Bug 1422734 - move --enable-small-chunk-size to moz.configure; r=chmanchester

build/moz.configure/old.configure

@@ -214,7 +214,6 @@ def old_configure_options(*options):
     '--enable-reflow-perf',
     '--enable-sandbox',
     '--enable-signmar',
-    '--enable-small-chunk-size',
     '--enable-startup-notification',
     '--enable-startupcache',
     '--enable-stdcxx-compat',

js/moz.configure

@@ -282,6 +282,17 @@ set_define('JS_GC_ZEAL',
            depends_if('--enable-gczeal')(lambda _: True))
 
 
+# Use a smaller chunk size for GC chunks
+# ========================================================
+# Use large (1MB) chunks by default.  This option can be used to give
+# smaller (currently 256K) chunks.
+js_option('--enable-small-chunk-size',
+          help='Allocate memory for JS GC things in smaller chunks')
+
+set_define('JS_GC_SMALL_CHUNK_SIZE',
+           depends(when='--enable-small-chunk-size')(lambda: True))
+
+
 # Trace logging.
 # =======================================================
 js_option('--enable-trace-logging',

js/src/old-configure.in

@@ -1490,19 +1490,6 @@ fi
 AC_SUBST(MOZ_GLUE_IN_PROGRAM)
 AC_SUBST_LIST(MOZ_GLUE_WRAP_LDFLAGS)
 
-dnl ========================================================
-dnl = Use a smaller chunk size for GC chunks
-dnl ========================================================
-dnl Use large (1MB) chunks by default.  For B2G this option is used to give
-dnl smaller (currently 256K) chunks.
-MOZ_ARG_ENABLE_BOOL(small-chunk-size,
-[  --enable-small-chunk-size  Allocate memory for JS GC things in smaller chunks],
-    JS_GC_SMALL_CHUNK_SIZE=1,
-    JS_GC_SMALL_CHUNK_SIZE= )
-if test -n "$JS_GC_SMALL_CHUNK_SIZE"; then
-    AC_DEFINE(JS_GC_SMALL_CHUNK_SIZE)
-fi
-
 dnl ========================================================
 dnl = Use Valgrind
 dnl ========================================================

mobile/android/confvars.sh

@@ -40,8 +40,5 @@ MOZ_USE_NATIVE_POPUP_WINDOWS=1
 
 MOZ_APP_ID={aa3c5121-dab2-40e2-81ca-7ea25febc110}
 
-# Use the low-memory GC tuning.
-export JS_GC_SMALL_CHUNK_SIZE=1
-
 # Enable checking that add-ons are signed by the trusted root
 MOZ_ADDON_SIGNING=1

mobile/android/moz.configure

@@ -98,6 +98,7 @@ set_config('MOZ_ANDROID_MOZILLA_ONLINE',
 
 imply_option('MOZ_SERVICES_HEALTHREPORT', True)
 imply_option('MOZ_ANDROID_HISTORY', True)
+imply_option('--enable-small-chunk-size', True)
 
 set_config('ANDROID_SUPPORT_LIBRARY_VERSION', '23.4.0')
 add_old_configure_assignment('ANDROID_SUPPORT_LIBRARY_VERSION', '23.4.0')