medfile: build and link against hb [email protected]

Formula/med-file@4.1.1_py312.rb

@@ -0,0 +1,143 @@
+class MedFileAT411Py312 < Formula
+ desc "Modeling and Data Exchange standardized format library"
+ homepage "https://www.salome-platform.org/"
+ url "https://github.com/chennes/med/archive/refs/tags/v4.1.1.tar.gz"
+ sha256 "ee8b3b6d46bfee25c1d289308b16c7f248d1339161fd5448339382125e6119ad"
+ license "GPL-3.0-only"
+
+ keg_only :versioned_formula
+
+ depends_on "cmake" => :build
+ depends_on "freecad/freecad/[email protected]" => :build
+ depends_on "[email protected]" => :build
+ depends_on "gcc" # may be better as a build dep, not fully sure at the moment
+ depends_on "hdf5"
+ depends_on "libaec"
+
+ patch do
+ url "https://raw.githubusercontent.com/FreeCAD/homebrew-freecad/8efd96c520e35c36cbd55460669a643b53b27c29/patches/med-file-4.1.1-cmake-find-python-h.patch"
+ sha256 "8fe32c1217704c5c963f35adbf1a05f3e7e3f1b3db686066c5bdd34bf45e409a"
+ end
+
+ patch do
+ url "https://gitweb.gentoo.org/repo/gentoo.git/plain/sci-libs/med/files/med-4.1.0-0003-build-against-hdf5-1.14.patch"
+ sha256 "d4551df69f4dcb3c8a649cdeb0a6c9d27a03aebc0c6dcdba74cac39a8732f8d1"
+ end
+
+ # TODO: a valid regex is required for livecheck
+ # livecheck do
+ # url :stable
+ # # url "https://files.salome-platform.org/Salome/other/"
+ # # regex(/^v?(\d+(?:\.\d+)+)$/i)
+ # # regex(/^med-4.\d.\d.tar.gz$/i)
+ # end
+
+ def install
+ # ENV.cxx11
+ hbp = HOMEBREW_PREFIX
+
+ gcc_formula = Formula["gcc"]
+ gcc_version = gcc_formula.version.to_s.split(".").first
+
+ # use gcc, g++, and gfrontran to build formula
+ ENV["CC"] = Formula["gcc"].opt_bin/"gcc-#{gcc_version}"
+ ENV["CXX"] = Formula["gcc"].opt_bin/"g++-#{gcc_version}"
+ ENV["FC"] = Formula["gcc"].opt_bin/"gfortran-#{gcc_version}"
+
+ # work around Xcode.app >= v15
+ ENV.append "LDFLAGS", "-Wl,-ld_classic" if DevelopmentTools.clang_build_version >= 1500
+
+ # hb default values not used
+ rm_std_cmake_args = [
+ "-DBUILD_TESTING=OFF",
+ "-DCMAKE_INSTALL_LIBDIR",
+ ]
+
+ ENV["PYTHON"] = Formula["[email protected]"].opt_bin/"python3.12"
+
+ 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 + "/libpython3.12.dylib"
+ else
+ `#{python_exe}-config --configdir`.strip + "/libpython3.12.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
+ -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
+ ]
+
+ # remove unwanted values from args
+ args.reject! { |arg| rm_std_cmake_args.any? { |value| arg.include?(value) } }
+
+ system "cmake", "-S", ".", "-B", "build", *args
+ system "cmake", "--build", "build"
+ system "cmake", "--install", "build"
+ end
+
+ def post_install
+ # explicitly set python version
+ py_ver = "3.12"
+
+ python_dir = Dir["#{lib}/python."].first
+ if python_dir && File.directory?(python_dir)
+ mv(python_dir, "#{lib}/python#{py_ver}")
+ else
+ opoo "Directory #{lib}/python. does not exist."
+ end
+
+ correct_py_dir = Dir["#{lib}/python#{py_ver}"].first
+ ohai "Directory #{lib}/python#{py_ver} does exist." if correct_py_dir && File.directory?(correct_py_dir)
+
+ # Unlink the existing .pth file to avoid reinstall issues
+ pth_file = lib/"python#{py_ver}/medfile.pth"
+ pth_file.unlink if pth_file.exist?
+
+ ohai "Creating .pth file for medfile python module"
+ # write the .pth file to the parent dir of site-packages
+ (lib/"python#{py_ver}/medfile.pth").write <<~EOS
+ import site; site.addsitedir('#{lib}/python#{py_ver}/site-packages/')
+ EOS
+ end
+
+ def caveats
+ <<-EOS
+ the current medfile install will create a non standard python module path
+ thus the post install step is used to fix the directory structure for the python module
+
+ the same issue can be seen in the gentoo package file
+ https://gitweb.gentoo.org/repo/gentoo.git/tree/sci-libs/med/med-4.1.1-r3.ebuild#n49
+
+ to use the python module provided by this formula the fc_bundle formula should be installed
+ or the formula will require manual linking using the `brew link` command.
+ EOS
+ end
+
+ test do
+ (testpath/"test.c").write <<~EOS
+ #include <med.h>
+ #include <stdio.h>
+ int main() {
+ printf("%d.%d.%d",MED_MAJOR_NUM,MED_MINOR_NUM,MED_RELEASE_NUM);
+ return 0;
+ }
+ EOS
+ system ENV.cc, "-I#{include}", "-I#{Formula["hdf5"].include}", "-L#{lib}", "-lmedC", "test.c"
+ assert_equal version.to_s, shell_output("./a.out").chomp
+ end
+end