also test 32 bit builds

.travis.yml

@@ -21,3 +21,16 @@ script:
  - npm install --build-from-source --sqlite=/usr
  - ldd lib/binding/*/*/*node
  - npm test
+ - make clean
+ - export NVER=`node -v`
+ - export PATH=$(pwd)/node-${NVER}-linux-x86/bin:$PATH
+ - if [[ "$NVER" != v0.6* ]]; then wget http://nodejs.org/dist/${NVER}/node-${NVER}-linux-x86.tar.gz; fi
+ - if [[ "$NVER" != v0.6* ]]; then tar xf node-${NVER}-linux-x86.tar.gz; fi
+ - if [[ "$NVER" != v0.6* ]]; then npm install --target_arch=ia32; fi
+ - if [[ "$NVER" != v0.6* ]]; then ldd lib/binding/*/*/*node; fi
+ - if [[ "$NVER" != v0.6* ]]; then npm test; fi
+ - if [[ "$NVER" != v0.6* ]]; then make clean; fi
+ - if [[ "$NVER" != v0.6* ]]; then sudo apt-get -y install sqlite3:i386 binutils:i386 cpp:i386 gcc-4.6:i386 g++-4.6:i386 libstdc++6-4.6-dev:i386 | true; fi
+ - if [[ "$NVER" != v0.6* ]]; then CC=gcc-4.6 CXX=g++-4.6 npm install --target_arch=ia32 --sqlite=/usr; fi
+ - if [[ "$NVER" != v0.6* ]]; then ldd lib/binding/*/*/*node; fi
+ - if [[ "$NVER" != v0.6* ]]; then npm test; fi
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