From bf49c616eea78a92ce9f7ae88774f6f427d1fae4 Mon Sep 17 00:00:00 2001
From: Symphorien Gibol <symphorien+git@xlumurb.eu>
Date: Wed, 10 Jan 2018 17:49:06 +0100
Subject: [PATCH] giac: fix build

giac was broken somewhere between 310ad4 and b33b4a, see
https://hydra.nixos.org/build/67137469
libgfortran.so.3 was not found
---
 pkgs/applications/science/math/giac/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/science/math/giac/default.nix b/pkgs/applications/science/math/giac/default.nix
index 4ef00d56f18..b2b052bdb15 100644
--- a/pkgs/applications/science/math/giac/default.nix
+++ b/pkgs/applications/science/math/giac/default.nix
@@ -29,7 +29,10 @@ stdenv.mkDerivation rec {
   # perl is only needed for patchShebangs fixup.
   buildInputs = [
     gmp mpfr pari ntl gsl blas mpfi liblapackWithAtlas
-    readline gettext libpng libao gfortran perl
+    readline gettext libpng libao perl
+    # gfortran.cc default output contains static libraries compiled without -fPIC
+    # we want libgfortran.so.3 instead
+    (stdenv.lib.getLib gfortran.cc)
   ] ++ stdenv.lib.optionals enableGUI [
     mesa fltk xorg.libX11
   ];