GALAHAD: build against MUMPS

Author: dpo

galahad.rb

@@ -3,6 +3,7 @@ class Galahad < Formula
   homepage "https://github.com/ralna/GALAHAD"
   url "https://github.com/ralna/GALAHAD/archive/refs/tags/v5.3.0.tar.gz"
   sha256 "132be2493829afa4b8d0dc60f8e8dd5f9ceaf30a4df58db49e5efade5ffc7ce5"
+  revision 1
 
   head "https://github.com/ralna/GALAHAD.git", branch: "master"
 
@@ -17,13 +18,62 @@ class Galahad < Formula
   depends_on "ninja" => :build
   depends_on "gcc"
   depends_on "hwloc"
+  depends_on "metis"
   depends_on "openblas"
 
   depends_on "optimizers/cutest/cutest"
 
   fails_with :clang
 
+  resource "mumps" do
+    url "https://mumps-solver.org/MUMPS_5.8.1.tar.gz"
+    sha256 "e91b6dcd93597a34c0d433b862cf303835e1ea05f12af073b06c32f652f3edd8"
+  end
+
   def install
+    ENV.delete("MPICC")
+    ENV.delete("MPICXX")
+    ENV.delete("MPIFC")
+
+    resource("mumps").stage do
+      cp "Make.inc/Makefile.inc.generic.SEQ", "Makefile.inc"
+      make_args = ["RANLIB=echo", "FC=gfortran", "FL=gfortran"]
+      if OS.mac?
+        make_args << "AR = gfortran -dynamiclib -undefined dynamic_lookup -Wl,-install_name,#{lib}/$(notdir $@) -o"
+      end
+
+      make_args << "LIBEXT=.so" if OS.linux?
+      make_args << "LIBEXT=.dylib" if OS.mac?
+
+      optf = ["OPTF=-O -fPIC"]
+      gcc_major_ver = Formula["gcc"].any_installed_version.major
+      optf << "-fallow-argument-mismatch" if gcc_major_ver >= 10
+      make_args << optf.join(" ")
+      make_args << "OPTC=-O -fPIC -I."
+      orderingsf = "-Dpord"
+
+      metis_libs = ["-L#{Formula["metis"].opt_lib}", "-lmetis"]
+      make_args += ["LMETISDIR=#{Formula["metis"].opt_lib}",
+                    "IMETIS=#{Formula["metis"].opt_include}",
+                    "LMETIS=#{metis_libs.join(" ")}"]
+      orderingsf << " -Dmetis"
+
+      make_args << "ORDERINGSF=#{orderingsf}"
+
+      blas_lib = ["-L#{Formula["openblas"].opt_lib}", "-lopenblas"]
+      make_args << "LIBBLAS=#{blas_lib.join(" ")}"
+      make_args << "LAPACK=#{blas_lib.join(" ")}"
+
+      ENV.deparallelize { system "make", "all", *make_args }
+
+      (buildpath/"mumps_include").install Dir["include/*.h", "libseq/mpi.h"]
+      lib.install Dir[
+        "lib/#{shared_library("*")}",
+        "libseq/#{shared_library("*")}",
+        "PORD/lib/#{shared_library("*")}",
+      ]
+    end
+
     # Environment variables for the unit tests
     ENV["OMP_CANCELLATION"] = "TRUE"
     ENV["OMP_PROC_BIND"] = "TRUE"
@@ -35,6 +85,7 @@ def install
       "-Dbinaries=true",
       "-Dlibcutest_path=#{Formula["cutest"].opt_lib}",
       "-Dlibcutest_modules=#{Formula["cutest"].opt_prefix}/modules",
+      "-Dlibmumps_path=#{lib}",
       "-Dciface=true",
       "-Dquadruple=true",
       "-Db_sanitize=none", # https://github.com/ralna/GALAHAD/pull/386