Start on web build

.travis.yml

@@ -1,9 +1,13 @@
 language: c
 
+before_install:
+  - chmod +x web/install_emsdk.sh web/build.sh
+
 install:
   - sudo apt-get update
   - sudo apt-get install -y make m4 gcc g++ autoconf autoconf-archive pkg-config libtool  # link-grammar required dependencies
   - sudo apt-get install -y swig flex ant graphviz  # link-grammar optional dependencies
+  - sudo ./web/install_emsdk.sh
 
 script:
   - ./autogen.sh
@@ -14,6 +18,7 @@ script:
   - sudo ldconfig
   - make installcheck
   - echo "The needs of the many outweigh the needs of the few." | /usr/local/bin/link-parser
+  - sudo ./web/build.sh
 
 notifications:
   email: false

web/build.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -ex
+pushd "$(dirname "$0")"
+
+pushd emsdk
+source ./emsdk_env.sh
+popd
+
+pushd ..
+emconfigure configure --disable-sat-solver --disable-java-bindings --disable-python-bindings
+emmake make
+emcc -O3 /usr/local/lib/liblink-grammar.so -o liblink-grammar.js
+cat liblink-grammar.js
+popd
+
+# file PATHTO/.libs/link-parser # result: LLVM IR bitcode
+# mv link-parser link-parser.bc
+# emcc -O3 link-parser.bc PATHTO/liblink-grammar.so -o link-parser.js
+# emcc -O3 link-parser.bc PATHTO/liblink-grammar.so -o link-parser.html
+
+popd

web/install_emsdk.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+set -ex
+
+pushd "$(dirname "$0")"
+
+git clone https://github.com/emscripten-core/emsdk.git
+pushd emsdk
+git pull
+./emsdk install 1.38.34
+./emsdk activate 1.38.34
+popd
+
+popd

web/uninstall_emsdk.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -ex
+
+rm -rf emsdk