Bug 1639815 - Move --disable-icf to python configure. r=froydnj

Differential Revision: https://phabricator.services.mozilla.com/D76290

build/autoconf/compiler-opts.m4

@@ -94,11 +94,6 @@ dnl ========================================================
 dnl = Identical Code Folding
 dnl ========================================================
 
-MOZ_ARG_DISABLE_BOOL(icf,
-[  --disable-icf          Disable Identical Code Folding],
-    MOZ_DISABLE_ICF=1,
-    MOZ_DISABLE_ICF= )
-
 if test "$GNU_CC" -a "$GCC_USE_GNU_LD" -a -z "$MOZ_DISABLE_ICF" -a -z "$DEVELOPER_OPTIONS"; then
     AC_CACHE_CHECK([whether the linker supports Identical Code Folding],
         LD_SUPPORTS_ICF,

build/moz.configure/old.configure

@@ -215,7 +215,6 @@ def old_configure_options(*options):
     '--enable-debug-js-modules',
     '--enable-dump-painting',
     '--enable-extensions',
-    '--enable-icf',
     '--enable-install-strip',
     '--enable-libproxy',
     '--enable-logrefcnt',

moz.configure

@@ -645,6 +645,12 @@ set_config('HAVE_DTRACE', True, when=dtrace)
 set_define('INCLUDE_MOZILLA_DTRACE', True, when=dtrace)
 add_old_configure_assignment('enable_dtrace', 'yes', when=dtrace)
 
+
+js_option('--disable-icf', help='Disable Identical Code Folding')
+
+add_old_configure_assignment(
+    'MOZ_DISABLE_ICF', '1', when=depends('--enable-icf')(lambda x: not x))
+
 # Please do not add configure checks from here on.
 
 # Fallthrough to autoconf-based configure