[script] drop stringify, .script.h instead of .string

stringify.py is written in perl, but doesn't do much to justify the
dependency.  We now just do sed in the Makefile.  Also, rename
.string to .script.h since that's a little more conventional.

src/plugins/splash/script/Makefile.am

@@ -45,16 +45,14 @@ script_la_SOURCES = $(srcdir)/plugin.c                                        \
                     $(srcdir)/script-lib-math.script
 
 MAINTAINERCLEANFILES = Makefile.in
-CLEANFILES = *.string
+CLEANFILES = *.script.h
 
-BUILT_SOURCES = script-lib-image.string script-lib-sprite.string script-lib-math.string script-lib-plymouth.string
+BUILT_SOURCES = script-lib-image.script.h script-lib-sprite.script.h script-lib-math.script.h script-lib-plymouth.script.h
 
-EXTRA_DIST = stringify.pl
-
-%.string: %.script stringify.pl
-	$(srcdir)/stringify.pl < $< > $@
-    
-script-lib-image.c : script-lib-image.string
-script-lib-sprite.c : script-lib-sprite.string
-script-lib-math.c : script-lib-math.string
-script-lib-plymouth.c : script-lib-plymouth.string
+%.script.h: %.script
+	sed -e 's/\\/\\\\/g'                                                  \
+	    -e 's/"/\\"/g'                                                    \
+	    -e 's/\(.*\)/  "\1\\n"/g'                                         \
+	    -e '1istatic const char* $(subst -,_,$(@:.script.h=_string)) ='   \
+	    -e '$$a;'                                                         \
+	    $< > $@

src/plugins/splash/script/script-lib-image.c

@@ -35,8 +35,7 @@
 
 #include "config.h"
 
-#define STRINGIFY_VAR script_lib_image_string
-#include "script-lib-image.string"
+#include "script-lib-image.script.h"
 
 static void image_free (script_obj_t *obj)
 {

src/plugins/splash/script/script-lib-math.c

@@ -34,9 +34,7 @@
 
 #include "config.h"
 
-#define STRINGIFY_VAR script_lib_math_string
-
-#include "script-lib-math.string"
+#include "script-lib-math.script.h"
 
 static script_return_t script_lib_math_float_from_float_function (script_state_t *state,
                                                                   void           *user_data)

src/plugins/splash/script/script-lib-plymouth.c

@@ -33,9 +33,7 @@
 
 #include "config.h"
 
-#define STRINGIFY_VAR script_lib_plymouth_string
-
-#include "script-lib-plymouth.string"
+#include "script-lib-plymouth.script.h"
 
 static script_return_t plymouth_set_function (script_state_t *state,
                                               void           *user_data)

src/plugins/splash/script/script-lib-sprite.c

@@ -35,8 +35,7 @@
 #include <stdlib.h>
 #include <math.h>
 
-#define STRINGIFY_VAR script_lib_sprite_string
-#include "script-lib-sprite.string"
+#include "script-lib-sprite.script.h"
 
 static void sprite_free (script_obj_t *obj)
 {

src/plugins/splash/script/stringify.pl

@@ -1,14 +0,0 @@
-#! /bin/sh
-exec perl -x $0 ${1+"$@"}
-	if 0;
-#!perl
-
-print "static const char* STRINGIFY_VAR = ";
-while (<>)
-{
-	chomp;
-    s/\\/\\\\/g;
-    s/"/\\"/g;
-	print "\"$_\\n\"\n";
-}
-print ";";