homebrew-core/Formula/vtk.rb
2018-04-20 08:41:23 -07:00

131 lines
5 KiB
Ruby

class Vtk < Formula
desc "Toolkit for 3D computer graphics, image processing, and visualization"
homepage "https://www.vtk.org/"
url "https://www.vtk.org/files/release/8.1/VTK-8.1.0.tar.gz"
sha256 "6e269f07b64fb13774f5925161fb4e1f379f4e6a0131c8408c555f6b58ef3cb7"
revision 2
head "https://github.com/Kitware/VTK.git"
bottle do
sha256 "1e34e131a8519dabf2b632967d84c417b67ef39cfe256af18f6b64b12c4bc5e4" => :high_sierra
sha256 "19901a046af52ec69be3287a8a010d3793298b62e729924efae44ffa81199d02" => :sierra
sha256 "f0c52d002d318238e9602de43a2e5b91b79841bca6bf10454e502fa0131f5226" => :el_capitan
end
option "without-python@2", "Build without python2 support"
deprecated_option "without-python" => "without-python@2"
depends_on "cmake" => :build
depends_on "boost"
depends_on "fontconfig"
depends_on "hdf5"
depends_on "jpeg"
depends_on "libpng"
depends_on "libtiff"
depends_on "netcdf"
depends_on "python@2" => :recommended
depends_on "python" => :optional
depends_on "qt" => :optional
depends_on "pyqt" if build.with? "qt"
needs :cxx11
def install
args = std_cmake_args + %W[
-DBUILD_SHARED_LIBS=ON
-DBUILD_TESTING=OFF
-DCMAKE_INSTALL_NAME_DIR:STRING=#{lib}
-DCMAKE_INSTALL_RPATH:STRING=#{lib}
-DModule_vtkInfovisBoost=ON
-DModule_vtkInfovisBoostGraphAlgorithms=ON
-DModule_vtkRenderingFreeTypeFontConfig=ON
-DVTK_REQUIRED_OBJCXX_FLAGS=''
-DVTK_USE_COCOA=ON
-DVTK_USE_SYSTEM_EXPAT=ON
-DVTK_USE_SYSTEM_HDF5=ON
-DVTK_USE_SYSTEM_JPEG=ON
-DVTK_USE_SYSTEM_LIBXML2=ON
-DVTK_USE_SYSTEM_NETCDF=ON
-DVTK_USE_SYSTEM_PNG=ON
-DVTK_USE_SYSTEM_TIFF=ON
-DVTK_USE_SYSTEM_ZLIB=ON
-DVTK_WRAP_TCL=ON
]
unless MacOS::CLT.installed?
# We are facing an Xcode-only installation, and we have to keep
# vtk from using its internal Tk headers (that differ from OSX's).
args << "-DTK_INCLUDE_PATH:PATH=#{MacOS.sdk_path}/System/Library/Frameworks/Tk.framework/Headers"
args << "-DTK_INTERNAL_PATH:PATH=#{MacOS.sdk_path}/System/Library/Frameworks/Tk.framework/Headers/tk-private"
end
mkdir "build" do
if build.with?("python") && build.with?("python@2")
# VTK Does not support building both python 2 and 3 versions
odie "VTK: Does not support building both python 2 and 3 wrappers"
elsif build.with?("python") || build.with?("python@2")
python_executable = `which python3`.strip if build.with? "python"
python_executable = `which python2.7`.strip if build.with? "python@2"
python_prefix = `#{python_executable} -c 'import sys;print(sys.prefix)'`.chomp
python_include = `#{python_executable} -c 'from distutils import sysconfig;print(sysconfig.get_python_inc(True))'`.chomp
python_version = "python" + `#{python_executable} -c 'import sys;print(sys.version[:3])'`.chomp
py_site_packages = "#{lib}/#{python_version}/site-packages"
args << "-DVTK_WRAP_PYTHON=ON"
args << "-DPYTHON_EXECUTABLE='#{python_executable}'"
args << "-DPYTHON_INCLUDE_DIR='#{python_include}'"
# CMake picks up the system's python dylib, even if we have a brewed one.
if File.exist? "#{python_prefix}/Python"
args << "-DPYTHON_LIBRARY='#{python_prefix}/Python'"
elsif File.exist? "#{python_prefix}/lib/lib#{python_version}.a"
args << "-DPYTHON_LIBRARY='#{python_prefix}/lib/lib#{python_version}.a'"
elsif File.exist? "#{python_prefix}/lib/lib#{python_version}.dylib"
args << "-DPYTHON_LIBRARY='#{python_prefix}/lib/lib#{python_version}.dylib'"
else
odie "No libpythonX.Y.{dylib|a} file found!"
end
# Set the prefix for the python bindings to the Cellar
args << "-DVTK_INSTALL_PYTHON_MODULE_DIR='#{py_site_packages}/'"
end
if build.with? "qt"
args << "-DVTK_QT_VERSION:STRING=5" << "-DVTK_Group_Qt=ON"
args << "-DVTK_WRAP_PYTHON_SIP=ON"
args << "-DSIP_PYQT_DIR='#{Formula["pyqt5"].opt_share}/sip'"
end
system "cmake", "..", *args
system "make"
system "make", "install"
end
end
def caveats; <<~EOS
Even without the --with-qt option, you can display native VTK render windows
from python. Alternatively, you can integrate the RenderWindowInteractor
in PyQt5, Tk or Wx at runtime. Read more:
import vtk.qt5; help(vtk.qt5) or import vtk.wx; help(vtk.wx)
EOS
end
test do
vtk_include = Dir[opt_include/"vtk-*"].first
major, minor = vtk_include.match(/.*-(.*)$/)[1].split(".")
(testpath/"version.cpp").write <<~EOS
#include <vtkVersion.h>
#include <assert.h>
int main(int, char *[]) {
assert (vtkVersion::GetVTKMajorVersion()==#{major});
assert (vtkVersion::GetVTKMinorVersion()==#{minor});
return EXIT_SUCCESS;
}
EOS
system ENV.cxx, "-std=c++11", "version.cpp", "-I#{vtk_include}"
system "./a.out"
system "#{bin}/vtkpython", "-c", "exit()"
end
end