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m4 ChangeLog configure.ac modules/gnu.c modules...

Subject: m4 ChangeLog configure.ac modules/gnu.c modules...
From: Eric Blake
Date: Mon, 21 Aug 2006 12:46:24 +0000
CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      06/08/21 12:46:24

Modified files:
        .              : ChangeLog configure.ac 
        modules        : gnu.c m4.c 

Log message:
        * configure.ac (AC_CHECK_HEADERS_ONCE): Check for <sys/wait.h>.
        * modules/gnu.c (esyscmd): Use -1 for failure.  Set sysval to 0
        when no arguments are given, but without losing warning about 0
        arguments.
        * modules/m4.c (syscmd): Likewise.
        (includes): Assume C89.
        (m4_sysval): Make static.
        (M4_SYSVAL_EXITBITS, M4_SYSVAL_TERMSIGBITS): New macros.
        (sysval): Port calculation from branch.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&r1=1.356&r2=1.357
http://cvs.savannah.gnu.org/viewcvs/m4/configure.ac?cvsroot=m4&r1=1.52&r2=1.53
http://cvs.savannah.gnu.org/viewcvs/m4/modules/gnu.c?cvsroot=m4&r1=1.48&r2=1.49
http://cvs.savannah.gnu.org/viewcvs/m4/modules/m4.c?cvsroot=m4&r1=1.64&r2=1.65


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