master updated (2c79a8f -> ecf84a2)

[Eli Zaretskii]

eliz pushed a change to branch master.

      from  2c79a8f   Use posix_spawn if possible.
       new  e387371   Revert "Use posix_spawn if possible."
       new  ecf84a2   Revert "Import posix_spawn from Gnulib."


Summary of changes:
 .gitignore                         |   2 -
 admin/merge-gnulib                 |   9 +-
 lib/gnulib.mk.in                   | 302 ------------
 lib/sched.in.h                     |  99 ----
 lib/spawn.c                        |  34 --
 lib/spawn.in.h                     | 974 -------------------------------------
 lib/spawn_faction_addchdir.c       |  70 ---
 lib/spawn_faction_adddup2.c        |  70 ---
 lib/spawn_faction_destroy.c        |  61 ---
 lib/spawn_faction_init.c           |  56 ---
 lib/spawn_int.h                    |  72 ---
 lib/spawnattr_destroy.c            |  28 --
 lib/spawnattr_init.c               |  33 --
 lib/spawnattr_setdefault.c         |  33 --
 lib/spawnattr_setflags.c           |  45 --
 lib/spawnattr_setpgroup.c          |  32 --
 lib/spawnattr_setsigmask.c         |  33 --
 lib/spawni.c                       | 349 -------------
 lib/strchrnul.c                    | 142 ------
 lib/strchrnul.valgrind             |  28 --
 m4/gnulib-comp.m4                  | 144 ------
 m4/posix_spawn.m4                  | 678 --------------------------
 m4/posix_spawn_faction_addchdir.m4 |  20 -
 m4/sched_h.m4                      |  91 ----
 m4/sh-filename.m4                  |  22 -
 m4/spawn_h.m4                      | 136 ------
 m4/strchrnul.m4                    |  50 --
 src/Makefile.in                    |   4 +-
 src/callproc.c                     | 148 +-----
 29 files changed, 3 insertions(+), 3762 deletions(-)
 delete mode 100644 lib/sched.in.h
 delete mode 100644 lib/spawn.c
 delete mode 100644 lib/spawn.in.h
 delete mode 100644 lib/spawn_faction_addchdir.c
 delete mode 100644 lib/spawn_faction_adddup2.c
 delete mode 100644 lib/spawn_faction_destroy.c
 delete mode 100644 lib/spawn_faction_init.c
 delete mode 100644 lib/spawn_int.h
 delete mode 100644 lib/spawnattr_destroy.c
 delete mode 100644 lib/spawnattr_init.c
 delete mode 100644 lib/spawnattr_setdefault.c
 delete mode 100644 lib/spawnattr_setflags.c
 delete mode 100644 lib/spawnattr_setpgroup.c
 delete mode 100644 lib/spawnattr_setsigmask.c
 delete mode 100644 lib/spawni.c
 delete mode 100644 lib/strchrnul.c
 delete mode 100644 lib/strchrnul.valgrind
 delete mode 100644 m4/posix_spawn.m4
 delete mode 100644 m4/posix_spawn_faction_addchdir.m4
 delete mode 100644 m4/sched_h.m4
 delete mode 100644 m4/sh-filename.m4
 delete mode 100644 m4/spawn_h.m4
 delete mode 100644 m4/strchrnul.m4