autoconf/lib/autoconf headers.m4

[Paul Eggert]

CVSROOT:        /cvsroot/autoconf
Module name:    autoconf
Changes by:     Paul Eggert <address@hidden>    02/10/11 19:52:06

Modified files:
        lib/autoconf   : headers.m4 

Log message:
        No longer use CPP to check for the existing of headers: use CC to
        check for compilability.
        
        (_AC_CHECK_HEADER_MONGREL, AC_CHECK_HEADER, _AC_CHECK_HEADER_OLD): 
Remove.
        (_AC_CHECK_HEADER_NEW): Rename as...
        (AC_CHECK_HEADER): this.

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/autoconf/autoconf/lib/autoconf/headers.m4.diff?tr1=1.22&tr2=1.23&r1=text&r2=text