diff --git a/README.md b/README.md
index cba2952..8f852e5 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # rcs
 
+The Revision Control System (RCS) manages multiple revisions of files.
+RCS automates the storing, retrieval, logging, identification, and merging of revisions. RCS is useful for text that is revised frequently,
+including source code, programs, documentation, graphics, papers, and form letters.
+
diff --git a/rcs-5.7-DESTDIR.patch b/rcs-5.7-DESTDIR.patch
new file mode 100644
index 0000000..b02c7ea
--- /dev/null
+++ b/rcs-5.7-DESTDIR.patch
@@ -0,0 +1,44 @@
+diff -up rcs-5.7/man/Makefile.in~ rcs-5.7/man/Makefile.in
+--- rcs-5.7/man/Makefile.in~	2009-06-23 00:06:19.000000000 +0300
++++ rcs-5.7/man/Makefile.in	2009-06-23 00:08:06.000000000 +0300
+@@ -49,17 +49,17 @@ rcsfile.5 : rcsfile.5in
+ check dvi info TAGS ::
+ 
+ installdirs :: ../mkinstalldirs
+-	-$(srcdir)/../mkinstalldirs $(man1dir) $(man5dir)
++	-$(srcdir)/../mkinstalldirs $(DESTDIR)$(man1dir) $(DESTDIR)$(man5dir)
+ 
+ man1pages = ci co ident merge rcs rcsclean rcsdiff rcsintro rcsmerge rlog \
+ 		rcsfreeze
+ 
+ install :: installdirs
+ 	-for m in $(man1pages); do \
+-		$(INSTALL_DATA) $(srcdir)/$$m.1 $(man1dir)/$$m$(man1ext); \
++		$(INSTALL_DATA) $(srcdir)/$$m.1 $(DESTDIR)$(man1dir)/$$m$(man1ext); \
+ 	done
+ 	-{ test -f rcsfile.5 || cd $(srcdir); } && \
+-	$(INSTALL_DATA) rcsfile.5 $(man5dir)/rcsfile$(man5ext)
++	$(INSTALL_DATA) rcsfile.5 $(DESTDIR)$(man5dir)/rcsfile$(man5ext)
+ 
+ uninstall ::
+ 	for m in $(man1pages); do \
+diff -up rcs-5.7/src/Makefile.in~ rcs-5.7/src/Makefile.in
+--- rcs-5.7/src/Makefile.in~	2009-06-23 00:06:19.000000000 +0300
++++ rcs-5.7/src/Makefile.in	2009-06-23 00:07:29.000000000 +0300
+@@ -110,13 +110,13 @@ all :: $(PROGRAMS)
+ 	$(CC) -c $(ALL_CFLAGS) $<
+ 
+ installdirs :: ../mkinstalldirs
+-	$(srcdir)/../mkinstalldirs $(bindir)
++	$(srcdir)/../mkinstalldirs $(DESTDIR)$(bindir)
+ 
+ install :: all installdirs
+ 	for p in $(PROGRAMS); do \
+-	  $(INSTALL_PROGRAM) $$p $(bindir)/$$p; \
++	  $(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/$$p; \
+ 	done
+-	$(INSTALL_PROGRAM) rcsfreeze.sh $(bindir)/rcsfreeze
++	$(INSTALL_PROGRAM) rcsfreeze.sh $(DESTDIR)$(bindir)/rcsfreeze
+ 
+ uninstall ::
+ 	for p in $(PROGRAMS); do \
diff --git a/rcs-5.7-build-tweaks.patch b/rcs-5.7-build-tweaks.patch
new file mode 100644
index 0000000..1e18996
--- /dev/null
+++ b/rcs-5.7-build-tweaks.patch
@@ -0,0 +1,114 @@
+From 2a814cf24019073a05f64c306a39b3202efe40ab Mon Sep 17 00:00:00 2001
+From: Romain Francoise <rfrancoise@debian.org>
+Date: Sun, 23 Mar 2008 00:57:09 +0100
+Subject: [PATCH] Various build tweaks
+
+Including:
+- allow building as root
+- install rcsfreeze and its man page
+- pass CFLAGS properly
+- install man pages in /usr/share/man
+- tweak default PATH when looking for sendmail
