+ initial skeleton of the js backendjs

git-svn-id: http://svn.freepascal.org/svn/fpc/branches/js@27484 3ad0048d-3df7-0310-abae-a5850022a9f2

1 files changed, 6 insertions, 0 deletions

diff --git a/compiler/pp.pas b/compiler/pp.pas
index 09c307b7b4..acb773bc98 100644
--- a/compiler/pp.pas
+++ b/compiler/pp.pas
@@ -153,6 +153,12 @@ program pp;
   {$endif CPUDEFINED}
   {$define CPUDEFINED}
 {$endif AARCH64}
+{$ifdef JS}
+  {$ifdef CPUDEFINED}
+    {$fatal ONLY one of the switches for the CPU type must be defined}
+  {$endif CPUDEFINED}
+  {$define CPUDEFINED}
+{$endif}
 {$ifndef CPUDEFINED}
   {$fatal A CPU type switch must be defined}
 {$endif CPUDEFINED}