move scm srfi files to module/srfi, and compile them.

* .gitignore: Add gdb-pre-inst-guile.

* configure.in: Add module/srfi/Makefile.

* module/Makefile.am: Add srfi/.

* module/srfi/: SRFI scheme files moved here, and compiled.

* srfi/Makefile.am: Remove the bits about the scheme files.

module/srfi/srfi-60.scm

@@ -0,0 +1,72 @@
+;;; srfi-60.scm --- Integers as Bits
+
+;; Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+;;
+;; This library is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU Lesser General Public
+;; License as published by the Free Software Foundation; either
+;; version 2.1 of the License, or (at your option) any later version.
+;; 
+;; This library is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; Lesser General Public License for more details.
+;; 
+;; You should have received a copy of the GNU Lesser General Public
+;; License along with this library; if not, write to the Free Software
+;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+(define-module (srfi srfi-60)
+  #:export (bitwise-and
+	    bitwise-ior
+	    bitwise-xor
+	    bitwise-not
+	    any-bits-set?
+	    bit-count
+	    bitwise-if bitwise-merge
+	    log2-binary-factors first-set-bit
+	    bit-set?
+	    copy-bit
+	    bit-field
+	    copy-bit-field
+	    arithmetic-shift
+	    rotate-bit-field
+	    reverse-bit-field
+	    integer->list
+	    list->integer
+	    booleans->integer)
+  #:re-export (logand
+	       logior
+	       logxor
+	       integer-length
+	       logtest
+	       logcount
+	       logbit?
+	       ash))
+
+(load-extension "libguile-srfi-srfi-60-v-3" "scm_init_srfi_60")
+
+(define bitwise-and logand)
+(define bitwise-ior logior)
+(define bitwise-xor logxor)
+(define bitwise-not lognot)
+(define any-bits-set? logtest)
+(define bit-count logcount)
+
+(define (bitwise-if mask n0 n1)
+  (logior (logand mask n0)
+          (logand (lognot mask) n1)))
+(define bitwise-merge bitwise-if)
+
+(define first-set-bit log2-binary-factors)
+(define bit-set? logbit?)
+(define bit-field bit-extract)
+
+(define (copy-bit-field n newbits start end)
+  (logxor n (ash (logxor (bit-extract n start end)              ;; cancel old
+			 (bit-extract newbits 0 (- end start))) ;; insert new
+		 start)))
+
+(define arithmetic-shift ash)
+
+(cond-expand-provide (current-module) '(srfi-60))