[libreoffice] move build script into libreoffice git (#443)

to make it easier to keep it in sync with what it builds

projects/libreoffice/build.sh

@@ -1,28 +1,3 @@
 #!/bin/bash -eu
 
-#shuffle CXXFLAGS -stdlib=libc++ arg into CXX as well because we use
-#the CXX as the linker and need to pass -stdlib=libc++ to build
-export CXX="$CXX -stdlib=libc++"
-#similarly force the -fsanitize etc args in as well as pthread to get
-#things to link successfully during the build
-export LDFLAGS="$CFLAGS -lpthread"
-
-cd $WORK
-$SRC/libreoffice/autogen.sh --with-distro=LibreOfficeOssFuzz --with-external-tar=$SRC
-
-#build-time rsc tool leaks a titch
-export ASAN_OPTIONS="detect_leaks=0"
-
-make fuzzers
-
-#some minimal fonts required
-cp $SRC/libreoffice/extras/source/truetype/symbol/opens___.ttf instdir/share/fonts/truetype/Liberation* $OUT
-#minimal runtime requirements
-rm -rf $OUT/services $OUT/types $OUT/resource $OUT/*rdb
-pushd instdir/program
-cp -r *fuzzer *rc *rdb services types resource $OUT
-mv $OUT/services/services.rdb $OUT/services.rdb
-popd
-
-#starting corpuses
-cp $SRC/*_seed_corpus.zip $OUT
+$SRC/libreoffice/bin/oss-fuzz-build.sh