+---
+ configure.in    |    2 +-
+ man/Makefile.in |    7 ++++---
+ src/Makefile.in |    6 ++++--
+ src/conf.sh     |   11 -----------
+ 4 files changed, 9 insertions(+), 17 deletions(-)
+
+diff --git a/configure.in b/configure.in
+index b6dd5d2..3c6aed3 100644
+--- a/configure.in
++++ b/configure.in
+@@ -243,7 +243,7 @@ rm -f conftest*
+ AC_PATH_PROG(ED, ed, ed)
+ 
+ ac_save_path=$PATH
+-PATH=/usr/lib:/usr/bin:/bin:/usr/sbin:/sbin:$PATH
++PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/lib:$PATH
+ AC_PATH_PROGS(SENDMAIL, sendmail mail mailx)
+ PATH=$ac_save_path
+ case $SENDMAIL in
+diff --git a/man/Makefile.in b/man/Makefile.in
+index 8ff25df..ffc8c7c 100644
+--- a/man/Makefile.in
++++ b/man/Makefile.in
+@@ -34,8 +34,8 @@ INSTALL_DATA = @INSTALL_DATA@
+ PIC = @PIC@
+ 
+ prefix = @prefix@
+-man1dir = $(prefix)/man/man1
+-man5dir = $(prefix)/man/man5
++man1dir = $(prefix)/share/man/man1
++man5dir = $(prefix)/share/man/man5
+ man1ext = .1
+ man5ext = .5
+ 
+@@ -51,7 +51,8 @@ check dvi info TAGS ::
+ installdirs :: ../mkinstalldirs
+ 	-$(srcdir)/../mkinstalldirs $(man1dir) $(man5dir)
+ 
+-man1pages = ci co ident merge rcs rcsclean rcsdiff rcsintro rcsmerge rlog
++man1pages = ci co ident merge rcs rcsclean rcsdiff rcsintro rcsmerge rlog \
++		rcsfreeze
+ 
+ install :: installdirs
+ 	-for m in $(man1pages); do \
+diff --git a/src/Makefile.in b/src/Makefile.in
+index c27af21..5bc2147 100644
+--- a/src/Makefile.in
++++ b/src/Makefile.in
+@@ -116,16 +116,18 @@ install :: all installdirs
+ 	for p in $(PROGRAMS); do \
+ 	  $(INSTALL_PROGRAM) $$p $(bindir)/$$p; \
+ 	done
++	$(INSTALL_PROGRAM) rcsfreeze.sh $(bindir)/rcsfreeze
+ 
+ uninstall ::
+ 	for p in $(PROGRAMS); do \
+ 	  $(REMOVE) $(bindir)/$$p; \
+ 	done
++	$(REMOVE) $(bindir)/rcsfreeze
+ 
+ # Install RCS and (if applicable) GNU diff before running these tests.
+ # To test RCS before installing it, see the file INSTALL.RCS.
+ RCSTEST = \
+-	ALL_CFLAGS='$(ALL_CFLAGS)' CC='$(CC)' DIFF='$(DIFF)' \
++	ALL_CFLAGS="$(ALL_CFLAGS)" CC='$(CC)' DIFF='$(DIFF)' \
+ 	LDFLAGS='$(LDFLAGS)' LIBS='$(LIBS)' \
+ 	PATH=$(bindir):$$PATH \
+ 	sh $(srcdir)/rcstest
+@@ -153,7 +155,7 @@ maintainer-clean :: distclean
+ #(Unix
+ conf.h : conf.sh Makefile
+ 	$(REMOVE) a.*
+-	ALL_CFLAGS='$(ALL_CFLAGS)' \
++	ALL_CFLAGS="$(ALL_CFLAGS)" \
+ 	CC='$(CC)' \
+ 	COMPAT2='$(COMPAT2)' \
+ 	DIFF3='$(DIFF3)' DIFF3_BIN='$(DIFF3_BIN)' \
+diff --git a/src/conf.sh b/src/conf.sh
+index c9bf0b3..b28a504 100644
+--- a/src/conf.sh
++++ b/src/conf.sh
+@@ -73,17 +73,6 @@ case `echo -n` in
+ 	ech='echo -n' dots='... '
+ esac
+ 
+-$ech >&3 "$0: testing permissions $dots"
+-rm -f a.d &&
+-date >a.d &&
+-chmod 0 a.d &&
+-{ test -w a.d || cp /dev/null a.d 2>/dev/null; } && {
+-	echo >&3 "$n$0: This command should not be run with superuser permissions."
