Port pyodide to slapos

component/pyodide/buildout.cfg

+[buildout]
+extends =
+  ../python3/buildout.cfg
+  ../git/buildout.cfg
+  ../ccache/buildout.cfg
+  ../nodejs/buildout.cfg
+  ../python-PyYAML/buildout.cfg
+  ../cmake/buildout.cfg
+
+parts =
+  pyodide
+  nodejs
+  npm
+
+[node-less]
+recipe = slapos.recipe.build:npm
+packages = less
+node = nodejs
+environment =
+  PATH=${nodejs:location}/bin:%(PATH)s
+
+[node-uglify-js]
+recipe = slapos.recipe.build:npm
+packages = uglify-js
+node = nodejs
+environment =
+  PATH=${nodejs:location}/bin:%(PATH)s
+
+[pyodide-src]
+recipe = slapos.recipe.build:gitclone
+git-executable = ${git:location}/bin/git
+repository = https://github.com/iodide-project/pyodide.git
+location = ${buildout:parts-directory}/${:_buildout_section_name_}
+branch = master
+
+[pyodide-build-interpreter]
+recipe = zc.recipe.egg
+eggs =
+  setuptools
+  ${python-PyYAML:egg}
+interpreter = ${python3.7.2:executable}
+location = ${buildout:parts-directory}/${:_buildout_section_name_}
+
+[pyodide]
+recipe = slapos.recipe.cmmi
+path = ${pyodide-src:location}
+environment =
+  PATH=${cmake:location}/bin:${ccache:location}/bin:${gcc:location}/bin:${node-less:location}/node_modules/.bin:${node-uglify-js:location}/node_modules/.bin:%(PATH)s
+  CC=${gcc:location}/bin/gcc
+  CXX=${gcc:location}/bin/g++
+  LD_LIBRARY_PATH=${gcc:location}/lib:${gcc:location}/lib64
+make-options = -e
+configure-command = alias python=${pyodide-build-interpreter:interpreter} && echo $PATH
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