m4 ChangeLog NEWS m4/gnulib-cache.m4 src/builti... [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      06/08/18 23:11:37

Modified files:
        .              : ChangeLog NEWS 
        m4             : gnulib-cache.m4 
        src            : builtin.c debug.c m4.h output.c path.c 

Log message:
        Don't let unrelated child processes see too many files.
        * m4/gnulib-cache.m4: Augment with gnulib-tool --import cloexec.
        * src/builtin.c (m4_esyscmd, m4_regexp, m4_patsubst): Fix
        spelling in error message.
        * src/debug.c [!__STDC__]: Assume C89, and nuke old varargs.h.
        (debug_set_output): Close debug file on exec.
        * src/m4.h (includes): Add cloexec.h.
        * src/output.c (make_room_for): Close diversions on exec.
        * src/path.c (path_search): Close include files on exec.
        * NEWS: Document this.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.160&r2=1.1.1.1.2.161
http://cvs.savannah.gnu.org/viewcvs/m4/NEWS?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.54&r2=1.1.1.1.2.55
http://cvs.savannah.gnu.org/viewcvs/m4/m4/gnulib-cache.m4?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.2.11&r2=1.1.2.12
http://cvs.savannah.gnu.org/viewcvs/m4/src/builtin.c?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.35&r2=1.1.1.1.2.36
http://cvs.savannah.gnu.org/viewcvs/m4/src/debug.c?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.7&r2=1.1.1.1.2.8
http://cvs.savannah.gnu.org/viewcvs/m4/src/m4.h?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.27&r2=1.1.1.1.2.28
http://cvs.savannah.gnu.org/viewcvs/m4/src/output.c?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.9&r2=1.1.1.1.2.10
http://cvs.savannah.gnu.org/viewcvs/m4/src/path.c?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.8&r2=1.1.1.1.2.9