+-	exit 1
+-}
+-echo >&3 OK
+-rm -f a.d || exit
+-
+ $ech >&3 "$0: testing compiler for plausibility $dots"
+ echo 'main() { return 0; }' >a.c
+ rm -f a.exe a.out || exit
+-- 
+1.6.3.2.306.g4f4fa
+
diff --git a/rcs-5.7-newsvnsyntax.patch b/rcs-5.7-newsvnsyntax.patch
new file mode 100644
index 0000000..71229bd
--- /dev/null
+++ b/rcs-5.7-newsvnsyntax.patch
@@ -0,0 +1,37 @@
+diff -rup rcs-5.7/src/ident.c rcs-5.7mzk/src/ident.c
+--- rcs-5.7/src/ident.c	1995-06-16 08:19:24.000000000 +0200
++++ rcs-5.7mzk/src/ident.c	2007-07-17 15:23:15.000000000 +0200
+@@ -228,12 +228,18 @@ match(fp)   /* group substring between t
+    char line[BUFSIZ];
+    register int c;
+    register char * tp;
++   int COLON_C = 0;
++   int MAX_COLON = 1;
+ 
+    tp = line;
+-   while ((c = getc(fp)) != VDELIM) {
++   while ((c = getc(fp)) && (COLON_C < MAX_COLON)) {
+       if (c == EOF  &&  feof(fp) | ferror(fp))
+ 	 return c;
+       switch (ctab[c]) {
++     case COLON:
++                *tp++ = c;
++                COLON_C++;
++                break;
+ 	 case LETTER: case Letter:
+ 	    *tp++ = c;
+ 	    if (tp < line+sizeof(line)-4)
+@@ -245,7 +251,12 @@ match(fp)   /* group substring between t
+    }
+    if (tp == line)
+       return c;
+-   *tp++ = c;
++      if(c == ' '){
++          ungetc(c,fp);
++      }
++      else{
++          *tp++ = c;
++      }
+    if ((c = getc(fp)) != ' ')
+       return c ? c : '\n';
+    *tp++ = c;
diff --git a/rcs-5.7-option.patch b/rcs-5.7-option.patch
new file mode 100644
index 0000000..0804939
--- /dev/null
+++ b/rcs-5.7-option.patch
@@ -0,0 +1,11 @@
+--- rcs-5.7/src/rcsdiff.c.option	1995-06-16 08:19:24.000000000 +0200
++++ rcs-5.7/src/rcsdiff.c	2005-10-10 15:10:49.000000000 +0200
+@@ -239,7 +239,7 @@
+ 	    case '5': case '6': case '7': case '8': case '9':
+ 	    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
+ 	    case 'h': case 'i': case 'n': case 'p':
+-	    case 't': case 'u': case 'w':
++	    case 't': case 'u': case 'U': case 'w':
+ 		    *dcp++ = c;
+ 		    break;
+ 	    case 'q':
diff --git a/rcs-5.7-sameuserlocks.patch b/rcs-5.7-sameuserlocks.patch
new file mode 100644
index 0000000..cc6f96f
--- /dev/null
+++ b/rcs-5.7-sameuserlocks.patch
@@ -0,0 +1,124 @@
+--- rcs-5.7/man/co.1.orig	2003-10-24 13:56:53.000000000 -0400
++++ rcs-5.7/man/co.1	2003-10-24 13:59:22.000000000 -0400
+@@ -324,6 +324,10 @@
+ retrieves the latest revision on the selected branch whose state is set to
+ .IR state .
