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-rw-r--r--nixpkgs/pkgs/applications/science/math/sage/sage-env.nix187
1 files changed, 187 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/math/sage/sage-env.nix b/nixpkgs/pkgs/applications/science/math/sage/sage-env.nix
new file mode 100644
index 000000000000..626e1bf1ea92
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+++ b/nixpkgs/pkgs/applications/science/math/sage/sage-env.nix
@@ -0,0 +1,187 @@
+{ stdenv
+, lib
+, writeTextFile
+, python
+, sagelib
+, env-locations
+, gfortran
+, bash
+, coreutils
+, gnused
+, gnugrep
+, binutils
+, pythonEnv
+, python3
+, pkg-config
+, pari
+, gap
+, ecl
+, maxima-ecl
+, singular
+, fflas-ffpack
+, givaro
+, gd
+, libpng
+, linbox
+, m4ri
+, giac
+, palp
+, rWrapper
+, gfan
+, cddlib
+, jmol
+, tachyon
+, glpk
+, eclib
+, sympow
+, nauty
+, sqlite
+, ppl
+, ecm
+, lcalc
+, rubiks
+, flintqs
+, blas
+, lapack
+, flint
+, gmp
+, mpfr
+, pynac
+, zlib
+, gsl
+, ntl
+, jdk
+, less
+}:
+
+assert (!blas.isILP64) && (!lapack.isILP64);
+
+# This generates a `sage-env` shell file that will be sourced by sage on startup.
+# It sets up various environment variables, telling sage where to find its
+# dependencies.
+
+let
+  runtimepath = (lib.makeBinPath ([
+    "@sage-local@"
+    "@sage-local@/build"
+    pythonEnv
+    # empty python env to add python wrapper that clears PYTHONHOME (see
+    # wrapper.nix). This is necessary because sage will call the python3 binary
+    # (from python2 code). The python2 PYTHONHOME (again set in wrapper.nix)
+    # will then confuse python3, if it is not overwritten.
+    python3.buildEnv
+    gfortran # for inline fortran
+    stdenv.cc # for cython
+    bash
+    coreutils
+    gnused
+    gnugrep
+    binutils.bintools
+    pkg-config
+    pari
+    gap
+    ecl
+    maxima-ecl
+    singular
+    giac
+    palp
+    # needs to be rWrapper since the default `R` doesn't include R's default libraries
+    rWrapper
+    gfan
+    cddlib
+    jmol
+    tachyon
+    glpk
+    eclib
+    sympow
+    nauty
+    sqlite
+    ppl
+    ecm
+    lcalc
+    rubiks
+    flintqs
+    jdk # only needed for `jmol` which may be replaced in the future
+    less # needed to prevent transient test errors until https://github.com/ipython/ipython/pull/11864 is resolved
+  ]
+  ));
+in
+writeTextFile rec {
+  name = "sage-env";
+  destination = "/${name}";
+  text = ''
+    export PKG_CONFIG_PATH='${lib.makeSearchPathOutput "dev" "lib/pkgconfig" [
+        # This should only be needed during build. However, since the  doctests
+        # also test the cython build (for example in src/sage/misc/cython.py),
+        # it is also needed for the testsuite to pass. We could fix the
+        # testsuite instead, but since all the packages are also runtime
+        # dependencies it doesn't really hurt to include them here.
+        singular
+        blas lapack
+        fflas-ffpack givaro
+        gd
+        libpng zlib
+        gsl
+        linbox
+        m4ri
+      ]
+    }'
+    export SAGE_ROOT='${sagelib.src}'
+    export SAGE_LOCAL='@sage-local@'
+    export SAGE_SHARE='${sagelib}/share'
+    orig_path="$PATH"
+    export PATH='${runtimepath}'
+
+    # set dependent vars, like JUPYTER_CONFIG_DIR
+    source "${sagelib.src}/src/bin/sage-env"
+    export PATH="$RUNTIMEPATH_PREFIX:${runtimepath}:$orig_path" # sage-env messes with PATH
+
+    export SAGE_LOGS="$TMPDIR/sage-logs"
+    export SAGE_DOC="''${SAGE_DOC_OVERRIDE:-doc-placeholder}"
+    export SAGE_DOC_SRC="''${SAGE_DOC_SRC_OVERRIDE:-${sagelib.src}/src/doc}"
+
+    # set locations of dependencies
+    . ${env-locations}/sage-env-locations
+
+    # needed for cython
+    export CC='${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc'
+    # cython needs to find these libraries, otherwise will fail with `ld: cannot find -lflint` or similar
+    export LDFLAGS='${
+      lib.concatStringsSep " " (map (pkg: "-L${pkg}/lib") [
+        flint
+        gap
+        glpk
+        gmp
+        mpfr
+        pari
+        pynac
+        zlib
+        eclib
+        gsl
+        ntl
+        jmol
+        sympow
+      ])
+    }'
+    export CFLAGS='${
+      lib.concatStringsSep " " (map (pkg: "-isystem ${pkg}/include") [
+        singular
+        gmp.dev
+        glpk
+        flint
+        gap
+        pynac
+        mpfr.dev
+      ])
+    }'
+
+    export SAGE_LIB='${sagelib}/${python.sitePackages}'
+
+    export SAGE_EXTCODE='${sagelib.src}/src/ext'
+
+  # for find_library
+    export DYLD_LIBRARY_PATH="${lib.makeLibraryPath [stdenv.cc.libc singular]}''${DYLD_LIBRARY_PATH:+:}$DYLD_LIBRARY_PATH"
+  '';
+} // {
+  lib = sagelib; # equivalent of `passthru`, which `writeTextFile` doesn't support
+}