1 files changed, 88 insertions, 0 deletions
diff --git a/ext/lazar/extconf.rb b/ext/lazar/extconf.rb
new file mode 100644
index 0000000..f466afb
--- /dev/null
+++ b/ext/lazar/extconf.rb
@@ -0,0 +1,88 @@
+require 'fileutils'
+require 'rbconfig'
+
+main_dir = File.expand_path(File.join(File.dirname(__FILE__),"..",".."))
+
+# install OpenBabel
+
+
+openbabel_version = "2.3.2"
+
+openbabel_dir = File.join main_dir, "openbabel"
+src_dir = openbabel_dir #File.join openbabel_dir, "openbabel-#{openbabel_version}"
+build_dir = File.join src_dir, "build"
+install_dir = openbabel_dir 
+install_lib_dir = File.join install_dir, "lib"
+lib_dir = File.join openbabel_dir, "lib", "openbabel"
+ruby_src_dir = File.join src_dir, "scripts", "ruby"
+
+begin
+  nr_processors = `grep processor /proc/cpuinfo | wc -l` # speed up compilation, Linux only
+rescue
+  nr_processors = 1
+end
+
+FileUtils.mkdir_p openbabel_dir
+Dir.chdir main_dir do
+  FileUtils.rm_rf src_dir
+  puts "Downloading OpenBabel sources"
+  system "git clone https://github.com/openbabel/openbabel.git"
+end
+
+FileUtils.mkdir_p build_dir
+FileUtils.mkdir_p install_dir
+Dir.chdir build_dir do
+  puts "Configuring OpenBabel"
+  cmake = "cmake #{src_dir} -DCMAKE_INSTALL_PREFIX=#{install_dir} -DBUILD_GUI=OFF -DENABLE_TESTS=OFF -DRUN_SWIG=ON -DRUBY_BINDINGS=ON"
+  # set rpath for local installations
+  # http://www.cmake.org/Wiki/CMake_RPATH_handling
+  # http://vtk.1045678.n5.nabble.com/How-to-force-cmake-not-to-remove-install-rpath-td5721193.html
+  cmake += " -DCMAKE_INSTALL_RPATH:STRING=\"#{install_lib_dir}\"" 
+  system cmake
+end
+
+# local installation in gem directory
+Dir.chdir build_dir do
+  puts "Compiling OpenBabel sources."
+  system "make -j#{nr_processors}"
+  system "make install"
+  ENV["PKG_CONFIG_PATH"] = File.dirname(File.expand_path(Dir["#{install_dir}/**/openbabel*pc"].first))
+end
+
+ob_include= File.expand_path File.join(File.dirname(__FILE__),"../../openbabel/include/openbabel-2.0")
+ob_lib= File.expand_path File.join(File.dirname(__FILE__),"../../openbabel/lib")
+
+# compile ruby bindings
+=begin
+puts "Compiling and installing OpenBabel Ruby bindings."
+Dir.chdir ruby_src_dir do
+  # fix rpath
+  system "sed -i 's|with_ldflags.*$|with_ldflags(\"#\$LDFLAGS -dynamic -Wl,-rpath,#{install_lib_dir}\") do|' #{File.join(ruby_src_dir,'extconf.rb')}"
+  system "#{RbConfig.ruby} extconf.rb --with-openbabel-include=#{ob_include} --with-openbabel-lib=#{ob_lib}"
+  system "make -j#{nr_processors}"
+end
+=end
+
+# install fminer
+fminer_dir = File.join main_dir, "libfminer"
+system "git clone git://github.com/amaunz/fminer2.git #{fminer_dir}"
+
+["libbbrc","liblast"].each do |lib|
+  FileUtils.cd File.join(fminer_dir,lib)
+  system "sed -i 's,^INCLUDE_OB.*,INCLUDE_OB\ =\ #{ob_include},g' Makefile" 
+  system "sed -i 's,^LDFLAGS_OB.*,LDFLAGS_OB\ =\ #{ob_lib},g' Makefile"
+  system "sed -i 's,^INCLUDE_RB.*,INCLUDE_RB\ =\ #{RbConfig::CONFIG['rubyhdrdir']},g' Makefile" 
+  # TODO fix in fminer Makefile
+  system "sed -i 's,-g, -g -I #{RbConfig::CONFIG['rubyhdrdir']} -I #{RbConfig::CONFIG['rubyarchhdrdir']} -I,' Makefile" # fix include path (CH)
+  system "sed -i '74s/$(CC)/$(CC) -Wl,-rpath,#{ob_lib.gsub('/','\/')} -L/' Makefile" # fix library path (CH)
+  system "make ruby"
+end
+
+# install last-utils
+FileUtils.cd main_dir
+system "git clone git://github.com/amaunz/last-utils.git"
+FileUtils.cd File.join(main_dir,"last-utils")
+`sed -i '8s/"openbabel", //' lu.rb`
+
+# install R packagemain_dir
+$makefile_created = true