+ .TP
++.BI \-S
++Turns on same user locks.  When this is enabled the user cannot check out
++the same file twice.
++.TP
+ .B \-T
+ Preserve the modification time on the \*r file
+ even if the \*r file changes because a lock is added or removed.
+--- rcs-5.7/src/rcsedit.c.orig	2003-10-24 12:34:57.000000000 -0400
++++ rcs-5.7/src/rcsedit.c	2003-10-24 13:51:14.000000000 -0400
+@@ -1708,9 +1708,10 @@
+ }
+ 
+ 	int
+-addlock(delta, verbose)
++addlock(delta, verbose, sameuserlocks)
+ 	struct hshentry * delta;
+ 	int verbose;
++	int sameuserlocks;
+ /*
+  * Add a lock held by caller to DELTA and yield 1 if successful.
+  * Print an error message if verbose and yield -1 if no lock is added because
+@@ -1722,9 +1723,10 @@
+ 
+ 	for (next = Locks;  next;  next = next->nextlock)
+ 		if (cmpnum(delta->num, next->delta->num) == 0)
+-			if (strcmp(getcaller(), next->login) == 0)
++			if (strcmp(getcaller(), next->login) == 0 && !sameuserlocks)
+ 				return 0;
+-			else {
++			else { 
++		
+ 				if (verbose)
+ 				  rcserror("Revision %s is already locked by %s.",
+ 					delta->num, next->login
+--- rcs-5.7/src/ci.c.orig	2003-10-24 12:53:05.000000000 -0400
++++ rcs-5.7/src/ci.c	2003-10-24 13:50:36.000000000 -0400
+@@ -566,7 +566,7 @@
+ 	}
+ 
+ 
+-	if (lockflag  &&  addlock(&newdelta, true) < 0) continue;
++	if (lockflag  &&  addlock(&newdelta, true, false) < 0) continue;
+ 
+ 	if (keepflag && *prevname.string)
+ 	    if (addsymbol(newdelta.num, prevname.string, false)  <  0)
+--- rcs-5.7/src/rcsbase.h.orig	2003-10-24 12:55:50.000000000 -0400
++++ rcs-5.7/src/rcsbase.h	2003-10-24 12:56:06.000000000 -0400
+@@ -454,7 +454,7 @@
+ RILE *rcswriteopen P((struct buf*,struct stat*,int));
+ char const *makedirtemp P((int));
+ char const *getcaller P((void));
+-int addlock P((struct hshentry*,int));
++int addlock P((struct hshentry*,int,int));
+ int addsymbol P((char const*,char const*,int));
+ int checkaccesslist P((void));
+ int chnamemod P((FILE**,char const*,char const*,int,mode_t,time_t));
+--- rcs-5.7/src/co.c.orig	2003-10-24 13:20:49.000000000 -0400
++++ rcs-5.7/src/co.c	2003-10-24 13:49:20.000000000 -0400
+@@ -203,6 +203,7 @@
+ 	int changelock;  /* 1 if a lock has been changed, -1 if error */
+ 	int expmode, r, tostdout, workstatstat;
+ 	int Ttimeflag;
++	int sameuserlocks;
+ 	struct buf numericrev;	/* expanded revision number	*/
+ 	char finaldate[datesize];
+ #	if OPEN_O_BINARY
+@@ -217,6 +218,7 @@
+ 	suffixes = X_DEFAULT;
+ 	tostdout = false;
+ 	Ttimeflag = false;
++	sameuserlocks = false;	
+ 
+ 	argc = getRCSINIT(argc, argv, &newargv);
+ 	argv = newargv;
+@@ -286,12 +288,20 @@
+                         }
+                         break;
+ 
++		case 'S':
++			/* 
++			 *  Enable strict locks (i.e. even the same user cannot
++ 			 *  re-check out a file with a lock that he owns.
