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Diffstat (limited to 'pkgs/development/compilers/gnatboot/default.nix')
-rw-r--r--pkgs/development/compilers/gnatboot/default.nix8
1 files changed, 6 insertions, 2 deletions
diff --git a/pkgs/development/compilers/gnatboot/default.nix b/pkgs/development/compilers/gnatboot/default.nix
index d97298d0238..c68c4fd4ba0 100644
--- a/pkgs/development/compilers/gnatboot/default.nix
+++ b/pkgs/development/compilers/gnatboot/default.nix
@@ -1,15 +1,19 @@
 { lib, stdenv, fetchurl }:
 
+if stdenv.hostPlatform != stdenv.targetPlatform
+then builtins.throw "gnatboot can't cross-compile"
+else
+
 stdenv.mkDerivation {
   pname = "gentoo-gnatboot";
   version = "4.1";
 
-  src = if stdenv.system == "i686-linux" then
+  src = if stdenv.hostPlatform.system == "i686-linux" then
     fetchurl {
       url = mirror://gentoo/distfiles/gnatboot-4.1-i386.tar.bz2;
       sha256 = "0665zk71598204bf521vw68i5y6ccqarq9fcxsqp7ccgycb4lysr";
     }
-  else if stdenv.system == "x86_64-linux" then
+  else if stdenv.hostPlatform.system == "x86_64-linux" then
     fetchurl {
       url = mirror://gentoo/distfiles/gnatboot-4.1-amd64.tar.bz2;
       sha256 = "1li4d52lmbnfs6llcshlbqyik2q2q4bvpir0f7n38nagp0h6j0d4";