openblas: add pkg-config aliases

pkgs/applications/science/math/sage/default.nix

@@ -21,7 +21,7 @@ let
 
       sagelib = self.callPackage ./sagelib.nix {
         inherit flint ecl arb;
-        inherit sage-src openblas-blas-pc openblas-cblas-pc openblas-lapack-pc pynac singular;
+        inherit sage-src pynac singular;
         linbox = nixpkgs.linbox.override { withSage = true; };
       };
 
@@ -41,13 +41,13 @@ let
       };
 
       sage-env = self.callPackage ./sage-env.nix {
-        inherit sage-src python rWrapper openblas-cblas-pc ecl singular palp flint pynac pythonEnv;
+        inherit sage-src python rWrapper ecl singular palp flint pynac pythonEnv;
         pkg-config = nixpkgs.pkgconfig; # not to confuse with pythonPackages.pkgconfig
       };
 
       sage-with-env = self.callPackage ./sage-with-env.nix {
         inherit pythonEnv;
-        inherit sage-src openblas-blas-pc openblas-cblas-pc openblas-lapack-pc pynac singular;
+        inherit sage-src pynac singular;
         pkg-config = nixpkgs.pkgconfig; # not to confuse with pythonPackages.pkgconfig
         three = nodePackages_8_x.three;
       };
@@ -60,10 +60,6 @@ let
     };
   };
 
-  openblas-blas-pc = callPackage ./openblas-pc.nix { name = "blas"; };
-  openblas-cblas-pc = callPackage ./openblas-pc.nix { name = "cblas"; };
-  openblas-lapack-pc = callPackage ./openblas-pc.nix { name = "lapack"; };
-
   sage-src = callPackage ./sage-src.nix {};
 
   pythonRuntimeDeps = with python.pkgs; [

pkgs/applications/science/math/sage/openblas-pc.nix

@@ -1,17 +0,0 @@
-{ openblasCompat
-, writeTextFile
-, name
-}:
-
-writeTextFile {
-  name = "openblas-${name}-pc-${openblasCompat.version}";
-  destination = "/lib/pkgconfig/${name}.pc";
-  text = ''
-    Name: ${name}
-    Version: ${openblasCompat.version}
-
-    Description: ${name} for SageMath, provided by the OpenBLAS package.
-    Cflags: -I${openblasCompat}/include
-    Libs: -L${openblasCompat}/lib -lopenblas
-  '';
-}

pkgs/applications/science/math/sage/sage-env.nix

@@ -37,7 +37,7 @@
 , lcalc
 , rubiks
 , flintqs
-, openblas-cblas-pc
+, openblasCompat
 , flint
 , gmp
 , mpfr
@@ -98,9 +98,9 @@ writeTextFile rec {
     export PKG_CONFIG_PATH='${lib.concatStringsSep ":" (map (pkg: "${pkg}/lib/pkgconfig") [
         # This is only needed in the src/sage/misc/cython.py test and I'm not sure if there's really a use-case
         # for it outside of the tests. However since singular and openblas are runtime dependencies anyways
-        # and openblas-cblas-pc is tiny, it doesn't really hurt to include.
+        # it doesn't really hurt to include.
         singular
-        openblas-cblas-pc
+        openblasCompat
       ])
     }'
     export SAGE_ROOT='${sage-src}'

pkgs/applications/science/math/sage/sage-with-env.nix

@@ -4,9 +4,6 @@
 , sage-env
 , sage-src
 , openblasCompat
-, openblas-blas-pc
-, openblas-cblas-pc
-, openblas-lapack-pc
 , pkg-config
 , three
 , singular
@@ -32,9 +29,6 @@ let
     makeWrapper
     pkg-config
     openblasCompat # lots of segfaults with regular (64 bit) openblas
-    openblas-blas-pc
-    openblas-cblas-pc
-    openblas-lapack-pc
     singular
     three
     pynac

pkgs/applications/science/math/sage/sagelib.nix

@@ -3,9 +3,6 @@
 , buildPythonPackage
 , arb
 , openblasCompat
-, openblas-blas-pc
-, openblas-cblas-pc
-, openblas-lapack-pc
 , brial
 , cliquer
 , cypari2
@@ -59,9 +56,7 @@ buildPythonPackage rec {
   nativeBuildInputs = [
     iml
     perl
-    openblas-blas-pc
-    openblas-cblas-pc
-    openblas-lapack-pc
+    openblasCompat
     jupyter_core
   ];
 

pkgs/development/libraries/science/math/openblas/default.nix

@@ -136,6 +136,20 @@ stdenv.mkDerivation rec {
   doCheck = true;
   checkTarget = "tests";
 
+  postInstall = ''
+    # Write pkgconfig aliases. Upstream report:
+    # https://github.com/xianyi/OpenBLAS/issues/1740
+    for alias in blas cblas lapack; do
+      cat <<EOF > $out/lib/pkgconfig/openblas-$alias.pc
+Name: $alias
+Version: ${version}
+Description: $alias provided by the OpenBLAS package.
+Cflags: -I$out/include
+Libs: -L$out/lib -lopenblas
+EOF
+    done
+  '';
+
   meta = with stdenv.lib; {
     description = "Basic Linear Algebra Subprograms";
     license = licenses.bsd3;