSIX_SIGNALS):
* s/freebsd.h (POSIX_SIGNALS):
* s/darwin.h (POSIX_SIGNALS):
* s/cygwin.h (POSIX_SIGNALS):
* s/aix4-2.h (POSIX_SIGNALS): Remove definition.
* s/unixware.h:
* s/sol2-6.h: Remove comments on POSIX_SIGNALS.
* process.c (create_process):
* syssignal.h:
* sysdep.c (wait_for_termination, init_signals):
* process.c (create_process):
* msdos.c: POSIX_SIGNALS is always defined on all platforms,
remove all code that assumes the contrary.

* configure.in (LIBXTR6): New output variable.  Move unixware special
case here from src/s/unixware.h.

* src/Makefile.in (LIBXTR6): Set with configure, not cpp.
* src/s/unixware.h (NEED_LIBW): Remove definition.

* admin/CPP-DEFINES: Remove NEED_LIBW.

* configure.in (HAVE_MOTIF_2_1): Remove unused variable.
(LIBXP): No longer substitute in Makefiles.
(MOTIF_LIBW): New output variable.  Move system-specific settings here
from src/s files.

* src/Makefile.in (LIBXP): Remove, since included in MOTIF_LIBW.
(MOTIF_LIBW): Set with configure, not cpp.
* s/aix4-2.h (LIB_MOTIF):
* s/gnu-linux.h (LIB_MOTIF):
* s/unixware.h (LIB_MOTIF): Move to configure.in.

* admin/CPP-DEFINES: Remove LIB_MOTIF.

* m/intel386.h (CRT0_DUMMIES): Remove, inline value in the only
user: ecrt0.c.
(SOLARIS2): Remove LOAD_AVE_TYPE, LOAD_AVE_CVT, LIBS_MACHINE, unused.
(USG5_4): Move LOAD_AVE_TYPE, LOAD_AVE_CVT, FSCALE definitions to
the only user: s/unixware.h.
* ecrt0.c: Remove #ifndef static.  Inline CRT0_DUMMIES definition
from m/intel386.h.
* s/unixware.h (LOAD_AVE_TYPE, LOAD_AVE_CVT, FSCALE): Definitions
moved here from m/intel386.h.

* s/usg5-4.h (sigsetmask, PTY_TTY_NAME_SPRINTF): Do not define,
it's undefined in all files that include this one.
(POSIX_SIGNALS): Define here instead of doing it in all files that
include this one.
* s/irix6-5.h (sigsetmask, PTY_TTY_NAME_SPRINTF): Do not undef.
(POSIX_SIGNALS): Do not define.
* s/sol2-6.h (sigsetmask, PTY_TTY_NAME_SPRINTF): Do not undef.
(POSIX_SIGNALS): Do not define.
* s/unixware.h (sigsetmask, PTY_TTY_NAME_SPRINTF): Do not undef.
(POSIX_SIGNALS): Do not define.

* s/unixware.h: Add the contents of s/usg-5-4-2.h.
* s/usg-5-4-2.h: Remove.

* configure.in: Remove support for old UNIX System V systems and
for Unixware on non-x86 machines.