3 files changed, 7 insertions, 1 deletions
diff --git a/pkgs/applications/science/math/cbc/default.nix b/pkgs/applications/science/math/cbc/default.nix
index 0d1ef26092e2..f294750928ed 100644
--- a/pkgs/applications/science/math/cbc/default.nix
+++ b/pkgs/applications/science/math/cbc/default.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
+  hardening_format = false;
+
   buildInputs = [ zlib bzip2 ];
 
   # FIXME: move share/coin/Data to a separate output?
diff --git a/pkgs/applications/science/math/qalculate-gtk/default.nix b/pkgs/applications/science/math/qalculate-gtk/default.nix
index 6bc5d874bc0d..77026eb490a1 100644
--- a/pkgs/applications/science/math/qalculate-gtk/default.nix
+++ b/pkgs/applications/science/math/qalculate-gtk/default.nix
@@ -8,6 +8,8 @@ stdenv.mkDerivation rec {
     sha256 = "0b986x5yny9vrzgxlbyg80b23mxylxv2zz8ppd9svhva6vi8xsm4";
   };
 
+  hardening_format = false;
+
   nativeBuildInputs = [ intltool pkgconfig ];
   buildInputs = [ libqalculate gtk gnome2.libglade gnome2.libgnome gnome2.scrollkeeper ];
 
diff --git a/pkgs/applications/science/math/yacas/default.nix b/pkgs/applications/science/math/yacas/default.nix
index 2c9d63be1b4d..af284a2f82e0 100644
--- a/pkgs/applications/science/math/yacas/default.nix
+++ b/pkgs/applications/science/math/yacas/default.nix
@@ -8,6 +8,8 @@ stdenv.mkDerivation rec {
     sha256 = "1dmafm3w0lm5w211nwkfzaid1rvvmgskz7k4500pjhgdczi5sd78";
   };
 
+  hardening_format = false;
+
   # Perl is only for the documentation
   nativeBuildInputs = [ perl ];
 
@@ -32,7 +34,7 @@ stdenv.mkDerivation rec {
     '';
   };
 
-  meta = { 
+  meta = {
       description = "Easy to use, general purpose Computer Algebra System";
       homepage = http://yacas.sourceforge.net/;
       license = stdenv.lib.licenses.gpl2Plus;