med-file update formula for gnu+linux

Formula/med-file@4.1.1.rb

@@ -16,7 +16,7 @@ class MedFileAT411 < Formula
  depends_on "cmake" => :build
  depends_on "freecad/freecad/[email protected]" => :build
  depends_on "[email protected]" => :build
- depends_on "gcc"
+ depends_on "gcc" # may be better as a build dep, not fully sure at the moment
  depends_on "hdf5"
  depends_on "libaec"
 
@@ -39,6 +39,14 @@ class MedFileAT411 < Formula
  # end
 
  def install
+ # use gcc, g++, and gfrontran to build formula
+ ENV["CC"] = Formula["gcc"].opt_bin/"gcc-13"
+ ENV["CXX"] = Formula["gcc"].opt_bin/"g++-13"
+ ENV["FC"] = Formula["gcc"].opt_bin/"gfortran"
+
+ # work around Xcode.app >= v15
+ ENV.append "LDFLAGS", "-Wl,-ld_classic" if DevelopmentTools.clang_build_version >= 1500
+
  # ENV.cxx11
  hbp = HOMEBREW_PREFIX
 
@@ -48,35 +56,61 @@ def install
  "-DCMAKE_INSTALL_LIBDIR",
  ]
 
+ ENV["PYTHON"] = Formula["[email protected]"].opt_bin/"python3.11"
+
+ python_exe = ENV["PYTHON"]
+ # Get the Python includes directory without duplicates
+ py_inc_dir = `#{python_exe}-config --includes`.scan(/-I([^\s]+)/).flatten.uniq.join(" ")
+
+ py_lib_path = if OS.mac?
+ `#{python_exe}-config --configdir`.strip + "/libpython3.11.dylib"
+ else
+ `#{python_exe}-config --configdir`.strip + "/libpython3.11.a"
+ end
+
+ puts "--------------------------------------------"
+ puts "PYTHON=#{ENV["PYTHON"]}"
+ puts "PYTHON_INCLUDE_DIR=#{py_inc_dir}"
+ puts "PYTHON_LIBRARY=#{py_lib_path}"
+
  args = std_cmake_args + %W[
  -DHOMEBREW_PREFIX=#{hbp}
+ -DMEDFILE_INSTALL_DOC=ON
+ -DMEDFILE_USE_UNICODE=ON
  -DMEDFILE_BUILD_PYTHON=ON
- -DMEDFILE_BUILD_TESTS=OFF
- -DMEDFILE_INSTALL_DOC=OFF
- -DPYTHON_EXECUTABLE=#{Formula["[email protected]"].opt_bin}/python3.11
+ -DPYTHON_EXECUTABLE=#{python_exe}
+ -DPYTHON_INCLUDE_DIRS=#{py_inc_dir}
  -DCMAKE_PREFIX_PATH=#{Formula["hdf5"].opt_prefix};#{Formula["gcc"].opt_prefix};
  -DCMAKE_INSTALL_RPATH=#{rpath}
+ -DMEDFILE_BUILD_TESTS=0
  ]
 
- if OS.mac?
- args << "-DPYTHON_LIBRARY=#{hbp}/opt/[email protected]/Frameworks/Python.framework/Versions/Current/lib" \
- "/libpython3.11.dylib"
- args << "-DPYTHON_INCLUDE_DIRS=#{Formula["[email protected]"].opt_prefix}/Frameworks/Python.framework/Versions/" \
- "3.11/Headers"
- else
- # NOTE: specifying the below cmake var still did not help in finding `Python.h`
- args << "-DPYTHON_INCLUDE_DIRS=#{hbp}/opt/[email protected]/include/python3.11"
- args << "-DPYTHON_LIBRARY=#{hbp}/opt/[email protected]/lib/libpython3.11.so"
- end
-
  # Remove unwanted values from args
  args.reject! { |arg| rm_std_cmake_args.any? { |value| arg.include?(value) } }
 
- mkdir "build" do
- system "cmake", "..", *args
- system "make"
- system "make", "install"
- end
+ system "cmake", "-S", ".", "-B", "build", *args
+ system "cmake", "--build", "build"
+ system "cmake", "--install", "build"
+ end
+
+ def post_install
+ # Move installed Python module to the correct directory
+ site_packages_dir = lib/"python3.11/site-packages"
+ mkdir_p site_packages_dir
+ mv Dir["#{lib}/python.*/site-packages/med"], site_packages_dir
+
+ # explicitly set python version
+ python_version = "3.11"
+
+ # Unlink the existing .pth file to avoid reinstall issues
+ pth_file = lib/"python#{python_version}/medfile.pth"
+ pth_file.unlink if pth_file.exist?
+
+ ohai "Creating .pth file for medfile module"
+ # write the .pth file to the parent dir of site-packages
+ (lib/"python#{python_version}/medfile.pth").write <<~EOS
+ import site; site.addsitedir('#{lib}/python#{python_version}/site-packages/')
+ EOS
  end
 
  test do