Bug 1293981 - Move --enable-gc-trace to moz.configure. r=chmanchester

build/moz.configure/old.configure

@@ -181,7 +181,6 @@ def old_configure_options(*options):
     '--enable-faststripe',
     '--enable-feeds',
     '--enable-gamepad',
-    '--enable-gc-trace',
     '--enable-gconf',
     '--enable-gczeal',
     '--enable-gio',

js/moz.configure

@@ -172,3 +172,14 @@ def vtune(value):
 
 set_config('MOZ_VTUNE', vtune)
 set_define('MOZ_VTUNE', vtune)
+
+
+js_option('--enable-gc-trace', env='JS_GC_TRACE',
+          help='Enable tracing of allocation and finalization')
+
+@depends('--enable-gc-trace')
+def gc_trace(value):
+    if value:
+        return True
+
+set_define('JS_GC_TRACE', gc_trace)

js/src/old-configure.in

@@ -1752,17 +1752,6 @@ if test -n "$JS_GC_SMALL_CHUNK_SIZE"; then
     AC_DEFINE(JS_GC_SMALL_CHUNK_SIZE)
 fi
 
-dnl ========================================================
-dnl = Use GC tracing
-dnl ========================================================
-MOZ_ARG_ENABLE_BOOL(gc-trace,
-[  --enable-gc-trace  Enable tracing of allocation and finalization],
-    JS_GC_TRACE=1,
-    JS_GC_TRACE= )
-if test -n "$JS_GC_TRACE"; then
-    AC_DEFINE(JS_GC_TRACE)
-fi
-
 dnl ========================================================
 dnl = Use Valgrind
 dnl ========================================================