Devolve variable.h from _scm.h.

* libguile/_scm.h: Remove variable.h.
* libguile/backtrace.c:
* libguile/debug.c:
* libguile/dynstack.c:
* libguile/dynwind.c:
* libguile/eval.c:
* libguile/evalext.c:
* libguile/expand.c:
* libguile/feature.c:
* libguile/fluids.c:
* libguile/foreign-object.c:
* libguile/fports.c:
* libguile/frames.c:
* libguile/goops.c:
* libguile/i18n.c:
* libguile/load.c:
* libguile/macros.c:
* libguile/memoize.c:
* libguile/ports.c:
* libguile/print.c:
* libguile/programs.c:
* libguile/random.c:
* libguile/read.c:
* libguile/scmsigs.c:
* libguile/srfi-4.c:
* libguile/strports.c:
* libguile/syntax.c:
* libguile/threads.c:
* libguile/throw.c: Add variable.h.

libguile/_scm.h

@@ -40,7 +40,6 @@
 #include "libguile/threads.h"	/* You are not alone. */
 #include "libguile/foreign.h"	/* Snarfing needs the foreign data structures. */
 #include "libguile/programs.h"	/* ... and program.h. */
-#include "libguile/variable.h"
 #include "libguile/modules.h"
 #include "libguile/inline.h"
 #include "libguile/strings.h"

libguile/backtrace.c

@@ -53,6 +53,7 @@
 #include "libguile/strports.h"
 #include "libguile/struct.h"
 #include "libguile/throw.h"
+#include "libguile/variable.h"
 
 /* {Error reporting and backtraces}
  *

libguile/debug.c

@@ -59,6 +59,7 @@
 #include "libguile/fluids.h"
 #include "libguile/programs.h"
 #include "libguile/memoize.h"
+#include "libguile/variable.h"
 #include "libguile/vm.h"
 
 #include "libguile/debug.h"

libguile/dynstack.c

@@ -31,6 +31,7 @@
 #include "libguile/eval.h"
 #include "libguile/fluids.h"
 #include "libguile/dynstack.h"
+#include "libguile/variable.h"
 
 
 

libguile/dynwind.c

@@ -32,6 +32,7 @@
 #include "libguile/eval.h"
 #include "libguile/pairs.h"
 #include "libguile/ports.h"
+#include "libguile/variable.h"
 
 #include "libguile/dynwind.h"
 

libguile/eval.c

@@ -64,6 +64,7 @@
 #include "libguile/threads.h"
 #include "libguile/throw.h"
 #include "libguile/values.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 #include "libguile/vm.h"
 

libguile/evalext.c

@@ -30,6 +30,7 @@
 #include "libguile/fluids.h"
 #include "libguile/modules.h"
 #include "libguile/pairs.h"
+#include "libguile/variable.h"
 
 #include "libguile/evalext.h"
 

libguile/expand.c

@@ -42,6 +42,7 @@
 #include "libguile/srcprop.h"
 #include "libguile/strings.h"
 #include "libguile/throw.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 
 

libguile/feature.c

@@ -32,6 +32,7 @@
 #include "libguile/pairs.h"
 #include "libguile/strings.h"
 #include "libguile/fluids.h"
+#include "libguile/variable.h"
 
 #include "libguile/feature.h"
 

libguile/fluids.c

@@ -40,6 +40,7 @@
 #include "libguile/ports.h"
 #include "libguile/print.h"
 #include "libguile/weak-table.h"
+#include "libguile/variable.h"
 
 /* A dynamic state associates fluids with values.  There are two
    representations of a dynamic state in Guile: the active

libguile/foreign-object.c

@@ -32,6 +32,7 @@
 #include "libguile/list.h"
 #include "libguile/numbers.h"
 #include "libguile/procs.h"
+#include "libguile/variable.h"
 
 
 

libguile/fports.c

@@ -66,6 +66,7 @@
 #include "libguile/read.h"
 #include "libguile/strings.h"
 #include "libguile/syscalls.h"
+#include "libguile/variable.h"
 
 #if SIZEOF_OFF_T == SIZEOF_INT
 #define OFF_T_MAX  INT_MAX

libguile/frames.c

@@ -30,6 +30,7 @@
 #include "numbers.h"
 #include "frames.h"
 #include "ports.h"
+#include "libguile/variable.h"
 #include "vm.h"
 