++			 */
++			sameuserlocks = true;
++			break;
++ 
+ 		case 'T':
+ 			if (*a)
+ 				goto unknown;
+ 			Ttimeflag = true;
+ 			break;
+-
++		
+                 case 'w':
+ 			if (author) redefined('w');
+ 			if (*a)
+@@ -417,7 +427,7 @@
+ 			: lockflag == 0 ?
+ 				0
+ 			:
+-				addlock(targetdelta, true);
++				addlock(targetdelta, true, sameuserlocks);
+ 
+ 		if (
+ 			changelock < 0
+--- rcs-5.7/src/rcs.c.orig	2003-10-24 13:51:39.000000000 -0400
++++ rcs-5.7/src/rcs.c	2003-10-24 13:53:39.000000000 -0400
+@@ -1437,8 +1437,8 @@
+ 			numrev.string
+ 		    );
+ 	       else {
+-		    if ((r = addlock(target, false)) < 0  &&  breaklock(target))
+-			r = addlock(target, true);
++		    if ((r = addlock(target, false, false)) < 0  &&  breaklock(target))
++			r = addlock(target, true, false);
+ 		    if (0 <= r) {
+ 			if (r)
+ 			    diagnose("%s locked\n", target->num);
diff --git a/rcs-5.7-security.patch b/rcs-5.7-security.patch
new file mode 100644
index 0000000..6091abe
--- /dev/null
+++ b/rcs-5.7-security.patch
@@ -0,0 +1,64 @@
+--- rcs-5.7/src/rcsfnms.c.security	Fri Jun 16 08:19:24 1995
++++ rcs-5.7/src/rcsfnms.c	Fri Jan  5 10:00:21 2001
+@@ -258,19 +258,57 @@
+ };
+ 
+ #if has_mktemp
++static char	tmppath[1024];
++
++	static void
++tmpcleanup()
++{
++	/* For now, assume that all temp files get
++	 * removed before we are invoked */
++	rmdir(tmppath);
++}
++
+ 	static char const *tmp P((void));
+ 	static char const *
+ tmp()
+ /* Yield the name of the tmp directory.  */
+ {
+-	static char const *s;
+-	if (!s
+-		&&  !(s = cgetenv("TMPDIR"))	/* Unix tradition */
++	const char	*s;
++
++	if (tmppath[0])
++		return tmppath;
++
++	if (!(s = cgetenv("TMPDIR"))		/* Unix tradition */
+ 		&&  !(s = cgetenv("TMP"))	/* DOS tradition */
+ 		&&  !(s = cgetenv("TEMP"))	/* another DOS tradition */
+ 	)
+ 		s = TMPDIR;
+-	return s;
++
++	if (strlen(s) > sizeof(tmppath) - 11)
++		s = TMPDIR;
++
++#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 2)
++	snprintf(tmppath, sizeof(tmppath), "%s/rcsXXXXXX", s);
++	if (!mkdtemp(tmppath) || !tmppath[0])
++		goto failed;
++#else
++	while (1) {
++		snprintf(tmppath, sizeof(tmppath), "%s/rcsXXXXXX", s);
++		if (!mktemp(tmppath) || !tmppath[0])
++			goto failed;
++		if (mkdir(tmppath, 0700) >= 0)
++			break;
++		if (errno != EEXIST)
++			goto failed;
++	}
++#endif
++
++	atexit(tmpcleanup);
++	return tmppath;
++
++failed:
++	perror("Unable to create temp directory");
++	exit(123);
+ }
+ #endif
+ 
diff --git a/rcs.spec b/rcs.spec
new file mode 100644
index 0000000..dc1e216
--- /dev/null
+++ b/rcs.spec
@@ -0,0 +1,118 @@
+Name:          rcs
+Version:       5.9.2
+Release:       1mamba
+Summary:       The GNU Revision Control System (RCS) file version management tools
+Group:         Development/Tools
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Automatic Build System <autodist@mambasoft.it>
+URL:           http://www.gnu.org/software/rcs/
+Source:        ftp://ftp.gnu.org/gnu/rcs/rcs-%{version}.tar.xz
+Patch0:        rcs-5.7-build-tweaks.patch
+Patch1:        rcs-5.7-security.patch
+Patch2:        rcs-5.7-sameuserlocks.patch
+Patch3:        rcs-5.7-option.patch
+Patch4:        rcs-5.7-newsvnsyntax.patch
+Patch5:        rcs-5.7-DESTDIR.patch
+License:       GPL
+BuildRequires: autoconf
+BuildRequires: ed
+BuildRequires: groff
+BuildRequires: ghostscript
+# TODO BuildRequires: sendmail
+Requires:      diffutils
+Requires(post):%{__install_info}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+The Revision Control System (RCS) manages multiple revisions of files.
