Merge pull request ethereum#7917 from ethereum/solc-backwards-compat

Add backwards compatibility to the generated soljson.js for solc-js <0.5.14

scripts/travis-emscripten/build_emscripten.sh

@@ -94,6 +94,9 @@ make -j 4
 
 cd ..
 mkdir -p upload
+# Patch soljson.js to provide backwards-compatibility with older emscripten versions
+# TODO: remove in 0.6.0!
+echo -n ";/* backwards compatibility */ Module['Runtime'] = Module; Module['Pointer_stringify'] = Module['UTF8ToString'];" >> $BUILD_DIR/libsolc/soljson.js
 cp $BUILD_DIR/libsolc/soljson.js upload/
 cp $BUILD_DIR/libsolc/soljson.js ./
 

test/externalTests/common.sh

@@ -37,7 +37,7 @@ function setup_solcjs
 
     cd "$dir"
     printLog "Setting up solc-js..."
-    git clone --depth 1 -b master https://github.com/ethereum/solc-js.git solc
+    git clone --depth 1 -b v0.5.0 https://github.com/ethereum/solc-js.git solc
 
     cd solc
     npm install
@@ -107,7 +107,7 @@ function force_solc_truffle_modules
         if [ -d "$d" ]; then
             cd $d
             rm -rf solc
-            git clone --depth 1 -b master https://github.com/ethereum/solc-js.git solc
+            git clone --depth 1 -b v0.5.0 https://github.com/ethereum/solc-js.git solc
             cp "$1" solc/soljson.js
         fi
     )

test/solcjsTests.sh

@@ -40,7 +40,7 @@ VERSION="$2"
 DIR=$(mktemp -d)
 (
     echo "Preparing solc-js (master)..."
-    git clone --depth 1 --branch master https://github.com/ethereum/solc-js "$DIR"
+    git clone --depth 1 --branch v0.5.0 https://github.com/ethereum/solc-js "$DIR"
     cd "$DIR"
     # disable "prepublish" script which downloads the latest version
     # (we will replace it anyway and it is often incorrectly cached