 SCM

libguile/goops.c

@@ -49,6 +49,7 @@
 #include "libguile/smob.h"
 #include "libguile/strings.h"
 #include "libguile/strports.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 #include "libguile/weak-table.h"
 

libguile/i18n.c

@@ -37,6 +37,7 @@
 #include "libguile/syscalls.h"
 #include "libguile/smob.h"
 #include "libguile/values.h"
+#include "libguile/variable.h"
 #include "libguile/threads.h"
 
 #include <locale.h>

libguile/load.c

@@ -49,6 +49,7 @@
 #include "libguile/srfi-13.h"
 #include "libguile/strings.h"
 #include "libguile/throw.h"
+#include "libguile/variable.h"
 
 #include "libguile/load.h"
 #include "libguile/fluids.h"

libguile/macros.c

@@ -30,6 +30,7 @@
 #include "libguile/random.h"
 #include "libguile/smob.h"
 #include "libguile/macros.h"
+#include "libguile/variable.h"
 
 #include "libguile/private-options.h"
 

libguile/memoize.c

@@ -46,6 +46,7 @@
 #include "libguile/print.h"
 #include "libguile/strings.h"
 #include "libguile/throw.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 
 

libguile/ports.c

@@ -63,6 +63,7 @@
 #include "libguile/private-options.h"
 #include "libguile/procs.h"
 #include "libguile/syscalls.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 #include "libguile/weak-set.h"
 #include "libguile/fluids.h"

libguile/print.c

@@ -60,6 +60,7 @@
 #include "libguile/strings.h"
 #include "libguile/strports.h"
 #include "libguile/syntax.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 #include "libguile/numbers.h"
 #include "libguile/vm.h"

libguile/programs.c

@@ -34,6 +34,7 @@
 #include "ports.h"
 #include "programs.h"
 #include "procprop.h" /* scm_sym_name */
+#include "libguile/variable.h"
 #include "vm.h"
 
 

libguile/random.c

@@ -45,6 +45,7 @@
 #include "libguile/strings.h"
 #include "libguile/arrays.h"
 #include "libguile/srfi-4.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 #include "libguile/generalized-vectors.h"
 

libguile/read.c

@@ -55,6 +55,7 @@
 #include "libguile/fports.h"
 #include "libguile/strings.h"
 #include "libguile/strports.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 #include "libguile/srfi-4.h"
 #include "libguile/srfi-13.h"

libguile/scmsigs.c

@@ -53,6 +53,7 @@
 #include "libguile/list.h"
 #include "libguile/numbers.h"
 #include "libguile/procs.h"
+#include "libguile/variable.h"
 #include "libguile/vectors.h"
 #include "libguile/syscalls.h"
 #include "libguile/threads.h"

libguile/srfi-4.c

@@ -37,6 +37,7 @@
 #include "libguile/generalized-vectors.h"
 #include "libguile/numbers.h"
 #include "libguile/uniform.h"
+#include "libguile/variable.h"
 
 
 #define DEFINE_SCHEME_PROXY100(cname, modname, scmname)                   \

libguile/strports.c

@@ -41,6 +41,7 @@
 #include "libguile/modules.h"
 #include "libguile/deprecation.h"
 #include "libguile/srfi-4.h"
+#include "libguile/variable.h"
 
 #include "libguile/strports.h"
 

libguile/syntax.c

@@ -28,6 +28,7 @@
 #include "libguile/eval.h"
 #include "libguile/ports.h"
 #include "libguile/syntax.h"
+#include "libguile/variable.h"
 
 
 

libguile/threads.c

@@ -63,6 +63,7 @@
 #include "libguile/init.h"
 #include "libguile/scmsigs.h"
 #include "libguile/strings.h"
+#include "libguile/variable.h"
 #include "libguile/vm.h"
 
 

libguile/throw.c

@@ -47,6 +47,7 @@
 #include "libguile/throw.h"
 #include "libguile/init.h"
 #include "libguile/strings.h"
+#include "libguile/variable.h"
 
 #include "libguile/private-options.h"