+RCS automates the storing, retrieval, logging, identification, and merging of revisions. RCS is useful for text that is revised frequently,
+including source code, programs, documentation, graphics, papers, and form letters.
+
+%prep
+%setup -q
+#%patch0 -p1
+#%patch1 -p1
+#%patch2 -p1
+#%patch3 -p1
+#%patch4 -p1
+#%patch5 -p1
+#autoconf
+
+# https://lists.gnu.org/archive/html/grub-devel/2012-07/msg00051.html
+sed -i -e '/gets is a security/d' lib/stdio.in.h
+
+%build
+%configure \
+     --with-diffutils
+%make
+
+for f in rcs rcs_func ; do
+     groff -p -Tps -ms $f.ms | ps2pdf - $f.pdf
+done
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+#% check
+##sed -i -e 's|"%{_bindir}/co"|"co"|' src/conf.h
+#%make -C src
+#PATH="`pwd`/src:${PATH}" make installdebug
+##sed -i -e 's|"co"|"%{_bindir}/co"|' src/conf.h
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post
+%install_info %{name}
+exit 0
+
+%preun
+%uninstall_info %{name}
+exit 0
+
+%files
+%defattr(-,root,root)
+%{_bindir}/ci
+%{_bindir}/co
+%{_bindir}/ident
+%{_bindir}/merge
+%{_bindir}/rcs
+%{_bindir}/rcsclean
+%{_bindir}/rcsdiff
+#%{_bindir}/rcsfreeze
+%{_bindir}/rcsmerge
+%{_bindir}/rlog
+%{_infodir}/rcs.info*
+%{_mandir}/man1/*.1.gz
+%{_mandir}/man5/*.5.gz
+%doc COPYING
+# CREDITS
+#%doc ChangeLog NEWS
+#%doc README REFS rcs_func.pdf rcs.pdf
+
+%changelog
+* Sat Nov 30 2013 Automatic Build System <autodist@mambasoft.it> 5.9.2-1mamba
+- automatic version update by autodist
+
+* Fri Oct 04 2013 Automatic Build System <autodist@mambasoft.it> 5.9.1-1mamba
+- automatic update by autodist
+
+* Mon Jun 10 2013 Automatic Build System <autodist@mambasoft.it> 5.9.0-1mamba
+- update to 5.9.0
+
+* Fri Apr 05 2013 Automatic Build System <autodist@mambasoft.it> 5.8.2-1mamba
+- automatic version update by autodist
+
+* Sat Jan 26 2013 Automatic Build System <autodist@mambasoft.it> 5.8.1-1mamba
+- automatic version update by autodist
+
+* Mon Apr 23 2012 Automatic Build System <autodist@mambasoft.it> 5.8-1mamba
+- automatic version update by autodist
+
+* Thu Feb 24 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 5.7-2mamba
+- rebuilt in devel
+
+* Tue Oct 05 2010 gil <puntogil@libero.it> 5.7-1mamba
+- package created by autospec