linbox: backport upstream fixes

References:
f78117d9c3
4ff828e200

Signed-off-by: Masanori Ogino <167209+omasanori@users.noreply.github.com>

pkgs/development/libraries/linbox/default.nix

@@ -14,8 +14,7 @@ assert (!blas.isILP64) && (!lapack.isILP64);
 
 stdenv.mkDerivation rec {
   pname = "linbox";
-  version = "1.6.3";
-
+  version = "1.6.3"; # TODO: Check postPatch script on update
 
   src = fetchFromGitHub {
     owner = "linbox-team";
@@ -36,6 +35,20 @@ stdenv.mkDerivation rec {
     fflas-ffpack
   ];
 
+  patches = [
+    # Remove inappropriate `const &` qualifiers on data members that can be
+    # modified via member functions.
+    # See also: https://github.com/linbox-team/linbox/pull/256
+    ./patches/linbox-pr256-part2.patch # TODO: Remove on 1.7.0 update
+  ];
+
+  postPatch = ''
+    # Remove @LINBOXSAGE_LIBS@ that is actually undefined.
+    # See also: https://github.com/linbox-team/linbox/pull/249
+    # TODO: Remove on 1.7.0 update
+    find . -type f -exec sed -e 's/@LINBOXSAGE_LIBS@//' -i {} \;
+  '';
+
   configureFlags = [
     "--with-blas-libs=-lblas"
     "--disable-optimization"

pkgs/development/libraries/linbox/patches/linbox-pr256-part2.patch

@@ -0,0 +1,13 @@
+--- a/linbox/algorithms/det-rational.h
++++ b/linbox/algorithms/det-rational.h
+@@ -79,8 +79,8 @@
+ 	struct MyRationalModularDet {
+ 		const Blackbox &A;
+ 		const MyMethod &M;
+-		const Integer &mul;//multiplicative prec;
+-		const Integer ÷
++		Integer mul;//multiplicative prec;
++		Integer div;
+ 
+ 		MyRationalModularDet(const Blackbox& b, const MyMethod& n,
+ 				     const Integer & p1, const Integer & p2) :