patch for a new function $(md5 )

[Pierre Lindenbaum]

Hi all,

I hope it's the right place to propose a patch. (I tried to register an 
account on https://savannah.gnu.org/account/register.php but I cannot 
beyond that page due to http://savannah.gnu.org/support/?108658 )

find in attachement a patch for a function ($md5 )  that compute the md5 
checksum string of the arguments.
It can be used to create filenames.
My sources are also available at https://github.com/lindenb/make/compare/md5
I've added a test, two sources md5.c and md5.h, updated the manual, 
Makefile.am, ...
The original MD5 code comes from 
http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/lxr/source/src/util/md5.cpp 
released in the public domain.

$ cat Makefile
SRC=file.c load.c
$(md5 ${SRC}): ${SRC}
    echo $@

$ make
echo 6102b17725943449a8a77bf6cf05e023
6102b17725943449a8a77bf6cf05e023

$ echo -n "file.c load.c" | md5sum
6102b17725943449a8a77bf6cf05e023  -

Pierre L

md5.patch
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